Mercurial > sdl-ios-xcode
annotate ltconfig @ 369:e405cf8bf580
*** empty log message ***
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Sun, 19 May 2002 19:52:32 +0000 |
| parents | 716ab2549f78 |
| children | 469d5c0da01d |
| rev | line source |
|---|---|
| 0 | 1 #! /bin/sh |
| 2 | |
| 3 # ltconfig - Create a system-specific libtool. | |
| 4 # Copyright (C) 1996-1999 Free Software Foundation, Inc. | |
| 5 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 | |
| 6 # | |
| 7 # This file is free software; you can redistribute it and/or modify it | |
| 8 # under the terms of the GNU General Public License as published by | |
| 9 # the Free Software Foundation; either version 2 of the License, or | |
| 10 # (at your option) any later version. | |
| 11 # | |
| 12 # This program is distributed in the hope that it will be useful, but | |
| 13 # WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 15 # General Public License for more details. | |
| 16 # | |
| 17 # You should have received a copy of the GNU General Public License | |
| 18 # along with this program; if not, write to the Free Software | |
| 19 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 20 # | |
| 21 # As a special exception to the GNU General Public License, if you | |
| 22 # distribute this file as part of a program that contains a | |
| 23 # configuration script generated by Autoconf, you may include it under | |
| 24 # the same distribution terms that you use for the rest of that program. | |
| 25 | |
| 26 # A lot of this script is taken from autoconf-2.10. | |
| 27 | |
| 28 # Check that we are running under the correct shell. | |
| 29 SHELL=${CONFIG_SHELL-/bin/sh} | |
| 30 echo=echo | |
| 31 if test "X$1" = X--no-reexec; then | |
| 32 # Discard the --no-reexec flag, and continue. | |
| 33 shift | |
| 34 elif test "X$1" = X--fallback-echo; then | |
| 35 # Avoid inline document here, it may be left over | |
| 36 : | |
| 37 elif test "X`($echo '\t') 2>/dev/null`" = 'X\t'; then | |
| 38 # Yippee, $echo works! | |
| 39 : | |
| 40 else | |
| 41 # Restart under the correct shell. | |
| 42 exec "$SHELL" "$0" --no-reexec ${1+"$@"} | |
| 43 fi | |
| 44 | |
| 45 if test "X$1" = X--fallback-echo; then | |
| 46 # used as fallback echo | |
| 47 shift | |
| 48 cat <<EOF | |
| 49 $* | |
| 50 EOF | |
| 51 exit 0 | |
| 52 fi | |
| 53 | |
| 54 # Find the correct PATH separator. Usually this is `:', but | |
| 55 # DJGPP uses `;' like DOS. | |
| 56 if test "X${PATH_SEPARATOR+set}" != Xset; then | |
| 57 UNAME=${UNAME-`uname 2>/dev/null`} | |
| 58 case X$UNAME in | |
| 59 *-DOS) PATH_SEPARATOR=';' ;; | |
| 60 *) PATH_SEPARATOR=':' ;; | |
| 61 esac | |
| 62 fi | |
| 63 | |
| 64 # The HP-UX ksh and POSIX shell print the target directory to stdout | |
| 65 # if CDPATH is set. | |
| 66 if test "X${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi | |
| 67 | |
| 68 if test "X${echo_test_string+set}" != Xset; then | |
| 69 # find a string as large as possible, as long as the shell can cope with it | |
| 70 for cmd in 'sed 50q "$0"' 'sed 20q "$0"' 'sed 10q "$0"' 'sed 2q "$0"' 'echo test'; do | |
| 71 # expected sizes: less than 2Kb, 1Kb, 512 bytes, 16 bytes, ... | |
| 72 if (echo_test_string="`eval $cmd`") 2>/dev/null && | |
| 73 echo_test_string="`eval $cmd`" && | |
| 74 (test "X$echo_test_string" = "X$echo_test_string") 2>/dev/null; then | |
| 75 break | |
| 76 fi | |
| 77 done | |
| 78 fi | |
| 79 | |
| 80 if test "X`($echo '\t') 2>/dev/null`" != 'X\t' || | |
| 81 test "X`($echo "$echo_test_string") 2>/dev/null`" != X"$echo_test_string"; then | |
| 82 # The Solaris, AIX, and Digital Unix default echo programs unquote | |
| 83 # backslashes. This makes it impossible to quote backslashes using | |
| 84 # echo "$something" | sed 's/\\/\\\\/g' | |
| 85 # | |
| 86 # So, first we look for a working echo in the user's PATH. | |
| 87 | |
| 88 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" | |
| 89 for dir in $PATH /usr/ucb; do | |
| 90 if (test -f $dir/echo || test -f $dir/echo$ac_exeext) && | |
| 91 test "X`($dir/echo '\t') 2>/dev/null`" = 'X\t' && | |
| 92 test "X`($dir/echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then | |
| 93 echo="$dir/echo" | |
| 94 break | |
| 95 fi | |
| 96 done | |
| 97 IFS="$save_ifs" | |
| 98 | |
| 99 if test "X$echo" = Xecho; then | |
| 100 # We didn't find a better echo, so look for alternatives. | |
| 101 if test "X`(print -r '\t') 2>/dev/null`" = 'X\t' && | |
| 102 test "X`(print -r "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then | |
| 103 # This shell has a builtin print -r that does the trick. | |
| 104 echo='print -r' | |
| 105 elif (test -f /bin/ksh || test -f /bin/ksh$ac_exeext) && | |
| 106 test "X$CONFIG_SHELL" != X/bin/ksh; then | |
| 107 # If we have ksh, try running ltconfig again with it. | |
| 108 ORIGINAL_CONFIG_SHELL="${CONFIG_SHELL-/bin/sh}" | |
| 109 export ORIGINAL_CONFIG_SHELL | |
| 110 CONFIG_SHELL=/bin/ksh | |
| 111 export CONFIG_SHELL | |
| 112 exec "$CONFIG_SHELL" "$0" --no-reexec ${1+"$@"} | |
| 113 else | |
| 114 # Try using printf. | |
| 115 echo='printf "%s\n"' | |
| 116 if test "X`($echo '\t') 2>/dev/null`" = 'X\t' && | |
| 117 test "X`($echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then | |
| 118 # Cool, printf works | |
| 119 : | |
| 120 elif test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' && | |
| 121 test "X`("$ORIGINAL_CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then | |
| 122 CONFIG_SHELL="$ORIGINAL_CONFIG_SHELL" | |
| 123 export CONFIG_SHELL | |
| 124 SHELL="$CONFIG_SHELL" | |
| 125 export SHELL | |
| 126 echo="$CONFIG_SHELL $0 --fallback-echo" | |
| 127 elif test "X`("$CONFIG_SHELL" "$0" --fallback-echo '\t') 2>/dev/null`" = 'X\t' && | |
| 128 test "X`("$CONFIG_SHELL" "$0" --fallback-echo "$echo_test_string") 2>/dev/null`" = X"$echo_test_string"; then | |
| 129 echo="$CONFIG_SHELL $0 --fallback-echo" | |
| 130 else | |
| 131 # maybe with a smaller string... | |
| 132 prev=: | |
| 133 | |
| 134 for cmd in 'echo test' 'sed 2q "$0"' 'sed 10q "$0"' 'sed 20q "$0"' 'sed 50q "$0"'; do | |
| 135 if (test "X$echo_test_string" = "X`eval $cmd`") 2>/dev/null; then | |
| 136 break | |
| 137 fi | |
| 138 prev="$cmd" | |
| 139 done | |
| 140 | |
| 141 if test "$prev" != 'sed 50q "$0"'; then | |
| 142 echo_test_string=`eval $prev` | |
| 143 export echo_test_string | |
| 144 exec "${ORIGINAL_CONFIG_SHELL}" "$0" ${1+"$@"} | |
| 145 else | |
| 146 # Oops. We lost completely, so just stick with echo. | |
| 147 echo=echo | |
| 148 fi | |
| 149 fi | |
| 150 fi | |
| 151 fi | |
| 152 fi | |
| 153 | |
| 154 # Sed substitution that helps us do robust quoting. It backslashifies | |
| 155 # metacharacters that are still active within double-quoted strings. | |
| 156 Xsed='sed -e s/^X//' | |
| 157 sed_quote_subst='s/\([\\"\\`$\\\\]\)/\\\1/g' | |
| 158 | |
| 159 # Same as above, but do not quote variable references. | |
| 160 double_quote_subst='s/\([\\"\\`\\\\]\)/\\\1/g' | |
| 161 | |
| 162 # Sed substitution to delay expansion of an escaped shell variable in a | |
| 163 # double_quote_subst'ed string. | |
| 164 delay_variable_subst='s/\\\\\\\\\\\$/\\\\\\$/g' | |
| 165 | |
| 166 # The name of this program. | |
| 167 progname=`$echo "X$0" | $Xsed -e 's%^.*/%%'` | |
| 168 | |
| 169 # Constants: | |
| 170 PROGRAM=ltconfig | |
| 171 PACKAGE=libtool | |
| 172 VERSION=1.3.5 | |
| 173 TIMESTAMP=" (1.385.2.206 2000/05/27 11:12:27)" | |
| 174 ac_compile='${CC-cc} -c $CFLAGS $CPPFLAGS conftest.$ac_ext 1>&5' | |
| 175 ac_link='${CC-cc} -o conftest $CFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS 1>&5' | |
| 176 rm="rm -f" | |
| 177 | |
| 178 help="Try \`$progname --help' for more information." | |
| 179 | |
| 180 # Global variables: | |
| 181 default_ofile=libtool | |
| 182 can_build_shared=yes | |
| 183 enable_shared=yes | |
| 184 # All known linkers require a `.a' archive for static linking (except M$VC, | |
| 185 # which needs '.lib'). | |
| 186 enable_static=yes | |
| 187 enable_fast_install=yes | |
| 188 enable_dlopen=unknown | |
| 189 enable_win32_dll=no | |
| 190 ltmain= | |
| 191 silent= | |
| 192 srcdir= | |
| 193 ac_config_guess= | |
| 194 ac_config_sub= | |
| 195 host= | |
| 196 nonopt= | |
| 197 ofile="$default_ofile" | |
| 198 verify_host=yes | |
| 199 with_gcc=no | |
| 200 with_gnu_ld=no | |
| 201 need_locks=yes | |
| 202 ac_ext=c | |
| 203 objext=o | |
| 204 libext=a | |
| 205 exeext= | |
| 206 cache_file= | |
| 207 | |
| 208 old_AR="$AR" | |
| 209 old_CC="$CC" | |
| 210 old_CFLAGS="$CFLAGS" | |
| 211 old_CPPFLAGS="$CPPFLAGS" | |
| 212 old_LDFLAGS="$LDFLAGS" | |
| 213 old_LD="$LD" | |
| 214 old_LN_S="$LN_S" | |
| 215 old_LIBS="$LIBS" | |
| 216 old_NM="$NM" | |
| 217 old_RANLIB="$RANLIB" | |
| 218 old_DLLTOOL="$DLLTOOL" | |
| 219 old_OBJDUMP="$OBJDUMP" | |
| 220 old_AS="$AS" | |
| 221 | |
| 222 # Parse the command line options. | |
| 223 args= | |
| 224 prev= | |
| 225 for option | |
| 226 do | |
| 227 case "$option" in | |
| 228 -*=*) optarg=`echo "$option" | sed 's/[-_a-zA-Z0-9]*=//'` ;; | |
| 229 *) optarg= ;; | |
| 230 esac | |
| 231 | |
| 232 # If the previous option needs an argument, assign it. | |
| 233 if test -n "$prev"; then | |
| 234 eval "$prev=\$option" | |
| 235 prev= | |
| 236 continue | |
| 237 fi | |
| 238 | |
| 239 case "$option" in | |
| 240 --help) cat <<EOM | |
| 241 Usage: $progname [OPTION]... [HOST [LTMAIN]] | |
| 242 | |
| 243 Generate a system-specific libtool script. | |
| 244 | |
| 245 --debug enable verbose shell tracing | |
| 246 --disable-shared do not build shared libraries | |
| 247 --disable-static do not build static libraries | |
| 248 --disable-fast-install do not optimize for fast installation | |
| 249 --enable-dlopen enable dlopen support | |
| 250 --enable-win32-dll enable building dlls on win32 hosts | |
| 251 --help display this help and exit | |
| 252 --no-verify do not verify that HOST is a valid host type | |
| 253 -o, --output=FILE specify the output file [default=$default_ofile] | |
| 254 --quiet same as \`--silent' | |
| 255 --silent do not print informational messages | |
| 256 --srcdir=DIR find \`config.guess' in DIR | |
| 257 --version output version information and exit | |
| 258 --with-gcc assume that the GNU C compiler will be used | |
| 259 --with-gnu-ld assume that the C compiler uses the GNU linker | |
| 260 --disable-lock disable file locking | |
| 261 --cache-file=FILE configure cache file | |
| 262 | |
| 263 LTMAIN is the \`ltmain.sh' shell script fragment or \`ltmain.c' program | |
| 264 that provides basic libtool functionality. | |
| 265 | |
| 266 HOST is the canonical host system name [default=guessed]. | |
| 267 EOM | |
| 268 exit 0 | |
| 269 ;; | |
| 270 | |
| 271 --debug) | |
| 272 echo "$progname: enabling shell trace mode" | |
| 273 set -x | |
| 274 ;; | |
| 275 | |
| 276 --disable-shared) enable_shared=no ;; | |
| 277 | |
| 278 --disable-static) enable_static=no ;; | |
| 279 | |
| 280 --disable-fast-install) enable_fast_install=no ;; | |
| 281 | |
| 282 --enable-dlopen) enable_dlopen=yes ;; | |
| 283 | |
| 284 --enable-win32-dll) enable_win32_dll=yes ;; | |
| 285 | |
| 286 --quiet | --silent) silent=yes ;; | |
| 287 | |
| 288 --srcdir) prev=srcdir ;; | |
| 289 --srcdir=*) srcdir="$optarg" ;; | |
| 290 | |
| 291 --no-verify) verify_host=no ;; | |
| 292 | |
| 293 --output | -o) prev=ofile ;; | |
| 294 --output=*) ofile="$optarg" ;; | |
| 295 | |
| 296 --version) echo "$PROGRAM (GNU $PACKAGE) $VERSION$TIMESTAMP"; exit 0 ;; | |
| 297 | |
| 298 --with-gcc) with_gcc=yes ;; | |
| 299 --with-gnu-ld) with_gnu_ld=yes ;; | |
| 300 | |
| 301 --disable-lock) need_locks=no ;; | |
| 302 | |
| 303 --cache-file=*) cache_file="$optarg" ;; | |
| 304 | |
| 305 -*) | |
| 306 echo "$progname: unrecognized option \`$option'" 1>&2 | |
| 307 echo "$help" 1>&2 | |
| 308 exit 1 | |
| 309 ;; | |
| 310 | |
| 311 *) | |
| 312 if test -z "$ltmain"; then | |
| 313 ltmain="$option" | |
| 314 elif test -z "$host"; then | |
| 315 # This generates an unnecessary warning for sparc-sun-solaris4.1.3_U1 | |
| 316 # if test -n "`echo $option| sed 's/[-a-z0-9.]//g'`"; then | |
| 317 # echo "$progname: warning \`$option' is not a valid host type" 1>&2 | |
| 318 # fi | |
| 319 host="$option" | |
| 320 else | |
| 321 echo "$progname: too many arguments" 1>&2 | |
| 322 echo "$help" 1>&2 | |
| 323 exit 1 | |
| 324 fi ;; | |
| 325 esac | |
| 326 done | |
| 327 | |
| 328 if test -z "$ltmain"; then | |
| 329 echo "$progname: you must specify a LTMAIN file" 1>&2 | |
| 330 echo "$help" 1>&2 | |
| 331 exit 1 | |
| 332 fi | |
| 333 | |
| 334 if test ! -f "$ltmain"; then | |
| 335 echo "$progname: \`$ltmain' does not exist" 1>&2 | |
| 336 echo "$help" 1>&2 | |
| 337 exit 1 | |
| 338 fi | |
| 339 | |
| 340 # Quote any args containing shell metacharacters. | |
| 341 ltconfig_args= | |
| 342 for arg | |
| 343 do | |
| 344 case "$arg" in | |
| 345 *" "*|*" "*|*[\[\]\~\#\$\^\&\*\(\)\{\}\\\|\;\<\>\?]*) | |
| 346 ltconfig_args="$ltconfig_args '$arg'" ;; | |
| 347 *) ltconfig_args="$ltconfig_args $arg" ;; | |
| 348 esac | |
| 349 done | |
| 350 | |
| 351 # A relevant subset of AC_INIT. | |
| 352 | |
| 353 # File descriptor usage: | |
| 354 # 0 standard input | |
| 355 # 1 file creation | |
| 356 # 2 errors and warnings | |
| 357 # 3 some systems may open it to /dev/tty | |
| 358 # 4 used on the Kubota Titan | |
| 359 # 5 compiler messages saved in config.log | |
| 360 # 6 checking for... messages and results | |
| 361 if test "$silent" = yes; then | |
| 362 exec 6>/dev/null | |
| 363 else | |
| 364 exec 6>&1 | |
| 365 fi | |
| 366 exec 5>>./config.log | |
| 367 | |
| 368 # NLS nuisances. | |
| 369 # Only set LANG and LC_ALL to C if already set. | |
| 370 # These must not be set unconditionally because not all systems understand | |
| 371 # e.g. LANG=C (notably SCO). | |
| 372 if test "X${LC_ALL+set}" = Xset; then LC_ALL=C; export LC_ALL; fi | |
| 373 if test "X${LANG+set}" = Xset; then LANG=C; export LANG; fi | |
| 374 | |
| 375 if test -n "$cache_file" && test -r "$cache_file"; then | |
| 376 echo "loading cache $cache_file within ltconfig" | |
| 377 . $cache_file | |
| 378 fi | |
| 379 | |
| 380 if (echo "testing\c"; echo 1,2,3) | grep c >/dev/null; then | |
| 381 # Stardent Vistra SVR4 grep lacks -e, says ghazi@caip.rutgers.edu. | |
| 382 if (echo -n testing; echo 1,2,3) | sed s/-n/xn/ | grep xn >/dev/null; then | |
| 383 ac_n= ac_c=' | |
| 384 ' ac_t=' ' | |
| 385 else | |
| 386 ac_n=-n ac_c= ac_t= | |
| 387 fi | |
| 388 else | |
| 389 ac_n= ac_c='\c' ac_t= | |
| 390 fi | |
| 391 | |
| 392 if test -z "$srcdir"; then | |
| 393 # Assume the source directory is the same one as the path to LTMAIN. | |
| 394 srcdir=`$echo "X$ltmain" | $Xsed -e 's%/[^/]*$%%'` | |
| 395 test "$srcdir" = "$ltmain" && srcdir=. | |
| 396 fi | |
| 397 | |
| 398 trap "$rm conftest*; exit 1" 1 2 15 | |
| 399 if test "$verify_host" = yes; then | |
| 400 # Check for config.guess and config.sub. | |
| 401 ac_aux_dir= | |
| 402 for ac_dir in $srcdir $srcdir/.. $srcdir/../..; do | |
| 403 if test -f $ac_dir/config.guess; then | |
| 404 ac_aux_dir=$ac_dir | |
| 405 break | |
| 406 fi | |
| 407 done | |
| 408 if test -z "$ac_aux_dir"; then | |
| 409 echo "$progname: cannot find config.guess in $srcdir $srcdir/.. $srcdir/../.." 1>&2 | |
| 410 echo "$help" 1>&2 | |
| 411 exit 1 | |
| 412 fi | |
| 413 ac_config_guess=$ac_aux_dir/config.guess | |
| 414 ac_config_sub=$ac_aux_dir/config.sub | |
| 415 | |
| 416 # Make sure we can run config.sub. | |
| 417 if $SHELL $ac_config_sub sun4 >/dev/null 2>&1; then : | |
| 418 else | |
| 419 echo "$progname: cannot run $ac_config_sub" 1>&2 | |
| 420 echo "$help" 1>&2 | |
| 421 exit 1 | |
| 422 fi | |
| 423 | |
| 424 echo $ac_n "checking host system type""... $ac_c" 1>&6 | |
| 425 | |
| 426 host_alias=$host | |
| 427 case "$host_alias" in | |
| 428 "") | |
| 429 if host_alias=`$SHELL $ac_config_guess`; then : | |
| 430 else | |
| 431 echo "$progname: cannot guess host type; you must specify one" 1>&2 | |
| 432 echo "$help" 1>&2 | |
| 433 exit 1 | |
| 434 fi ;; | |
| 435 esac | |
| 436 host=`$SHELL $ac_config_sub $host_alias` | |
| 437 echo "$ac_t$host" 1>&6 | |
| 438 | |
| 439 # Make sure the host verified. | |
| 440 test -z "$host" && exit 1 | |
| 441 | |
| 442 elif test -z "$host"; then | |
| 443 echo "$progname: you must specify a host type if you use \`--no-verify'" 1>&2 | |
| 444 echo "$help" 1>&2 | |
| 445 exit 1 | |
| 446 else | |
| 447 host_alias=$host | |
| 448 fi | |
| 449 | |
| 450 # Transform linux* to *-*-linux-gnu*, to support old configure scripts. | |
| 451 case "$host_os" in | |
| 452 linux-gnu*) ;; | |
| 453 linux*) host=`echo $host | sed 's/^\(.*-.*-linux\)\(.*\)$/\1-gnu\2/'` | |
| 454 esac | |
| 455 | |
| 456 host_cpu=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\1/'` | |
| 457 host_vendor=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\2/'` | |
| 458 host_os=`echo $host | sed 's/^\([^-]*\)-\([^-]*\)-\(.*\)$/\3/'` | |
| 459 | |
| 460 case "$host_os" in | |
| 461 aix3*) | |
| 462 # AIX sometimes has problems with the GCC collect2 program. For some | |
| 463 # reason, if we set the COLLECT_NAMES environment variable, the problems | |
| 464 # vanish in a puff of smoke. | |
| 465 if test "X${COLLECT_NAMES+set}" != Xset; then | |
| 466 COLLECT_NAMES= | |
| 467 export COLLECT_NAMES | |
| 468 fi | |
| 469 ;; | |
| 470 esac | |
| 471 | |
| 472 # Determine commands to create old-style static archives. | |
| 473 old_archive_cmds='$AR cru $oldlib$oldobjs' | |
| 474 old_postinstall_cmds='chmod 644 $oldlib' | |
| 475 old_postuninstall_cmds= | |
| 476 | |
| 477 # Set a sane default for `AR'. | |
| 478 test -z "$AR" && AR=ar | |
| 479 | |
| 480 # Set a sane default for `OBJDUMP'. | |
| 481 test -z "$OBJDUMP" && OBJDUMP=objdump | |
| 482 | |
| 483 # If RANLIB is not set, then run the test. | |
| 484 if test "${RANLIB+set}" != "set"; then | |
| 485 result=no | |
| 486 | |
| 487 echo $ac_n "checking for ranlib... $ac_c" 1>&6 | |
| 488 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" | |
| 489 for dir in $PATH; do | |
| 490 test -z "$dir" && dir=. | |
| 491 if test -f $dir/ranlib || test -f $dir/ranlib$ac_exeext; then | |
| 492 RANLIB="ranlib" | |
| 493 result="ranlib" | |
| 494 break | |
| 495 fi | |
| 496 done | |
| 497 IFS="$save_ifs" | |
| 498 | |
| 499 echo "$ac_t$result" 1>&6 | |
| 500 fi | |
| 501 | |
| 502 if test -n "$RANLIB"; then | |
| 503 old_archive_cmds="$old_archive_cmds~\$RANLIB \$oldlib" | |
|
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504 case "$host_os" in |
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505 openbsd*) |
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506 old_postinstall_cmds="\$RANLIB -t \$oldlib~$old_postinstall_cmds" |
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507 ;; |
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508 *) |
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509 old_postinstall_cmds="\$RANLIB \$oldlib~$old_postinstall_cmds" |
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510 ;; |
|
716ab2549f78
*** empty log message ***
Sam Lantinga <slouken@libsdl.org>
parents:
215
diff
changeset
|
511 esac |
| 0 | 512 fi |
| 513 | |
| 514 # Set sane defaults for `DLLTOOL', `OBJDUMP', and `AS', used on cygwin. | |
| 515 test -z "$DLLTOOL" && DLLTOOL=dlltool | |
| 516 test -z "$OBJDUMP" && OBJDUMP=objdump | |
| 517 test -z "$AS" && AS=as | |
| 518 | |
| 519 # Check to see if we are using GCC. | |
| 520 if test "$with_gcc" != yes || test -z "$CC"; then | |
| 521 # If CC is not set, then try to find GCC or a usable CC. | |
| 522 if test -z "$CC"; then | |
| 523 echo $ac_n "checking for gcc... $ac_c" 1>&6 | |
| 524 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" | |
| 525 for dir in $PATH; do | |
| 526 test -z "$dir" && dir=. | |
| 527 if test -f $dir/gcc || test -f $dir/gcc$ac_exeext; then | |
| 528 CC="gcc" | |
| 529 break | |
| 530 fi | |
| 531 done | |
| 532 IFS="$save_ifs" | |
| 533 | |
| 534 if test -n "$CC"; then | |
| 535 echo "$ac_t$CC" 1>&6 | |
| 536 else | |
| 537 echo "$ac_t"no 1>&6 | |
| 538 fi | |
| 539 fi | |
| 540 | |
| 541 # Not "gcc", so try "cc", rejecting "/usr/ucb/cc". | |
| 542 if test -z "$CC"; then | |
| 543 echo $ac_n "checking for cc... $ac_c" 1>&6 | |
| 544 IFS="${IFS= }"; save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" | |
| 545 cc_rejected=no | |
| 546 for dir in $PATH; do | |
| 547 test -z "$dir" && dir=. | |
| 548 if test -f $dir/cc || test -f $dir/cc$ac_exeext; then | |
| 549 if test "$dir/cc" = "/usr/ucb/cc"; then | |
| 550 cc_rejected=yes | |
| 551 continue | |
| 552 fi | |
| 553 CC="cc" | |
| 554 break | |
| 555 fi | |
| 556 done | |
| 557 IFS="$save_ifs" | |
| 558 if test $cc_rejected = yes; then | |
| 559 # We found a bogon in the path, so make sure we never use it. | |
| 560 set dummy $CC | |
| 561 shift | |
| 562 if test $# -gt 0; then | |
| 563 # We chose a different compiler from the bogus one. | |
| 564 # However, it has the same name, so the bogon will be chosen | |
| 565 # first if we set CC to just the name; use the full file name. | |
| 566 shift | |
| 567 set dummy "$dir/cc" "$@" | |
| 568 shift | |
| 569 CC="$@" | |
| 570 fi | |
| 571 fi | |
| 572 | |
| 573 if test -n "$CC"; then | |
| 574 echo "$ac_t$CC" 1>&6 | |
| 575 else | |
| 576 echo "$ac_t"no 1>&6 | |
| 577 fi | |
| 578 | |
| 579 if test -z "$CC"; then | |
| 580 echo "$progname: error: no acceptable cc found in \$PATH" 1>&2 | |
| 581 exit 1 | |
| 582 fi | |
| 583 fi | |
| 584 | |
| 585 # Now see if the compiler is really GCC. | |
| 586 with_gcc=no | |
| 587 echo $ac_n "checking whether we are using GNU C... $ac_c" 1>&6 | |
| 588 echo "$progname:581: checking whether we are using GNU C" >&5 | |
| 589 | |
| 590 $rm conftest.c | |
| 591 cat > conftest.c <<EOF | |
| 592 #ifdef __GNUC__ | |
| 593 yes; | |
| 594 #endif | |
| 595 EOF | |
| 596 if { ac_try='${CC-cc} -E conftest.c'; { (eval echo $progname:589: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; } | egrep yes >/dev/null 2>&1; then | |
| 597 with_gcc=yes | |
| 598 fi | |
| 599 $rm conftest.c | |
| 600 echo "$ac_t$with_gcc" 1>&6 | |
| 601 fi | |
| 602 | |
| 603 # Allow CC to be a program name with arguments. | |
| 604 set dummy $CC | |
| 605 compiler="$2" | |
| 606 | |
| 607 echo $ac_n "checking for object suffix... $ac_c" 1>&6 | |
| 608 $rm conftest* | |
| 609 echo 'int i = 1;' > conftest.c | |
| 610 echo "$progname:603: checking for object suffix" >& 5 | |
| 611 if { (eval echo $progname:604: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; }; then | |
| 612 # Append any warnings to the config.log. | |
| 613 cat conftest.err 1>&5 | |
| 614 | |
| 615 for ac_file in conftest.*; do | |
| 616 case $ac_file in | |
| 617 *.c) ;; | |
| 618 *) objext=`echo $ac_file | sed -e s/conftest.//` ;; | |
| 619 esac | |
| 620 done | |
| 621 else | |
| 622 cat conftest.err 1>&5 | |
| 623 echo "$progname: failed program was:" >&5 | |
| 624 cat conftest.c >&5 | |
| 625 fi | |
| 626 $rm conftest* | |
| 627 echo "$ac_t$objext" 1>&6 | |
| 628 | |
| 629 echo $ac_n "checking for executable suffix... $ac_c" 1>&6 | |
| 630 if eval "test \"`echo '$''{'ac_cv_exeext'+set}'`\" = set"; then | |
| 631 echo $ac_n "(cached) $ac_c" 1>&6 | |
| 632 else | |
| 633 ac_cv_exeext="no" | |
| 634 $rm conftest* | |
| 635 echo 'main () { return 0; }' > conftest.c | |
| 636 echo "$progname:629: checking for executable suffix" >& 5 | |
| 637 if { (eval echo $progname:630: \"$ac_link\") 1>&5; (eval $ac_link) 2>conftest.err; }; then | |
| 638 # Append any warnings to the config.log. | |
| 639 cat conftest.err 1>&5 | |
| 640 | |
| 641 for ac_file in conftest.*; do | |
| 642 case $ac_file in | |
| 643 *.c | *.err | *.$objext ) ;; | |
| 644 *) ac_cv_exeext=.`echo $ac_file | sed -e s/conftest.//` ;; | |
| 645 esac | |
| 646 done | |
| 647 else | |
| 648 cat conftest.err 1>&5 | |
| 649 echo "$progname: failed program was:" >&5 | |
| 650 cat conftest.c >&5 | |
| 651 fi | |
| 652 $rm conftest* | |
| 653 fi | |
| 654 if test "X$ac_cv_exeext" = Xno; then | |
| 655 exeext="" | |
| 656 else | |
| 657 exeext="$ac_cv_exeext" | |
| 658 fi | |
| 659 echo "$ac_t$ac_cv_exeext" 1>&6 | |
| 660 | |
| 661 echo $ac_n "checking for $compiler option to produce PIC... $ac_c" 1>&6 | |
| 662 pic_flag= | |
| 663 special_shlib_compile_flags= | |
| 664 wl= | |
| 665 link_static_flag= | |
| 666 no_builtin_flag= | |
| 667 | |
| 668 if test "$with_gcc" = yes; then | |
| 669 wl='-Wl,' | |
| 670 link_static_flag='-static' | |
| 671 | |
| 672 case "$host_os" in | |
| 673 beos* | irix5* | irix6* | osf3* | osf4* | osf5*) | |
| 674 # PIC is the default for these OSes. | |
| 675 ;; | |
| 676 aix*) | |
| 677 # Below there is a dirty hack to force normal static linking with -ldl | |
| 678 # The problem is because libdl dynamically linked with both libc and | |
| 679 # libC (AIX C++ library), which obviously doesn't included in libraries | |
| 680 # list by gcc. This cause undefined symbols with -static flags. | |
| 681 # This hack allows C programs to be linked with "-static -ldl", but | |
| 682 # we not sure about C++ programs. | |
| 683 link_static_flag="$link_static_flag ${wl}-lC" | |
| 684 ;; | |
| 685 cygwin* | mingw* | os2*) | |
| 686 # We can build DLLs from non-PIC. | |
| 687 ;; | |
| 688 amigaos*) | |
| 689 # FIXME: we need at least 68020 code to build shared libraries, but | |
| 690 # adding the `-m68020' flag to GCC prevents building anything better, | |
| 691 # like `-m68040'. | |
| 692 pic_flag='-m68020 -resident32 -malways-restore-a4' | |
| 693 ;; | |
| 694 sysv4*MP*) | |
| 695 if test -d /usr/nec; then | |
| 696 pic_flag=-Kconform_pic | |
| 697 fi | |
| 698 ;; | |
| 699 *) | |
| 700 pic_flag='-fPIC' | |
| 701 ;; | |
| 702 esac | |
| 703 else | |
| 704 # PORTME Check for PIC flags for the system compiler. | |
| 705 case "$host_os" in | |
| 706 aix3* | aix4*) | |
| 707 # All AIX code is PIC. | |
| 708 link_static_flag='-bnso -bI:/lib/syscalls.exp' | |
| 709 ;; | |
| 710 | |
| 711 hpux9* | hpux10* | hpux11*) | |
| 712 # Is there a better link_static_flag that works with the bundled CC? | |
| 713 wl='-Wl,' | |
| 714 link_static_flag="${wl}-a ${wl}archive" | |
| 715 pic_flag='+Z' | |
| 716 ;; | |
| 717 | |
| 718 irix5* | irix6*) | |
| 719 wl='-Wl,' | |
| 720 link_static_flag='-non_shared' | |
| 721 # PIC (with -KPIC) is the default. | |
| 722 ;; | |
| 723 | |
| 724 cygwin* | mingw* | os2*) | |
| 725 # We can build DLLs from non-PIC. | |
| 726 ;; | |
| 727 | |
| 728 osf3* | osf4* | osf5*) | |
| 729 # All OSF/1 code is PIC. | |
| 730 wl='-Wl,' | |
| 731 link_static_flag='-non_shared' | |
| 732 ;; | |
| 733 | |
| 734 sco3.2v5*) | |
| 735 pic_flag='-Kpic' | |
| 736 link_static_flag='-dn' | |
| 737 special_shlib_compile_flags='-belf' | |
| 738 ;; | |
| 739 | |
| 740 solaris*) | |
| 741 pic_flag='-KPIC' | |
| 742 link_static_flag='-Bstatic' | |
| 743 wl='-Wl,' | |
| 744 ;; | |
| 745 | |
| 746 sunos4*) | |
| 747 pic_flag='-PIC' | |
| 748 link_static_flag='-Bstatic' | |
| 749 wl='-Qoption ld ' | |
| 750 ;; | |
| 751 | |
| 752 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) | |
| 753 pic_flag='-KPIC' | |
| 754 link_static_flag='-Bstatic' | |
| 755 wl='-Wl,' | |
| 756 ;; | |
| 757 | |
| 758 uts4*) | |
| 759 pic_flag='-pic' | |
| 760 link_static_flag='-Bstatic' | |
| 761 ;; | |
| 762 sysv4*MP*) | |
| 763 if test -d /usr/nec ;then | |
| 764 pic_flag='-Kconform_pic' | |
| 765 link_static_flag='-Bstatic' | |
| 766 fi | |
| 767 ;; | |
| 768 *) | |
| 769 can_build_shared=no | |
| 770 ;; | |
| 771 esac | |
| 772 fi | |
| 773 | |
| 774 if test -n "$pic_flag"; then | |
| 775 echo "$ac_t$pic_flag" 1>&6 | |
| 776 | |
| 777 # Check to make sure the pic_flag actually works. | |
| 778 echo $ac_n "checking if $compiler PIC flag $pic_flag works... $ac_c" 1>&6 | |
| 779 $rm conftest* | |
| 780 echo "int some_variable = 0;" > conftest.c | |
| 781 save_CFLAGS="$CFLAGS" | |
| 782 CFLAGS="$CFLAGS $pic_flag -DPIC" | |
| 783 echo "$progname:776: checking if $compiler PIC flag $pic_flag works" >&5 | |
| 784 if { (eval echo $progname:777: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.$objext; then | |
| 785 # Append any warnings to the config.log. | |
| 786 cat conftest.err 1>&5 | |
| 787 | |
| 788 case "$host_os" in | |
| 789 hpux9* | hpux10* | hpux11*) | |
| 790 # On HP-UX, both CC and GCC only warn that PIC is supported... then they | |
| 791 # create non-PIC objects. So, if there were any warnings, we assume that | |
| 792 # PIC is not supported. | |
| 793 if test -s conftest.err; then | |
| 794 echo "$ac_t"no 1>&6 | |
| 795 can_build_shared=no | |
| 796 pic_flag= | |
| 797 else | |
| 798 echo "$ac_t"yes 1>&6 | |
| 799 pic_flag=" $pic_flag" | |
| 800 fi | |
| 801 ;; | |
| 802 *) | |
| 803 echo "$ac_t"yes 1>&6 | |
| 804 pic_flag=" $pic_flag" | |
| 805 ;; | |
| 806 esac | |
| 807 else | |
| 808 # Append any errors to the config.log. | |
| 809 cat conftest.err 1>&5 | |
| 810 can_build_shared=no | |
| 811 pic_flag= | |
| 812 echo "$ac_t"no 1>&6 | |
| 813 fi | |
| 814 CFLAGS="$save_CFLAGS" | |
| 815 $rm conftest* | |
| 816 else | |
| 817 echo "$ac_t"none 1>&6 | |
| 818 fi | |
| 819 | |
| 820 # Check to see if options -o and -c are simultaneously supported by compiler | |
| 821 echo $ac_n "checking if $compiler supports -c -o file.o... $ac_c" 1>&6 | |
| 822 $rm -r conftest 2>/dev/null | |
| 823 mkdir conftest | |
| 824 cd conftest | |
| 825 $rm conftest* | |
| 826 echo "int some_variable = 0;" > conftest.c | |
| 827 mkdir out | |
| 828 # According to Tom Tromey, Ian Lance Taylor reported there are C compilers | |
| 829 # that will create temporary files in the current directory regardless of | |
| 830 # the output directory. Thus, making CWD read-only will cause this test | |
| 831 # to fail, enabling locking or at least warning the user not to do parallel | |
| 832 # builds. | |
| 833 chmod -w . | |
| 834 save_CFLAGS="$CFLAGS" | |
| 835 CFLAGS="$CFLAGS -o out/conftest2.o" | |
| 836 echo "$progname:829: checking if $compiler supports -c -o file.o" >&5 | |
| 837 if { (eval echo $progname:830: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>out/conftest.err; } && test -s out/conftest2.o; then | |
| 838 | |
| 839 # The compiler can only warn and ignore the option if not recognized | |
| 840 # So say no if there are warnings | |
| 841 if test -s out/conftest.err; then | |
| 842 echo "$ac_t"no 1>&6 | |
| 843 compiler_c_o=no | |
| 844 else | |
| 845 echo "$ac_t"yes 1>&6 | |
| 846 compiler_c_o=yes | |
| 847 fi | |
| 848 else | |
| 849 # Append any errors to the config.log. | |
| 850 cat out/conftest.err 1>&5 | |
| 851 compiler_c_o=no | |
| 852 echo "$ac_t"no 1>&6 | |
| 853 fi | |
| 854 CFLAGS="$save_CFLAGS" | |
| 855 chmod u+w . | |
| 856 $rm conftest* out/* | |
| 857 rmdir out | |
| 858 cd .. | |
| 859 rmdir conftest | |
| 860 $rm -r conftest 2>/dev/null | |
| 861 | |
| 862 if test x"$compiler_c_o" = x"yes"; then | |
| 863 # Check to see if we can write to a .lo | |
| 864 echo $ac_n "checking if $compiler supports -c -o file.lo... $ac_c" 1>&6 | |
| 865 $rm conftest* | |
| 866 echo "int some_variable = 0;" > conftest.c | |
| 867 save_CFLAGS="$CFLAGS" | |
| 868 CFLAGS="$CFLAGS -c -o conftest.lo" | |
| 869 echo "$progname:862: checking if $compiler supports -c -o file.lo" >&5 | |
| 870 if { (eval echo $progname:863: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.lo; then | |
| 871 | |
| 872 # The compiler can only warn and ignore the option if not recognized | |
| 873 # So say no if there are warnings | |
| 874 if test -s conftest.err; then | |
| 875 echo "$ac_t"no 1>&6 | |
| 876 compiler_o_lo=no | |
| 877 else | |
| 878 echo "$ac_t"yes 1>&6 | |
| 879 compiler_o_lo=yes | |
| 880 fi | |
| 881 else | |
| 882 # Append any errors to the config.log. | |
| 883 cat conftest.err 1>&5 | |
| 884 compiler_o_lo=no | |
| 885 echo "$ac_t"no 1>&6 | |
| 886 fi | |
| 887 CFLAGS="$save_CFLAGS" | |
| 888 $rm conftest* | |
| 889 else | |
| 890 compiler_o_lo=no | |
| 891 fi | |
| 892 | |
| 893 # Check to see if we can do hard links to lock some files if needed | |
| 894 hard_links="nottested" | |
| 895 if test "$compiler_c_o" = no && test "$need_locks" != no; then | |
| 896 # do not overwrite the value of need_locks provided by the user | |
| 897 echo $ac_n "checking if we can lock with hard links... $ac_c" 1>&6 | |
| 898 hard_links=yes | |
| 899 $rm conftest* | |
| 900 ln conftest.a conftest.b 2>/dev/null && hard_links=no | |
| 901 touch conftest.a | |
| 902 ln conftest.a conftest.b 2>&5 || hard_links=no | |
| 903 ln conftest.a conftest.b 2>/dev/null && hard_links=no | |
| 904 echo "$ac_t$hard_links" 1>&6 | |
| 905 $rm conftest* | |
| 906 if test "$hard_links" = no; then | |
| 907 echo "*** WARNING: \`$CC' does not support \`-c -o', so \`make -j' may be unsafe" >&2 | |
| 908 need_locks=warn | |
| 909 fi | |
| 910 else | |
| 911 need_locks=no | |
| 912 fi | |
| 913 | |
| 914 if test "$with_gcc" = yes; then | |
| 915 # Check to see if options -fno-rtti -fno-exceptions are supported by compiler | |
| 916 echo $ac_n "checking if $compiler supports -fno-rtti -fno-exceptions ... $ac_c" 1>&6 | |
| 917 $rm conftest* | |
| 918 echo "int some_variable = 0;" > conftest.c | |
| 919 save_CFLAGS="$CFLAGS" | |
| 920 CFLAGS="$CFLAGS -fno-rtti -fno-exceptions -c conftest.c" | |
| 921 echo "$progname:914: checking if $compiler supports -fno-rtti -fno-exceptions" >&5 | |
| 922 if { (eval echo $progname:915: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>conftest.err; } && test -s conftest.o; then | |
| 923 | |
| 924 # The compiler can only warn and ignore the option if not recognized | |
| 925 # So say no if there are warnings | |
| 926 if test -s conftest.err; then | |
| 927 echo "$ac_t"no 1>&6 | |
| 928 compiler_rtti_exceptions=no | |
| 929 else | |
| 930 echo "$ac_t"yes 1>&6 | |
| 931 compiler_rtti_exceptions=yes | |
| 932 fi | |
| 933 else | |
| 934 # Append any errors to the config.log. | |
| 935 cat conftest.err 1>&5 | |
| 936 compiler_rtti_exceptions=no | |
| 937 echo "$ac_t"no 1>&6 | |
| 938 fi | |
| 939 CFLAGS="$save_CFLAGS" | |
| 940 $rm conftest* | |
| 941 | |
| 942 if test "$compiler_rtti_exceptions" = "yes"; then | |
| 943 no_builtin_flag=' -fno-builtin -fno-rtti -fno-exceptions' | |
| 944 else | |
| 945 no_builtin_flag=' -fno-builtin' | |
| 946 fi | |
| 947 | |
| 948 fi | |
| 949 | |
| 950 # Check for any special shared library compilation flags. | |
| 951 if test -n "$special_shlib_compile_flags"; then | |
| 952 echo "$progname: warning: \`$CC' requires \`$special_shlib_compile_flags' to build shared libraries" 1>&2 | |
| 953 if echo "$old_CC $old_CFLAGS " | egrep -e "[ ]$special_shlib_compile_flags[ ]" >/dev/null; then : | |
| 954 else | |
| 955 echo "$progname: add \`$special_shlib_compile_flags' to the CC or CFLAGS env variable and reconfigure" 1>&2 | |
| 956 can_build_shared=no | |
| 957 fi | |
| 958 fi | |
| 959 | |
| 960 echo $ac_n "checking if $compiler static flag $link_static_flag works... $ac_c" 1>&6 | |
| 961 $rm conftest* | |
| 962 echo 'main(){return(0);}' > conftest.c | |
| 963 save_LDFLAGS="$LDFLAGS" | |
| 964 LDFLAGS="$LDFLAGS $link_static_flag" | |
| 965 echo "$progname:958: checking if $compiler static flag $link_static_flag works" >&5 | |
| 966 if { (eval echo $progname:959: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then | |
| 967 echo "$ac_t$link_static_flag" 1>&6 | |
| 968 else | |
| 969 echo "$ac_t"none 1>&6 | |
| 970 link_static_flag= | |
| 971 fi | |
| 972 LDFLAGS="$save_LDFLAGS" | |
| 973 $rm conftest* | |
| 974 | |
| 975 if test -z "$LN_S"; then | |
| 976 # Check to see if we can use ln -s, or we need hard links. | |
| 977 echo $ac_n "checking whether ln -s works... $ac_c" 1>&6 | |
| 978 $rm conftest.dat | |
| 979 if ln -s X conftest.dat 2>/dev/null; then | |
| 980 $rm conftest.dat | |
| 981 LN_S="ln -s" | |
| 982 else | |
| 983 LN_S=ln | |
| 984 fi | |
| 985 if test "$LN_S" = "ln -s"; then | |
| 986 echo "$ac_t"yes 1>&6 | |
| 987 else | |
| 988 echo "$ac_t"no 1>&6 | |
| 989 fi | |
| 990 fi | |
| 991 | |
| 992 # Make sure LD is an absolute path. | |
| 993 if test -z "$LD"; then | |
| 994 ac_prog=ld | |
| 995 if test "$with_gcc" = yes; then | |
| 996 # Check if gcc -print-prog-name=ld gives a path. | |
| 997 echo $ac_n "checking for ld used by GCC... $ac_c" 1>&6 | |
| 998 echo "$progname:991: checking for ld used by GCC" >&5 | |
| 999 ac_prog=`($CC -print-prog-name=ld) 2>&5` | |
| 1000 case "$ac_prog" in | |
| 1001 # Accept absolute paths. | |
| 1002 [\\/]* | [A-Za-z]:[\\/]*) | |
| 1003 re_direlt='/[^/][^/]*/\.\./' | |
| 1004 # Canonicalize the path of ld | |
| 1005 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` | |
| 1006 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do | |
| 1007 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` | |
| 1008 done | |
| 1009 test -z "$LD" && LD="$ac_prog" | |
| 1010 ;; | |
| 1011 "") | |
| 1012 # If it fails, then pretend we are not using GCC. | |
| 1013 ac_prog=ld | |
| 1014 ;; | |
| 1015 *) | |
| 1016 # If it is relative, then search for the first ld in PATH. | |
| 1017 with_gnu_ld=unknown | |
| 1018 ;; | |
| 1019 esac | |
| 1020 elif test "$with_gnu_ld" = yes; then | |
| 1021 echo $ac_n "checking for GNU ld... $ac_c" 1>&6 | |
| 1022 echo "$progname:1015: checking for GNU ld" >&5 | |
| 1023 else | |
| 1024 echo $ac_n "checking for non-GNU ld""... $ac_c" 1>&6 | |
| 1025 echo "$progname:1018: checking for non-GNU ld" >&5 | |
| 1026 fi | |
| 1027 | |
| 1028 if test -z "$LD"; then | |
| 1029 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" | |
| 1030 for ac_dir in $PATH; do | |
| 1031 test -z "$ac_dir" && ac_dir=. | |
| 1032 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then | |
| 1033 LD="$ac_dir/$ac_prog" | |
| 1034 # Check to see if the program is GNU ld. I'd rather use --version, | |
| 1035 # but apparently some GNU ld's only accept -v. | |
| 1036 # Break only if it was the GNU/non-GNU ld that we prefer. | |
| 1037 if "$LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then | |
| 1038 test "$with_gnu_ld" != no && break | |
| 1039 else | |
| 1040 test "$with_gnu_ld" != yes && break | |
| 1041 fi | |
| 1042 fi | |
| 1043 done | |
| 1044 IFS="$ac_save_ifs" | |
| 1045 fi | |
| 1046 | |
| 1047 if test -n "$LD"; then | |
| 1048 echo "$ac_t$LD" 1>&6 | |
| 1049 else | |
| 1050 echo "$ac_t"no 1>&6 | |
| 1051 fi | |
| 1052 | |
| 1053 if test -z "$LD"; then | |
| 1054 echo "$progname: error: no acceptable ld found in \$PATH" 1>&2 | |
| 1055 exit 1 | |
| 1056 fi | |
| 1057 fi | |
| 1058 | |
| 1059 # Check to see if it really is or is not GNU ld. | |
| 1060 echo $ac_n "checking if the linker ($LD) is GNU ld... $ac_c" 1>&6 | |
| 1061 # I'd rather use --version here, but apparently some GNU ld's only accept -v. | |
| 1062 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then | |
| 1063 with_gnu_ld=yes | |
| 1064 else | |
| 1065 with_gnu_ld=no | |
| 1066 fi | |
| 1067 echo "$ac_t$with_gnu_ld" 1>&6 | |
| 1068 | |
| 1069 # See if the linker supports building shared libraries. | |
| 1070 echo $ac_n "checking whether the linker ($LD) supports shared libraries... $ac_c" 1>&6 | |
| 1071 | |
| 1072 allow_undefined_flag= | |
| 1073 no_undefined_flag= | |
| 1074 need_lib_prefix=unknown | |
| 1075 need_version=unknown | |
| 1076 # when you set need_version to no, make sure it does not cause -set_version | |
| 1077 # flags to be left without arguments | |
| 1078 archive_cmds= | |
| 1079 archive_expsym_cmds= | |
| 1080 old_archive_from_new_cmds= | |
| 1081 export_dynamic_flag_spec= | |
| 1082 whole_archive_flag_spec= | |
| 1083 thread_safe_flag_spec= | |
| 1084 hardcode_libdir_flag_spec= | |
| 1085 hardcode_libdir_separator= | |
| 1086 hardcode_direct=no | |
| 1087 hardcode_minus_L=no | |
| 1088 hardcode_shlibpath_var=unsupported | |
| 1089 runpath_var= | |
| 1090 always_export_symbols=no | |
| 1091 export_symbols_cmds='$NM $libobjs $convenience | $global_symbol_pipe | sed '\''s/.* //'\'' | sort | uniq > $export_symbols' | |
| 1092 # include_expsyms should be a list of space-separated symbols to be *always* | |
| 1093 # included in the symbol list | |
| 1094 include_expsyms= | |
| 1095 # exclude_expsyms can be an egrep regular expression of symbols to exclude | |
| 1096 # it will be wrapped by ` (' and `)$', so one must not match beginning or | |
| 1097 # end of line. Example: `a|bc|.*d.*' will exclude the symbols `a' and `bc', | |
| 1098 # as well as any symbol that contains `d'. | |
| 1099 exclude_expsyms="_GLOBAL_OFFSET_TABLE_" | |
| 1100 # Although _GLOBAL_OFFSET_TABLE_ is a valid symbol C name, most a.out | |
| 1101 # platforms (ab)use it in PIC code, but their linkers get confused if | |
| 1102 # the symbol is explicitly referenced. Since portable code cannot | |
| 1103 # rely on this symbol name, it's probably fine to never include it in | |
| 1104 # preloaded symbol tables. | |
| 1105 | |
| 1106 case "$host_os" in | |
| 1107 cygwin* | mingw*) | |
| 1108 # FIXME: the MSVC++ port hasn't been tested in a loooong time | |
| 1109 # When not using gcc, we currently assume that we are using | |
| 1110 # Microsoft Visual C++. | |
| 1111 if test "$with_gcc" != yes; then | |
| 1112 with_gnu_ld=no | |
| 1113 fi | |
| 1114 ;; | |
|
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|
1115 openbsd*) |
|
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|
1116 with_gnu_ld=no |
|
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|
1117 ;; |
| 0 | 1118 |
| 1119 esac | |
| 1120 | |
| 1121 ld_shlibs=yes | |
| 1122 if test "$with_gnu_ld" = yes; then | |
| 1123 # If archive_cmds runs LD, not CC, wlarc should be empty | |
| 1124 wlarc='${wl}' | |
| 1125 | |
| 1126 # See if GNU ld supports shared libraries. | |
| 1127 case "$host_os" in | |
| 1128 aix3* | aix4*) | |
| 1129 # On AIX, the GNU linker is very broken | |
| 1130 ld_shlibs=no | |
| 1131 cat <<EOF 1>&2 | |
| 1132 | |
| 1133 *** Warning: the GNU linker, at least up to release 2.9.1, is reported | |
| 1134 *** to be unable to reliably create shared libraries on AIX. | |
| 1135 *** Therefore, libtool is disabling shared libraries support. If you | |
| 1136 *** really care for shared libraries, you may want to modify your PATH | |
| 1137 *** so that a non-GNU linker is found, and then restart. | |
| 1138 | |
| 1139 EOF | |
| 1140 ;; | |
| 1141 | |
| 1142 amigaos*) | |
| 1143 archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)' | |
| 1144 hardcode_libdir_flag_spec='-L$libdir' | |
| 1145 hardcode_minus_L=yes | |
| 1146 | |
| 1147 # Samuel A. Falvo II <kc5tja@dolphin.openprojects.net> reports | |
| 1148 # that the semantics of dynamic libraries on AmigaOS, at least up | |
| 1149 # to version 4, is to share data among multiple programs linked | |
| 1150 # with the same dynamic library. Since this doesn't match the | |
| 1151 # behavior of shared libraries on other platforms, we can use | |
| 1152 # them. | |
| 1153 ld_shlibs=no | |
| 1154 ;; | |
| 1155 | |
| 1156 beos*) | |
| 1157 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then | |
| 1158 #allow_undefined_flag=unsupported | |
| 1159 # Joseph Beckenbach <jrb3@best.com> says some releases of gcc | |
| 1160 # support --undefined. This deserves some investigation. FIXME | |
| 1161 archive_cmds='$CC -nostart $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' | |
| 1162 else | |
| 1163 ld_shlibs=no | |
| 1164 fi | |
| 1165 ;; | |
| 1166 | |
| 1167 cygwin* | mingw*) | |
|
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1168 # Special flag that tells Cygwin to use the native MSVC runtime |
|
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|
1169 case "$host_os" in |
|
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|
1170 cygwin*) |
|
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|
1171 cygwin_use_msvcrt=true |
|
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1172 ;; |
|
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|
1173 esac |
| 0 | 1174 # hardcode_libdir_flag_spec is actually meaningless, as there is |
| 1175 # no search path for DLLs. | |
| 1176 hardcode_libdir_flag_spec='-L$libdir' | |
| 1177 # allow_undefined_flag=unsupported | |
| 1178 always_export_symbols=yes | |
| 1179 | |
| 1180 # Extract the symbol export list from an `--export-all' def file, | |
| 1181 # then regenerate the def file from the symbol export list, so that | |
| 1182 # the compiled dll only exports the symbol export list. | |
| 1183 # Be careful not to strip the DATA tag left by newer dlltools. | |
|
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|
1184 if [ "$cygwin_use_msvcrt" = "true" ]; then |
|
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1185 export_symbols_cmds='test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~ |
|
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1186 test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -U__CYGWIN__ -U__CYGWIN32__ -c $soname-ltdll.c)~ |
|
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|
1187 $DLLTOOL --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def $objdir/$soname-ltdll.$objext $libobjs $convenience~ |
|
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|
1188 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $objdir/$soname-def > $export_symbols' |
|
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|
1189 else |
|
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|
1190 export_symbols_cmds='test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~ |
| 0 | 1191 test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~ |
| 1192 $DLLTOOL --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --output-def $objdir/$soname-def $objdir/$soname-ltdll.$objext $libobjs $convenience~ | |
| 1193 sed -e "1,/EXPORTS/d" -e "s/ @ [0-9]*//" -e "s/ *;.*$//" < $objdir/$soname-def > $export_symbols' | |
|
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1194 fi |
| 0 | 1195 |
| 1196 # If DATA tags from a recent dlltool are present, honour them! | |
|
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1197 if [ "$cygwin_use_msvcrt" = "true" ]; then |
|
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|
1198 archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~ |
|
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|
1199 _lt_hint=1; |
|
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|
1200 cat $export_symbols | while read symbol; do |
|
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|
1201 set dummy \$symbol; |
|
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|
1202 case \$# in |
|
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|
1203 2) echo " \$2 @ \$_lt_hint ; " >> $objdir/$soname-def;; |
|
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|
1204 *) echo " \$2 @ \$_lt_hint \$3 ; " >> $objdir/$soname-def;; |
|
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|
1205 esac; |
|
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|
1206 _lt_hint=`expr 1 + \$_lt_hint`; |
|
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|
1207 done~ |
|
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|
1208 test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~ |
|
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|
1209 test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -U__CYGWIN__ -U__CYGWIN32__ -c $soname-ltdll.c)~ |
|
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|
1210 $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts -L/usr/lib/mingw -mno-cygwin~ |
|
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|
1211 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~ |
|
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|
1212 $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts -L/usr/lib/mingw -mno-cygwin~ |
|
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|
1213 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~ |
|
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|
1214 $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts -L/usr/lib/mingw -mno-cygwin~ |
|
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|
1215 : strip_is_broken_with_dlls_on_win95B - strip $lib' |
|
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|
1216 else |
|
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|
1217 archive_expsym_cmds='echo EXPORTS > $objdir/$soname-def~ |
| 0 | 1218 _lt_hint=1; |
| 1219 cat $export_symbols | while read symbol; do | |
| 1220 set dummy \$symbol; | |
| 1221 case \$# in | |
| 1222 2) echo " \$2 @ \$_lt_hint ; " >> $objdir/$soname-def;; | |
| 1223 *) echo " \$2 @ \$_lt_hint \$3 ; " >> $objdir/$soname-def;; | |
| 1224 esac; | |
| 1225 _lt_hint=`expr 1 + \$_lt_hint`; | |
| 1226 done~ | |
| 1227 test -f $objdir/$soname-ltdll.c || sed -e "/^# \/\* ltdll\.c starts here \*\//,/^# \/\* ltdll.c ends here \*\// { s/^# //; p; }" -e d < $0 > $objdir/$soname-ltdll.c~ | |
| 1228 test -f $objdir/$soname-ltdll.$objext || (cd $objdir && $CC -c $soname-ltdll.c)~ | |
| 1229 $CC -Wl,--base-file,$objdir/$soname-base -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~ | |
| 1230 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~ | |
| 1231 $CC -Wl,--base-file,$objdir/$soname-base $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~ | |
| 1232 $DLLTOOL --as=$AS --dllname $soname --exclude-symbols _DllMain@12,_cygwin_dll_entry@12,_cygwin_noncygwin_dll_entry@12 --def $objdir/$soname-def --base-file $objdir/$soname-base --output-exp $objdir/$soname-exp~ | |
| 1233 $CC $objdir/$soname-exp -Wl,--dll -nostartfiles -Wl,-e,_DllMain@12 -o $lib $objdir/$soname-ltdll.$objext $libobjs $deplibs $linkopts~ | |
| 1234 : strip_is_broken_with_dlls_on_win95B - strip $lib' | |
|
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|
1235 fi |
|
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|
1236 old_archive_from_new_cmds='$DLLTOOL --as=$AS --dllname $soname --def $objdir/$soname-def --output-lib $objdir/$libname.a' |
| 0 | 1237 ;; |
| 1238 | |
| 1239 netbsd*) | |
| 1240 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then | |
| 1241 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' | |
| 1242 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' | |
| 1243 else | |
| 1244 archive_cmds='$LD -Bshareable $libobjs $deplibs $linkopts -o $lib' | |
| 1245 # can we support soname and/or expsyms with a.out? -oliva | |
| 1246 fi | |
| 1247 ;; | |
| 1248 | |
| 1249 solaris* | sysv5*) | |
| 1250 if $LD -v 2>&1 | egrep 'BFD 2\.8' > /dev/null; then | |
| 1251 ld_shlibs=no | |
| 1252 cat <<EOF 1>&2 | |
| 1253 | |
| 1254 *** Warning: The releases 2.8.* of the GNU linker cannot reliably | |
| 1255 *** create shared libraries on Solaris systems. Therefore, libtool | |
| 1256 *** is disabling shared libraries support. We urge you to upgrade GNU | |
| 1257 *** binutils to release 2.9.1 or newer. Another option is to modify | |
| 1258 *** your PATH or compiler configuration so that the native linker is | |
| 1259 *** used, and then restart. | |
| 1260 | |
| 1261 EOF | |
| 1262 elif $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then | |
| 1263 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' | |
| 1264 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' | |
| 1265 else | |
| 1266 ld_shlibs=no | |
| 1267 fi | |
| 1268 ;; | |
| 1269 | |
| 1270 sunos4*) | |
| 1271 archive_cmds='$LD -assert pure-text -Bshareable -o $lib $libobjs $deplibs $linkopts' | |
| 1272 wlarc= | |
| 1273 hardcode_direct=yes | |
| 1274 hardcode_shlibpath_var=no | |
| 1275 ;; | |
| 1276 | |
| 1277 *) | |
| 1278 if $LD --help 2>&1 | egrep ': supported targets:.* elf' > /dev/null; then | |
| 1279 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname -o $lib' | |
| 1280 archive_expsym_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname $wl$soname ${wl}-retain-symbols-file $wl$export_symbols -o $lib' | |
| 1281 else | |
| 1282 ld_shlibs=no | |
| 1283 fi | |
| 1284 ;; | |
| 1285 esac | |
| 1286 | |
| 1287 if test "$ld_shlibs" = yes; then | |
| 1288 runpath_var=LD_RUN_PATH | |
| 1289 hardcode_libdir_flag_spec='${wl}--rpath ${wl}$libdir' | |
| 1290 export_dynamic_flag_spec='${wl}--export-dynamic' | |
| 1291 case $host_os in | |
| 1292 cygwin* | mingw*) | |
| 1293 # dlltool doesn't understand --whole-archive et. al. | |
| 1294 whole_archive_flag_spec= | |
| 1295 ;; | |
|
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1296 netbsd*) |
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1297 whole_archive_flag_spec= |
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1298 ;; |
| 0 | 1299 *) |
| 1300 # ancient GNU ld didn't support --whole-archive et. al. | |
| 1301 if $LD --help 2>&1 | egrep 'no-whole-archive' > /dev/null; then | |
| 1302 whole_archive_flag_spec="$wlarc"'--whole-archive$convenience '"$wlarc"'--no-whole-archive' | |
| 1303 else | |
| 1304 whole_archive_flag_spec= | |
| 1305 fi | |
| 1306 ;; | |
| 1307 esac | |
| 1308 fi | |
| 1309 else | |
| 1310 # PORTME fill in a description of your system's linker (not GNU ld) | |
| 1311 case "$host_os" in | |
| 1312 aix3*) | |
| 1313 allow_undefined_flag=unsupported | |
| 1314 always_export_symbols=yes | |
| 1315 archive_expsym_cmds='$LD -o $objdir/$soname $libobjs $deplibs $linkopts -bE:$export_symbols -T512 -H512 -bM:SRE~$AR cru $lib $objdir/$soname' | |
| 1316 # Note: this linker hardcodes the directories in LIBPATH if there | |
| 1317 # are no directories specified by -L. | |
| 1318 hardcode_minus_L=yes | |
| 1319 if test "$with_gcc" = yes && test -z "$link_static_flag"; then | |
| 1320 # Neither direct hardcoding nor static linking is supported with a | |
| 1321 # broken collect2. | |
| 1322 hardcode_direct=unsupported | |
| 1323 fi | |
| 1324 ;; | |
| 1325 | |
| 1326 aix4*) | |
| 1327 hardcode_libdir_flag_spec='${wl}-b ${wl}nolibpath ${wl}-b ${wl}libpath:$libdir:/usr/lib:/lib' | |
| 1328 hardcode_libdir_separator=':' | |
| 1329 if test "$with_gcc" = yes; then | |
| 1330 collect2name=`${CC} -print-prog-name=collect2` | |
| 1331 if test -f "$collect2name" && \ | |
| 1332 strings "$collect2name" | grep resolve_lib_name >/dev/null | |
| 1333 then | |
| 1334 # We have reworked collect2 | |
| 1335 hardcode_direct=yes | |
| 1336 else | |
| 1337 # We have old collect2 | |
| 1338 hardcode_direct=unsupported | |
| 1339 # It fails to find uninstalled libraries when the uninstalled | |
| 1340 # path is not listed in the libpath. Setting hardcode_minus_L | |
| 1341 # to unsupported forces relinking | |
| 1342 hardcode_minus_L=yes | |
| 1343 hardcode_libdir_flag_spec='-L$libdir' | |
| 1344 hardcode_libdir_separator= | |
| 1345 fi | |
| 1346 shared_flag='-shared' | |
| 1347 else | |
| 1348 shared_flag='${wl}-bM:SRE' | |
| 1349 hardcode_direct=yes | |
| 1350 fi | |
| 1351 allow_undefined_flag=' ${wl}-berok' | |
| 1352 archive_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bexpall ${wl}-bnoentry${allow_undefined_flag}' | |
| 1353 archive_expsym_cmds="\$CC $shared_flag"' -o $objdir/$soname $libobjs $deplibs $linkopts ${wl}-bE:$export_symbols ${wl}-bnoentry${allow_undefined_flag}' | |
| 1354 case "$host_os" in aix4.[01]|aix4.[01].*) | |
| 1355 # According to Greg Wooledge, -bexpall is only supported from AIX 4.2 on | |
| 1356 always_export_symbols=yes ;; | |
| 1357 esac | |
| 1358 ;; | |
| 1359 | |
| 1360 amigaos*) | |
| 1361 archive_cmds='$rm $objdir/a2ixlibrary.data~$echo "#define NAME $libname" > $objdir/a2ixlibrary.data~$echo "#define LIBRARY_ID 1" >> $objdir/a2ixlibrary.data~$echo "#define VERSION $major" >> $objdir/a2ixlibrary.data~$echo "#define REVISION $revision" >> $objdir/a2ixlibrary.data~$AR cru $lib $libobjs~$RANLIB $lib~(cd $objdir && a2ixlibrary -32)' | |
| 1362 hardcode_libdir_flag_spec='-L$libdir' | |
| 1363 hardcode_minus_L=yes | |
| 1364 # see comment about different semantics on the GNU ld section | |
| 1365 ld_shlibs=no | |
| 1366 ;; | |
| 1367 | |
| 1368 cygwin* | mingw*) | |
| 1369 # When not using gcc, we currently assume that we are using | |
| 1370 # Microsoft Visual C++. | |
| 1371 # hardcode_libdir_flag_spec is actually meaningless, as there is | |
| 1372 # no search path for DLLs. | |
| 1373 hardcode_libdir_flag_spec=' ' | |
| 1374 # allow_undefined_flag=unsupported | |
| 1375 # Tell ltmain to make .lib files, not .a files. | |
| 1376 libext=lib | |
| 1377 # FIXME: Setting linknames here is a bad hack. | |
| 1378 archive_cmds='$CC -o $lib $libobjs $linkopts `echo "$deplibs" | sed -e '\''s/ -lc$//'\''` -link -dll~linknames=' | |
| 1379 # The linker will automatically build a .lib file if we build a DLL. | |
| 1380 old_archive_from_new_cmds='true' | |
| 1381 # FIXME: Should let the user specify the lib program. | |
| 1382 old_archive_cmds='lib /OUT:$oldlib$oldobjs' | |
| 1383 fix_srcfile_path='`cygpath -w $srcfile`' | |
| 1384 ;; | |
| 1385 | |
| 1386 freebsd1*) | |
| 1387 ld_shlibs=no | |
| 1388 ;; | |
| 1389 | |
| 1390 # FreeBSD 2.2.[012] allows us to include c++rt0.o to get C++ constructor | |
| 1391 # support. Future versions do this automatically, but an explicit c++rt0.o | |
| 1392 # does not break anything, and helps significantly (at the cost of a little | |
| 1393 # extra space). | |
| 1394 freebsd2.2*) | |
| 1395 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts /usr/lib/c++rt0.o' | |
| 1396 hardcode_libdir_flag_spec='-R$libdir' | |
| 1397 hardcode_direct=yes | |
| 1398 hardcode_shlibpath_var=no | |
| 1399 ;; | |
| 1400 | |
| 1401 # Unfortunately, older versions of FreeBSD 2 do not have this feature. | |
| 1402 freebsd2*) | |
| 1403 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' | |
| 1404 hardcode_direct=yes | |
| 1405 hardcode_minus_L=yes | |
| 1406 hardcode_shlibpath_var=no | |
| 1407 ;; | |
| 1408 | |
| 1409 # FreeBSD 3 and greater uses gcc -shared to do shared libraries. | |
| 1410 freebsd*) | |
| 1411 archive_cmds='$CC -shared -o $lib $libobjs $deplibs $linkopts' | |
| 1412 hardcode_libdir_flag_spec='-R$libdir' | |
| 1413 hardcode_direct=yes | |
| 1414 hardcode_shlibpath_var=no | |
| 1415 ;; | |
| 1416 | |
| 1417 hpux9* | hpux10* | hpux11*) | |
| 1418 case "$host_os" in | |
| 1419 hpux9*) archive_cmds='$rm $objdir/$soname~$LD -b +b $install_libdir -o $objdir/$soname $libobjs $deplibs $linkopts~test $objdir/$soname = $lib || mv $objdir/$soname $lib' ;; | |
| 1420 *) archive_cmds='$LD -b +h $soname +b $install_libdir -o $lib $libobjs $deplibs $linkopts' ;; | |
| 1421 esac | |
| 1422 hardcode_libdir_flag_spec='${wl}+b ${wl}$libdir' | |
| 1423 hardcode_libdir_separator=: | |
| 1424 hardcode_direct=yes | |
| 1425 hardcode_minus_L=yes # Not in the search PATH, but as the default | |
| 1426 # location of the library. | |
| 1427 export_dynamic_flag_spec='${wl}-E' | |
| 1428 ;; | |
| 1429 | |
| 1430 irix5* | irix6*) | |
| 1431 if test "$with_gcc" = yes; then | |
| 1432 archive_cmds='$CC -shared $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' | |
| 1433 else | |
| 1434 archive_cmds='$LD -shared $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' | |
| 1435 fi | |
| 1436 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
| 1437 hardcode_libdir_separator=: | |
| 1438 ;; | |
| 1439 | |
| 1440 netbsd*) | |
| 1441 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then | |
| 1442 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' # a.out | |
| 1443 else | |
| 1444 archive_cmds='$LD -shared -o $lib $libobjs $deplibs $linkopts' # ELF | |
| 1445 fi | |
| 1446 hardcode_libdir_flag_spec='${wl}-R$libdir' | |
| 1447 hardcode_direct=yes | |
| 1448 hardcode_shlibpath_var=no | |
| 1449 ;; | |
| 1450 | |
| 1451 openbsd*) | |
| 1452 hardcode_direct=yes | |
| 1453 hardcode_shlibpath_var=no | |
|
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1454 if test -z "`echo __ELF__ | $CC -E - | grep __ELF__`" || test "$host_os-$host_cpu" = "openbsd2. |
|
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1455 8-powerpc"; then |
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1456 archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linkopts' |
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1457 hardcode_libdir_flag_spec='${wl}-R$libdir' |
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1458 export_dynamic_flag_spec='${wl}-E' |
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1459 else |
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1460 case "$host_os" in |
|
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1461 openbsd[01].* | openbsd2.[0-7] | openbsd2.[0-7].*) |
|
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1462 archive_cmds='$LD -Bshareable -o $lib $libobjs $deplibs $linkopts' |
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1463 hardcode_libdir_flag_spec='-R$libdir' |
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1464 ;; |
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1465 *) |
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1466 archive_cmds='$CC -shared $pic_flag -o $lib $libobjs $deplibs $linkopts' |
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1467 hardcode_libdir_flag_spec='${wl}-R$libdir' |
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1468 ;; |
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1469 esac |
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1470 fi |
| 0 | 1471 ;; |
| 1472 | |
| 1473 os2*) | |
| 1474 hardcode_libdir_flag_spec='-L$libdir' | |
| 1475 hardcode_minus_L=yes | |
| 1476 allow_undefined_flag=unsupported | |
| 1477 archive_cmds='$echo "LIBRARY $libname INITINSTANCE" > $objdir/$libname.def~$echo "DESCRIPTION \"$libname\"" >> $objdir/$libname.def~$echo DATA >> $objdir/$libname.def~$echo " SINGLE NONSHARED" >> $objdir/$libname.def~$echo EXPORTS >> $objdir/$libname.def~emxexp $libobjs >> $objdir/$libname.def~$CC -Zdll -Zcrtdll -o $lib $libobjs $deplibs $linkopts $objdir/$libname.def' | |
| 1478 old_archive_from_new_cmds='emximp -o $objdir/$libname.a $objdir/$libname.def' | |
| 1479 ;; | |
| 1480 | |
| 1481 osf3*) | |
| 1482 if test "$with_gcc" = yes; then | |
| 1483 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' | |
| 1484 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' | |
| 1485 else | |
| 1486 allow_undefined_flag=' -expect_unresolved \*' | |
| 1487 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' | |
| 1488 fi | |
| 1489 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
| 1490 hardcode_libdir_separator=: | |
| 1491 ;; | |
| 1492 | |
| 1493 osf4* | osf5*) # As osf3* with the addition of the -msym flag | |
| 1494 if test "$with_gcc" = yes; then | |
| 1495 allow_undefined_flag=' ${wl}-expect_unresolved ${wl}\*' | |
| 1496 archive_cmds='$CC -shared${allow_undefined_flag} $libobjs $deplibs $linkopts ${wl}-msym ${wl}-soname ${wl}$soname `test -n "$verstring" && echo ${wl}-set_version ${wl}$verstring` ${wl}-update_registry ${wl}${objdir}/so_locations -o $lib' | |
| 1497 else | |
| 1498 allow_undefined_flag=' -expect_unresolved \*' | |
| 1499 archive_cmds='$LD -shared${allow_undefined_flag} $libobjs $deplibs $linkopts -msym -soname $soname `test -n "$verstring" && echo -set_version $verstring` -update_registry ${objdir}/so_locations -o $lib' | |
| 1500 fi | |
| 1501 hardcode_libdir_flag_spec='${wl}-rpath ${wl}$libdir' | |
| 1502 hardcode_libdir_separator=: | |
| 1503 ;; | |
| 1504 rhapsody*) | |
| 1505 archive_cmds='$CC -bundle -undefined suppress -o $lib $libobjs $deplibs $linkopts' | |
| 1506 hardcode_libdir_flags_spec='-L$libdir' | |
| 1507 hardcode_direct=yes | |
| 1508 hardcode_shlibpath_var=no | |
| 1509 ;; | |
| 1510 | |
| 1511 sco3.2v5*) | |
| 1512 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' | |
| 1513 hardcode_shlibpath_var=no | |
| 1514 runpath_var=LD_RUN_PATH | |
| 1515 hardcode_runpath_var=yes | |
| 1516 ;; | |
| 1517 | |
| 1518 solaris*) | |
| 1519 no_undefined_flag=' -z text' | |
| 1520 # $CC -shared without GNU ld will not create a library from C++ | |
| 1521 # object files and a static libstdc++, better avoid it by now | |
| 1522 archive_cmds='$LD -G${allow_undefined_flag} -h $soname -o $lib $libobjs $deplibs $linkopts' | |
| 1523 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ | |
| 1524 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp' | |
| 1525 hardcode_libdir_flag_spec='-R$libdir' | |
| 1526 hardcode_shlibpath_var=no | |
| 1527 case "$host_os" in | |
| 1528 solaris2.[0-5] | solaris2.[0-5].*) ;; | |
| 1529 *) # Supported since Solaris 2.6 (maybe 2.5.1?) | |
| 1530 whole_archive_flag_spec='-z allextract$convenience -z defaultextract' ;; | |
| 1531 esac | |
| 1532 ;; | |
| 1533 | |
| 1534 sunos4*) | |
| 1535 archive_cmds='$LD -assert pure-text -Bstatic -o $lib $libobjs $deplibs $linkopts' | |
| 1536 hardcode_libdir_flag_spec='-L$libdir' | |
| 1537 hardcode_direct=yes | |
| 1538 hardcode_minus_L=yes | |
| 1539 hardcode_shlibpath_var=no | |
| 1540 ;; | |
| 1541 | |
| 1542 sysv4) | |
| 1543 if test "x$host_vendor" = xsequent; then | |
| 1544 # Use $CC to link under sequent, because it throws in some extra .o | |
| 1545 # files that make .init and .fini sections work. | |
| 1546 archive_cmds='$CC -G ${wl}-h $soname -o $lib $libobjs $deplibs $linkopts' | |
| 1547 else | |
| 1548 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' | |
| 1549 fi | |
| 1550 runpath_var='LD_RUN_PATH' | |
| 1551 hardcode_shlibpath_var=no | |
| 1552 hardcode_direct=no #Motorola manual says yes, but my tests say they lie | |
| 1553 ;; | |
| 1554 | |
| 1555 sysv4.3*) | |
| 1556 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' | |
| 1557 hardcode_shlibpath_var=no | |
| 1558 export_dynamic_flag_spec='-Bexport' | |
| 1559 ;; | |
| 1560 | |
| 1561 sysv5*) | |
| 1562 no_undefined_flag=' -z text' | |
| 1563 # $CC -shared without GNU ld will not create a library from C++ | |
| 1564 # object files and a static libstdc++, better avoid it by now | |
| 1565 archive_cmds='$LD -G${allow_undefined_flag} -h $rpath/$soname -o $lib $libobjs $deplibs $linkopts' | |
| 1566 archive_expsym_cmds='$echo "{ global:" > $lib.exp~cat $export_symbols | sed -e "s/\(.*\)/\1;/" >> $lib.exp~$echo "local: *; };" >> $lib.exp~ | |
| 1567 $LD -G${allow_undefined_flag} -M $lib.exp -h $soname -o $lib $libobjs $deplibs $linkopts~$rm $lib.exp' | |
| 1568 hardcode_libdir_flag_spec= | |
| 1569 hardcode_shlibpath_var=no | |
| 1570 runpath_var='LD_RUN_PATH' | |
| 1571 ;; | |
| 1572 | |
| 1573 uts4*) | |
| 1574 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' | |
| 1575 hardcode_libdir_flag_spec='-L$libdir' | |
| 1576 hardcode_shlibpath_var=no | |
| 1577 ;; | |
| 1578 | |
| 1579 dgux*) | |
| 1580 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' | |
| 1581 hardcode_libdir_flag_spec='-L$libdir' | |
| 1582 hardcode_shlibpath_var=no | |
| 1583 ;; | |
| 1584 | |
| 1585 sysv4*MP*) | |
| 1586 if test -d /usr/nec; then | |
| 1587 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' | |
| 1588 hardcode_shlibpath_var=no | |
| 1589 runpath_var=LD_RUN_PATH | |
| 1590 hardcode_runpath_var=yes | |
| 1591 ld_shlibs=yes | |
| 1592 fi | |
| 1593 ;; | |
| 1594 | |
| 1595 sysv4.2uw2*) | |
| 1596 archive_cmds='$LD -G -o $lib $libobjs $deplibs $linkopts' | |
| 1597 hardcode_direct=yes | |
| 1598 hardcode_minus_L=no | |
| 1599 hardcode_shlibpath_var=no | |
| 1600 hardcode_runpath_var=yes | |
| 1601 runpath_var=LD_RUN_PATH | |
| 1602 ;; | |
| 1603 | |
| 1604 unixware7*) | |
| 1605 archive_cmds='$LD -G -h $soname -o $lib $libobjs $deplibs $linkopts' | |
| 1606 runpath_var='LD_RUN_PATH' | |
| 1607 hardcode_shlibpath_var=no | |
| 1608 ;; | |
| 1609 | |
| 1610 *) | |
| 1611 ld_shlibs=no | |
| 1612 ;; | |
| 1613 esac | |
| 1614 fi | |
| 1615 echo "$ac_t$ld_shlibs" 1>&6 | |
| 1616 test "$ld_shlibs" = no && can_build_shared=no | |
| 1617 | |
| 1618 if test -z "$NM"; then | |
| 1619 echo $ac_n "checking for BSD-compatible nm... $ac_c" 1>&6 | |
| 1620 case "$NM" in | |
| 1621 [\\/]* | [A-Za-z]:[\\/]*) ;; # Let the user override the test with a path. | |
| 1622 *) | |
| 1623 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR}" | |
| 1624 for ac_dir in $PATH /usr/ucb /usr/ccs/bin /bin; do | |
| 1625 test -z "$ac_dir" && ac_dir=. | |
| 1626 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext; then | |
| 1627 # Check to see if the nm accepts a BSD-compat flag. | |
| 1628 # Adding the `sed 1q' prevents false positives on HP-UX, which says: | |
| 1629 # nm: unknown option "B" ignored | |
| 1630 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then | |
| 1631 NM="$ac_dir/nm -B" | |
| 1632 break | |
| 1633 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then | |
| 1634 NM="$ac_dir/nm -p" | |
| 1635 break | |
| 1636 else | |
| 1637 NM=${NM="$ac_dir/nm"} # keep the first match, but | |
| 1638 continue # so that we can try to find one that supports BSD flags | |
| 1639 fi | |
| 1640 fi | |
| 1641 done | |
| 1642 IFS="$ac_save_ifs" | |
| 1643 test -z "$NM" && NM=nm | |
| 1644 ;; | |
| 1645 esac | |
| 1646 echo "$ac_t$NM" 1>&6 | |
| 1647 fi | |
| 1648 | |
| 1649 # Check for command to grab the raw symbol name followed by C symbol from nm. | |
| 1650 echo $ac_n "checking command to parse $NM output... $ac_c" 1>&6 | |
| 1651 | |
| 1652 # These are sane defaults that work on at least a few old systems. | |
| 1653 # [They come from Ultrix. What could be older than Ultrix?!! ;)] | |
| 1654 | |
| 1655 # Character class describing NM global symbol codes. | |
| 1656 symcode='[BCDEGRST]' | |
| 1657 | |
| 1658 # Regexp to match symbols that can be accessed directly from C. | |
| 1659 sympat='\([_A-Za-z][_A-Za-z0-9]*\)' | |
| 1660 | |
| 1661 # Transform the above into a raw symbol and a C symbol. | |
| 1662 symxfrm='\1 \2\3 \3' | |
| 1663 | |
| 1664 # Transform an extracted symbol line into a proper C declaration | |
| 1665 global_symbol_to_cdecl="sed -n -e 's/^. .* \(.*\)$/extern char \1;/p'" | |
| 1666 | |
| 1667 # Define system-specific variables. | |
| 1668 case "$host_os" in | |
| 1669 aix*) | |
| 1670 symcode='[BCDT]' | |
| 1671 ;; | |
| 1672 cygwin* | mingw*) | |
| 1673 symcode='[ABCDGISTW]' | |
| 1674 ;; | |
| 1675 hpux*) # Its linker distinguishes data from code symbols | |
| 1676 global_symbol_to_cdecl="sed -n -e 's/^T .* \(.*\)$/extern char \1();/p' -e 's/^. .* \(.*\)$/extern char \1;/p'" | |
| 1677 ;; | |
| 1678 irix*) | |
| 1679 symcode='[BCDEGRST]' | |
| 1680 ;; | |
| 1681 solaris*) | |
| 1682 symcode='[BDT]' | |
| 1683 ;; | |
| 1684 sysv4) | |
| 1685 symcode='[DFNSTU]' | |
| 1686 ;; | |
| 1687 esac | |
| 1688 | |
| 1689 # If we're using GNU nm, then use its standard symbol codes. | |
| 1690 if $NM -V 2>&1 | egrep '(GNU|with BFD)' > /dev/null; then | |
| 1691 symcode='[ABCDGISTW]' | |
| 1692 fi | |
| 1693 | |
| 1694 # Try without a prefix undercore, then with it. | |
| 1695 for ac_symprfx in "" "_"; do | |
| 1696 | |
| 1697 # Write the raw and C identifiers. | |
| 1698 global_symbol_pipe="sed -n -e 's/^.*[ ]\($symcode\)[ ][ ]*\($ac_symprfx\)$sympat$/$symxfrm/p'" | |
| 1699 | |
| 1700 # Check to see that the pipe works correctly. | |
| 1701 pipe_works=no | |
| 1702 $rm conftest* | |
| 1703 cat > conftest.c <<EOF | |
| 1704 #ifdef __cplusplus | |
| 1705 extern "C" { | |
| 1706 #endif | |
| 1707 char nm_test_var; | |
| 1708 void nm_test_func(){} | |
| 1709 #ifdef __cplusplus | |
| 1710 } | |
| 1711 #endif | |
| 1712 main(){nm_test_var='a';nm_test_func();return(0);} | |
| 1713 EOF | |
| 1714 | |
| 1715 echo "$progname:1653: checking if global_symbol_pipe works" >&5 | |
| 1716 if { (eval echo $progname:1654: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; } && test -s conftest.$objext; then | |
| 1717 # Now try to grab the symbols. | |
| 1718 nlist=conftest.nm | |
| 1719 if { echo "$progname:1657: eval \"$NM conftest.$objext | $global_symbol_pipe > $nlist\"" >&5; eval "$NM conftest.$objext | $global_symbol_pipe > $nlist 2>&5"; } && test -s "$nlist"; then | |
| 1720 | |
| 1721 # Try sorting and uniquifying the output. | |
| 1722 if sort "$nlist" | uniq > "$nlist"T; then | |
| 1723 mv -f "$nlist"T "$nlist" | |
| 1724 else | |
| 1725 rm -f "$nlist"T | |
| 1726 fi | |
| 1727 | |
| 1728 # Make sure that we snagged all the symbols we need. | |
| 1729 if egrep ' nm_test_var$' "$nlist" >/dev/null; then | |
| 1730 if egrep ' nm_test_func$' "$nlist" >/dev/null; then | |
| 1731 cat <<EOF > conftest.c | |
| 1732 #ifdef __cplusplus | |
| 1733 extern "C" { | |
| 1734 #endif | |
| 1735 | |
| 1736 EOF | |
| 1737 # Now generate the symbol file. | |
| 1738 eval "$global_symbol_to_cdecl"' < "$nlist" >> conftest.c' | |
| 1739 | |
| 1740 cat <<EOF >> conftest.c | |
| 1741 #if defined (__STDC__) && __STDC__ | |
| 1742 # define lt_ptr_t void * | |
| 1743 #else | |
| 1744 # define lt_ptr_t char * | |
| 1745 # define const | |
| 1746 #endif | |
| 1747 | |
| 1748 /* The mapping between symbol names and symbols. */ | |
| 1749 const struct { | |
| 1750 const char *name; | |
| 1751 lt_ptr_t address; | |
| 1752 } | |
| 1753 lt_preloaded_symbols[] = | |
| 1754 { | |
| 1755 EOF | |
| 1756 sed 's/^. \(.*\) \(.*\)$/ {"\2", (lt_ptr_t) \&\2},/' < "$nlist" >> conftest.c | |
| 1757 cat <<\EOF >> conftest.c | |
| 1758 {0, (lt_ptr_t) 0} | |
| 1759 }; | |
| 1760 | |
| 1761 #ifdef __cplusplus | |
| 1762 } | |
| 1763 #endif | |
| 1764 EOF | |
| 1765 # Now try linking the two files. | |
| 1766 mv conftest.$objext conftstm.$objext | |
| 1767 save_LIBS="$LIBS" | |
| 1768 save_CFLAGS="$CFLAGS" | |
| 1769 LIBS="conftstm.$objext" | |
| 1770 CFLAGS="$CFLAGS$no_builtin_flag" | |
| 1771 if { (eval echo $progname:1709: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then | |
| 1772 pipe_works=yes | |
| 1773 else | |
| 1774 echo "$progname: failed program was:" >&5 | |
| 1775 cat conftest.c >&5 | |
| 1776 fi | |
| 1777 LIBS="$save_LIBS" | |
| 1778 else | |
| 1779 echo "cannot find nm_test_func in $nlist" >&5 | |
| 1780 fi | |
| 1781 else | |
| 1782 echo "cannot find nm_test_var in $nlist" >&5 | |
| 1783 fi | |
| 1784 else | |
| 1785 echo "cannot run $global_symbol_pipe" >&5 | |
| 1786 fi | |
| 1787 else | |
| 1788 echo "$progname: failed program was:" >&5 | |
| 1789 cat conftest.c >&5 | |
| 1790 fi | |
| 1791 $rm conftest* conftst* | |
| 1792 | |
| 1793 # Do not use the global_symbol_pipe unless it works. | |
| 1794 if test "$pipe_works" = yes; then | |
| 1795 break | |
| 1796 else | |
| 1797 global_symbol_pipe= | |
| 1798 fi | |
| 1799 done | |
| 1800 if test "$pipe_works" = yes; then | |
| 1801 echo "${ac_t}ok" 1>&6 | |
| 1802 else | |
| 1803 echo "${ac_t}failed" 1>&6 | |
| 1804 fi | |
| 1805 | |
| 1806 if test -z "$global_symbol_pipe"; then | |
| 1807 global_symbol_to_cdecl= | |
| 1808 fi | |
| 1809 | |
| 1810 # Check hardcoding attributes. | |
| 1811 echo $ac_n "checking how to hardcode library paths into programs... $ac_c" 1>&6 | |
| 1812 hardcode_action= | |
| 1813 if test -n "$hardcode_libdir_flag_spec" || \ | |
| 1814 test -n "$runpath_var"; then | |
| 1815 | |
| 1816 # We can hardcode non-existant directories. | |
| 1817 if test "$hardcode_direct" != no && | |
| 1818 # If the only mechanism to avoid hardcoding is shlibpath_var, we | |
| 1819 # have to relink, otherwise we might link with an installed library | |
| 1820 # when we should be linking with a yet-to-be-installed one | |
| 1821 ## test "$hardcode_shlibpath_var" != no && | |
| 1822 test "$hardcode_minus_L" != no; then | |
| 1823 # Linking always hardcodes the temporary library directory. | |
| 1824 hardcode_action=relink | |
| 1825 else | |
| 1826 # We can link without hardcoding, and we can hardcode nonexisting dirs. | |
| 1827 hardcode_action=immediate | |
| 1828 fi | |
| 1829 else | |
| 1830 # We cannot hardcode anything, or else we can only hardcode existing | |
| 1831 # directories. | |
| 1832 hardcode_action=unsupported | |
| 1833 fi | |
| 1834 echo "$ac_t$hardcode_action" 1>&6 | |
| 1835 | |
| 1836 | |
| 1837 reload_flag= | |
| 1838 reload_cmds='$LD$reload_flag -o $output$reload_objs' | |
| 1839 echo $ac_n "checking for $LD option to reload object files... $ac_c" 1>&6 | |
| 1840 # PORTME Some linkers may need a different reload flag. | |
| 1841 reload_flag='-r' | |
| 1842 echo "$ac_t$reload_flag" 1>&6 | |
| 1843 test -n "$reload_flag" && reload_flag=" $reload_flag" | |
| 1844 | |
| 1845 # PORTME Fill in your ld.so characteristics | |
| 1846 library_names_spec= | |
| 1847 libname_spec='lib$name' | |
| 1848 soname_spec= | |
| 1849 postinstall_cmds= | |
| 1850 postuninstall_cmds= | |
| 1851 finish_cmds= | |
| 1852 finish_eval= | |
| 1853 shlibpath_var= | |
| 1854 shlibpath_overrides_runpath=unknown | |
| 1855 version_type=none | |
| 1856 dynamic_linker="$host_os ld.so" | |
| 1857 sys_lib_dlsearch_path_spec="/lib /usr/lib" | |
| 1858 sys_lib_search_path_spec="/lib /usr/lib /usr/local/lib" | |
| 1859 file_magic_cmd= | |
| 1860 file_magic_test_file= | |
| 1861 deplibs_check_method='unknown' | |
| 1862 # Need to set the preceding variable on all platforms that support | |
| 1863 # interlibrary dependencies. | |
| 1864 # 'none' -- dependencies not supported. | |
| 1865 # `unknown' -- same as none, but documents that we really don't know. | |
| 1866 # 'pass_all' -- all dependencies passed with no checks. | |
| 1867 # 'test_compile' -- check by making test program. | |
| 1868 # 'file_magic [regex]' -- check by looking for files in library path | |
| 1869 # which responds to the $file_magic_cmd with a given egrep regex. | |
| 1870 # If you have `file' or equivalent on your system and you're not sure | |
| 1871 # whether `pass_all' will *always* work, you probably want this one. | |
| 1872 echo $ac_n "checking dynamic linker characteristics... $ac_c" 1>&6 | |
| 1873 case "$host_os" in | |
| 1874 aix3*) | |
| 1875 version_type=linux | |
| 1876 library_names_spec='${libname}${release}.so$versuffix $libname.a' | |
| 1877 shlibpath_var=LIBPATH | |
| 1878 | |
| 1879 # AIX has no versioning support, so we append a major version to the name. | |
| 1880 soname_spec='${libname}${release}.so$major' | |
| 1881 ;; | |
| 1882 | |
| 1883 aix4*) | |
| 1884 version_type=linux | |
| 1885 # AIX has no versioning support, so currently we can not hardcode correct | |
| 1886 # soname into executable. Probably we can add versioning support to | |
| 1887 # collect2, so additional links can be useful in future. | |
| 1888 # We preserve .a as extension for shared libraries though AIX4.2 | |
| 1889 # and later linker supports .so | |
| 1890 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.a' | |
| 1891 shlibpath_var=LIBPATH | |
| 1892 deplibs_check_method=pass_all | |
| 1893 ;; | |
| 1894 | |
| 1895 amigaos*) | |
| 1896 library_names_spec='$libname.ixlibrary $libname.a' | |
| 1897 # Create ${libname}_ixlibrary.a entries in /sys/libs. | |
| 1898 finish_eval='for lib in `ls $libdir/*.ixlibrary 2>/dev/null`; do libname=`$echo "X$lib" | $Xsed -e '\''s%^.*/\([^/]*\)\.ixlibrary$%\1%'\''`; test $rm /sys/libs/${libname}_ixlibrary.a; $show "(cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a)"; (cd /sys/libs && $LN_S $lib ${libname}_ixlibrary.a) || exit 1; done' | |
| 1899 ;; | |
| 1900 | |
| 1901 beos*) | |
| 1902 library_names_spec='${libname}.so' | |
| 1903 dynamic_linker="$host_os ld.so" | |
| 1904 shlibpath_var=LIBRARY_PATH | |
| 1905 deplibs_check_method=pass_all | |
| 1906 lt_cv_dlopen="load_add_on" | |
| 1907 lt_cv_dlopen_libs= | |
| 1908 lt_cv_dlopen_self=yes | |
| 1909 ;; | |
| 1910 | |
| 1911 bsdi4*) | |
| 1912 version_type=linux | |
| 1913 need_version=no | |
| 1914 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' | |
| 1915 soname_spec='${libname}${release}.so$major' | |
| 1916 finish_cmds='PATH="\$PATH:/sbin" ldconfig $libdir' | |
| 1917 shlibpath_var=LD_LIBRARY_PATH | |
| 1918 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib)' | |
| 1919 file_magic_cmd=/usr/bin/file | |
| 1920 file_magic_test_file=/shlib/libc.so | |
| 1921 sys_lib_search_path_spec="/shlib /usr/lib /usr/X11/lib /usr/contrib/lib /lib /usr/local/lib" | |
| 1922 sys_lib_dlsearch_path_spec="/shlib /usr/lib /usr/local/lib" | |
| 1923 export_dynamic_flag_spec=-rdynamic | |
| 1924 # the default ld.so.conf also contains /usr/contrib/lib and | |
| 1925 # /usr/X11R6/lib (/usr/X11 is a link to /usr/X11R6), but let us allow | |
| 1926 # libtool to hard-code these into programs | |
| 1927 ;; | |
| 1928 | |
| 1929 cygwin* | mingw*) | |
| 1930 version_type=windows | |
| 1931 need_version=no | |
| 1932 need_lib_prefix=no | |
| 1933 if test "$with_gcc" = yes; then | |
| 1934 library_names_spec='`echo ${libname} | sed -e 's/^lib//g'`.dll $libname.a' | |
| 1935 else | |
| 1936 library_names_spec='${libname}`echo ${release} | sed -e 's/[.]/-/g'`${versuffix}.dll $libname.lib' | |
| 1937 fi | |
| 1938 dynamic_linker='Win32 ld.exe' | |
| 1939 deplibs_check_method='file_magic file format pe-i386(.*architecture: i386)?' | |
| 1940 file_magic_cmd='${OBJDUMP} -f' | |
| 1941 # FIXME: first we should search . and the directory the executable is in | |
| 1942 shlibpath_var=PATH | |
| 1943 if test "$with_gcc" = yes; then | |
| 1944 # See where the system libraries really are - /usr/lib won't cut it | |
| 1945 libuser32=`$CC --print-file-name=libuser32.a` | |
| 1946 win32libs=`expr $libuser32 : '\(.*\)/.*'` | |
|
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Sam Lantinga <slouken@lokigames.com>
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1947 sys_lib_search_path_spec="$sys_lib_search_path_spec /usr/lib/w32api $win32libs" |
| 0 | 1948 fi |
| 1949 lt_cv_dlopen="LoadLibrary" | |
| 1950 lt_cv_dlopen_libs= | |
| 1951 ;; | |
| 1952 | |
| 1953 freebsd1*) | |
| 1954 dynamic_linker=no | |
| 1955 ;; | |
| 1956 | |
| 1957 freebsd*) | |
| 1958 objformat=`test -x /usr/bin/objformat && /usr/bin/objformat || echo aout` | |
| 1959 version_type=freebsd-$objformat | |
| 1960 case "$version_type" in | |
| 1961 freebsd-elf*) | |
| 1962 deplibs_check_method='pass_all' | |
| 1963 | |
| 1964 file_magic_cmd=/usr/bin/file | |
| 1965 file_magic_test_file=`echo /usr/lib/libc.so*` | |
| 1966 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so' | |
| 1967 need_version=no | |
| 1968 need_lib_prefix=no | |
| 1969 ;; | |
| 1970 freebsd-*) | |
| 1971 deplibs_check_method=unknown | |
| 1972 library_names_spec='${libname}${release}.so$versuffix $libname.so$versuffix' | |
| 1973 need_version=yes | |
| 1974 ;; | |
| 1975 esac | |
| 1976 shlibpath_var=LD_LIBRARY_PATH | |
| 1977 case "$host_os" in | |
| 1978 freebsd2* | freebsd3.[01]* | freebsdelf3.[01]*) | |
| 1979 shlibpath_overrides_runpath=yes | |
| 1980 ;; | |
| 1981 *) # from 3.2 on | |
| 1982 shlibpath_overrides_runpath=no | |
| 1983 ;; | |
| 1984 esac | |
| 1985 ;; | |
| 1986 | |
| 1987 gnu*) | |
| 1988 version_type=linux | |
| 1989 need_lib_prefix=no | |
| 1990 need_version=no | |
| 1991 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so${major} ${libname}.so' | |
| 1992 soname_spec='${libname}${release}.so$major' | |
| 1993 shlibpath_var=LD_LIBRARY_PATH | |
| 1994 ;; | |
| 1995 | |
| 1996 hpux9* | hpux10* | hpux11*) | |
| 1997 # Give a soname corresponding to the major version so that dld.sl refuses to | |
| 1998 # link against other versions. | |
| 1999 dynamic_linker="$host_os dld.sl" | |
| 2000 version_type=sunos | |
| 2001 need_lib_prefix=no | |
| 2002 need_version=no | |
| 2003 shlibpath_var=SHLIB_PATH | |
| 2004 shlibpath_overrides_runpath=no # +s is required to enable SHLIB_PATH | |
| 2005 library_names_spec='${libname}${release}.sl$versuffix ${libname}${release}.sl$major $libname.sl' | |
| 2006 soname_spec='${libname}${release}.sl$major' | |
| 2007 # HP-UX runs *really* slowly unless shared libraries are mode 555. | |
| 2008 postinstall_cmds='chmod 555 $lib' | |
| 2009 case "$host_os" in | |
| 2010 hpux10.20*) | |
| 2011 # TODO: Does this work for hpux-11 too? | |
| 2012 # deplibs_check_method='file_magic (s[0-9][0-9][0-9]|PA-RISC[0-9].[0-9]) shared library' | |
| 2013 deplibs_check_method="unknown" | |
| 2014 file_magic_cmd=/usr/bin/file | |
| 2015 file_magic_test_file=/usr/lib/libc.sl | |
| 2016 ;; | |
| 2017 esac | |
| 2018 ;; | |
| 2019 | |
| 2020 irix5* | irix6*) | |
| 2021 version_type=irix | |
| 2022 need_lib_prefix=no | |
| 2023 need_version=no | |
| 2024 soname_spec='${libname}${release}.so.$major' | |
| 2025 library_names_spec='${libname}${release}.so.$versuffix ${libname}${release}.so.$major ${libname}${release}.so $libname.so' | |
| 2026 case "$host_os" in | |
| 2027 irix5*) | |
| 2028 libsuff= shlibsuff= | |
| 2029 # this will be overridden with pass_all, but let us keep it just in case | |
| 2030 deplibs_check_method="file_magic ELF 32-bit MSB dynamic lib MIPS - version 1" | |
| 2031 ;; | |
| 2032 *) | |
| 2033 case "$LD" in # libtool.m4 will add one of these switches to LD | |
| 2034 *-32|*"-32 ") libsuff= shlibsuff= libmagic=32-bit;; | |
| 2035 *-n32|*"-n32 ") libsuff=32 shlibsuff=N32 libmagic=N32;; | |
| 2036 *-64|*"-64 ") libsuff=64 shlibsuff=64 libmagic=64-bit;; | |
| 2037 *) libsuff= shlibsuff= libmagic=never-match;; | |
| 2038 esac | |
| 2039 ;; | |
| 2040 esac | |
| 2041 shlibpath_var=LD_LIBRARY${shlibsuff}_PATH | |
| 2042 shlibpath_overrides_runpath=no | |
| 2043 sys_lib_search_path_spec="/usr/lib${libsuff} /lib${libsuff} /usr/local/lib${libsuff}" | |
| 2044 sys_lib_dlsearch_path_spec="/usr/lib${libsuff} /lib${libsuff}" | |
| 2045 file_magic_cmd=/usr/bin/file | |
| 2046 file_magic_test_file=`echo /lib${libsuff}/libc.so*` | |
| 2047 deplibs_check_method='pass_all' | |
| 2048 ;; | |
| 2049 | |
| 2050 # No shared lib support for Linux oldld, aout, or coff. | |
| 2051 linux-gnuoldld* | linux-gnuaout* | linux-gnucoff*) | |
| 2052 dynamic_linker=no | |
| 2053 ;; | |
| 2054 | |
| 2055 # This must be Linux ELF. | |
| 2056 linux-gnu*) | |
| 2057 version_type=linux | |
| 2058 need_lib_prefix=no | |
| 2059 need_version=no | |
| 2060 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' | |
| 2061 soname_spec='${libname}${release}.so$major' | |
| 2062 finish_cmds='PATH="\$PATH:/sbin" ldconfig -n $libdir' | |
| 2063 shlibpath_var=LD_LIBRARY_PATH | |
| 2064 shlibpath_overrides_runpath=no | |
| 2065 deplibs_check_method=pass_all | |
| 2066 | |
| 2067 if test -f /lib/ld.so.1; then | |
| 2068 dynamic_linker='GNU ld.so' | |
| 2069 else | |
| 2070 # Only the GNU ld.so supports shared libraries on MkLinux. | |
| 2071 case "$host_cpu" in | |
| 2072 powerpc*) dynamic_linker=no ;; | |
| 2073 *) dynamic_linker='Linux ld.so' ;; | |
| 2074 esac | |
| 2075 fi | |
| 2076 ;; | |
| 2077 | |
| 2078 netbsd*) | |
| 2079 version_type=sunos | |
| 2080 if echo __ELF__ | $CC -E - | grep __ELF__ >/dev/null; then | |
| 2081 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' | |
| 2082 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' | |
| 2083 dynamic_linker='NetBSD (a.out) ld.so' | |
| 2084 else | |
| 2085 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major ${libname}${release}.so ${libname}.so' | |
| 2086 soname_spec='${libname}${release}.so$major' | |
| 2087 dynamic_linker='NetBSD ld.elf_so' | |
| 2088 fi | |
| 2089 shlibpath_var=LD_LIBRARY_PATH | |
| 40 | 2090 deplibs_check_method='pass_all' |
| 0 | 2091 ;; |
| 2092 | |
| 2093 openbsd*) | |
| 2094 version_type=sunos | |
|
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2095 need_lib_prefix=no |
|
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Sam Lantinga <slouken@libsdl.org>
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|
2096 need_version=no |
|
260
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2097 sys_lib_search_path_spec="/usr/lib" |
|
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2098 sys_lib_dlsearch_path_spec="/usr/lib /usr/local/lib" |
|
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|
2099 file_magic_cmd=/usr/bin/file |
|
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2100 file_magic_test_file=`echo /usr/lib/libc.so.*` |
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2101 if test "`echo __ELF__ | $CC -E - | grep __ELF__`" = "" -o "$host_os-$host_cpu" = "openbsd2.8-powerpc"; then |
|
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2102 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB shared object' |
|
260
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2103 case "$host_os" in |
|
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|
2104 openbsd2.[89] | openbsd2.[89].*) |
|
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2105 shlibpath_overrides_runpath=no |
|
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2106 ;; |
|
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2107 *) |
|
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2108 shlibpath_overrides_runpath=yes |
|
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|
2109 ;; |
|
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2110 esac |
|
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|
2111 else |
|
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|
2112 deplibs_check_method='file_magic OpenBSD.* shared library' |
|
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|
2113 shlibpath_overrides_runpath=yes |
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|
2114 fi |
| 0 | 2115 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' |
| 2116 finish_cmds='PATH="\$PATH:/sbin" ldconfig -m $libdir' | |
| 2117 shlibpath_var=LD_LIBRARY_PATH | |
|
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|
2118 deplibs_check_method='pass_all' |
| 0 | 2119 ;; |
| 2120 | |
| 2121 os2*) | |
| 2122 libname_spec='$name' | |
| 2123 need_lib_prefix=no | |
| 2124 library_names_spec='$libname.dll $libname.a' | |
| 2125 dynamic_linker='OS/2 ld.exe' | |
| 2126 shlibpath_var=LIBPATH | |
| 2127 ;; | |
| 2128 | |
| 2129 osf3* | osf4* | osf5*) | |
| 2130 version_type=osf | |
| 2131 need_version=no | |
| 2132 soname_spec='${libname}${release}.so' | |
| 2133 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so $libname.so' | |
| 2134 shlibpath_var=LD_LIBRARY_PATH | |
| 2135 # this will be overridden with pass_all, but let us keep it just in case | |
| 2136 deplibs_check_method='file_magic COFF format alpha shared library' | |
| 2137 file_magic_cmd=/usr/bin/file | |
| 2138 file_magic_test_file=/shlib/libc.so | |
| 2139 deplibs_check_method='pass_all' | |
| 2140 sys_lib_search_path_spec="/usr/shlib /usr/ccs/lib /usr/lib/cmplrs/cc /usr/lib /usr/local/lib /var/shlib" | |
| 2141 sys_lib_dlsearch_path_spec="$sys_lib_search_path_spec" | |
| 2142 ;; | |
| 2143 | |
| 2144 rhapsody*) | |
| 2145 version_type=sunos | |
| 2146 library_names_spec='${libname}.so' | |
| 2147 soname_spec='${libname}.so' | |
| 2148 shlibpath_var=DYLD_LIBRARY_PATH | |
| 2149 deplibs_check_method=pass_all | |
| 2150 ;; | |
| 2151 | |
| 2152 sco3.2v5*) | |
| 2153 version_type=osf | |
| 2154 soname_spec='${libname}${release}.so$major' | |
| 2155 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' | |
| 2156 shlibpath_var=LD_LIBRARY_PATH | |
| 2157 ;; | |
| 2158 | |
| 2159 solaris*) | |
| 2160 version_type=linux | |
| 2161 need_lib_prefix=no | |
| 2162 need_version=no | |
| 2163 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' | |
| 2164 soname_spec='${libname}${release}.so$major' | |
| 2165 shlibpath_var=LD_LIBRARY_PATH | |
| 2166 shlibpath_overrides_runpath=yes | |
| 2167 # ldd complains unless libraries are executable | |
| 2168 postinstall_cmds='chmod +x $lib' | |
| 2169 deplibs_check_method="file_magic ELF [0-9][0-9]-bit [LM]SB dynamic lib" | |
| 2170 file_magic_cmd=/usr/bin/file | |
| 2171 file_magic_test_file=/lib/libc.so | |
| 2172 ;; | |
| 2173 | |
| 2174 sunos4*) | |
| 2175 version_type=sunos | |
| 2176 library_names_spec='${libname}${release}.so$versuffix ${libname}.so$versuffix' | |
| 2177 finish_cmds='PATH="\$PATH:/usr/etc" ldconfig $libdir' | |
| 2178 shlibpath_var=LD_LIBRARY_PATH | |
| 2179 shlibpath_overrides_runpath=yes | |
| 2180 if test "$with_gnu_ld" = yes; then | |
| 2181 need_lib_prefix=no | |
| 2182 fi | |
| 2183 need_version=yes | |
| 2184 ;; | |
| 2185 | |
| 2186 sysv4 | sysv4.2uw2* | sysv4.3* | sysv5*) | |
| 2187 version_type=linux | |
| 2188 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' | |
| 2189 soname_spec='${libname}${release}.so$major' | |
| 2190 shlibpath_var=LD_LIBRARY_PATH | |
| 2191 case "$host_vendor" in | |
| 2192 sequent) | |
| 2193 file_magic_cmd='/bin/file' | |
| 2194 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [LM]SB (shared object|dynamic lib )' | |
| 2195 ;; | |
| 2196 ncr) | |
| 2197 deplibs_check_method='pass_all' | |
| 2198 ;; | |
| 2199 motorola) | |
| 2200 need_lib_prefix=no | |
| 2201 need_version=no | |
| 2202 shlibpath_overrides_runpath=no | |
| 2203 sys_lib_search_path_spec='/lib /usr/lib /usr/ccs/lib' | |
| 2204 deplibs_check_method='file_magic ELF [0-9][0-9]*-bit [ML]SB (shared object|dynamic lib) M[0-9][0-9]* Version [0-9]' | |
| 2205 file_magic_cmd=/usr/bin/file | |
| 2206 file_magic_test_file=`echo /usr/lib/libc.so*` | |
| 2207 ;; | |
| 2208 esac | |
| 2209 ;; | |
| 2210 | |
| 2211 uts4*) | |
| 2212 version_type=linux | |
| 2213 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' | |
| 2214 soname_spec='${libname}${release}.so$major' | |
| 2215 shlibpath_var=LD_LIBRARY_PATH | |
| 2216 ;; | |
| 2217 | |
| 2218 dgux*) | |
| 2219 version_type=linux | |
| 2220 need_lib_prefix=no | |
| 2221 need_version=no | |
| 2222 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' | |
| 2223 soname_spec='${libname}${release}.so$major' | |
| 2224 shlibpath_var=LD_LIBRARY_PATH | |
| 2225 ;; | |
| 2226 | |
| 2227 sysv4*MP*) | |
| 2228 if test -d /usr/nec ;then | |
| 2229 version_type=linux | |
| 2230 library_names_spec='$libname.so.$versuffix $libname.so.$major $libname.so' | |
| 2231 soname_spec='$libname.so.$major' | |
| 2232 shlibpath_var=LD_LIBRARY_PATH | |
| 2233 fi | |
| 2234 ;; | |
| 2235 | |
| 2236 *) | |
| 2237 dynamic_linker=no | |
| 2238 ;; | |
|
215
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2239 |
|
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|
2240 nto-qnx) |
|
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|
2241 version_type=linux |
|
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|
2242 need_lib_prefix=no |
|
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|
2243 need_version=no |
|
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|
2244 library_names_spec='${libname}${release}.so$versuffix ${libname}${release}.so$major $libname.so' |
|
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2245 soname_spec='${libname}${release}.so$major' |
|
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2246 shlibpath_var=LD_LIBRARY_PATH |
|
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2247 shlibpath_overrides_runpath=yes |
|
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2248 deplibs_check_method='pass_all' |
|
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2249 ;; |
| 0 | 2250 esac |
| 2251 echo "$ac_t$dynamic_linker" 1>&6 | |
| 2252 test "$dynamic_linker" = no && can_build_shared=no | |
| 2253 | |
| 2254 # Report the final consequences. | |
| 2255 echo "checking if libtool supports shared libraries... $can_build_shared" 1>&6 | |
| 2256 | |
| 2257 # Only try to build win32 dlls if AC_LIBTOOL_WIN32_DLL was used in | |
| 2258 # configure.in, otherwise build static only libraries. | |
| 2259 case "$host_os" in | |
| 2260 cygwin* | mingw* | os2*) | |
| 2261 if test x$can_build_shared = xyes; then | |
| 2262 test x$enable_win32_dll = xno && can_build_shared=no | |
| 2263 echo "checking if package supports dlls... $can_build_shared" 1>&6 | |
| 2264 fi | |
| 2265 ;; | |
| 2266 esac | |
| 2267 | |
| 2268 if test -n "$file_magic_test_file" && test -n "$file_magic_cmd"; then | |
| 2269 case "$deplibs_check_method" in | |
| 2270 "file_magic "*) | |
| 2271 file_magic_regex="`expr \"$deplibs_check_method\" : \"file_magic \(.*\)\"`" | |
| 2272 if eval $file_magic_cmd \$file_magic_test_file 2> /dev/null | | |
| 2273 egrep "$file_magic_regex" > /dev/null; then | |
| 2274 : | |
| 2275 else | |
| 2276 cat <<EOF 1>&2 | |
| 2277 | |
| 2278 *** Warning: the command libtool uses to detect shared libraries, | |
| 2279 *** $file_magic_cmd, produces output that libtool cannot recognize. | |
| 2280 *** The result is that libtool may fail to recognize shared libraries | |
| 2281 *** as such. This will affect the creation of libtool libraries that | |
| 2282 *** depend on shared libraries, but programs linked with such libtool | |
| 2283 *** libraries will work regardless of this problem. Nevertheless, you | |
| 2284 *** may want to report the problem to your system manager and/or to | |
| 2285 *** bug-libtool@gnu.org | |
| 2286 | |
| 2287 EOF | |
| 2288 fi ;; | |
| 2289 esac | |
| 2290 fi | |
| 2291 | |
| 2292 echo $ac_n "checking whether to build shared libraries... $ac_c" 1>&6 | |
| 2293 test "$can_build_shared" = "no" && enable_shared=no | |
| 2294 | |
| 2295 # On AIX, shared libraries and static libraries use the same namespace, and | |
| 2296 # are all built from PIC. | |
| 2297 case "$host_os" in | |
| 2298 aix3*) | |
| 2299 test "$enable_shared" = yes && enable_static=no | |
| 2300 if test -n "$RANLIB"; then | |
| 2301 archive_cmds="$archive_cmds~\$RANLIB \$lib" | |
| 2302 postinstall_cmds='$RANLIB $lib' | |
| 2303 fi | |
| 2304 ;; | |
| 2305 | |
| 2306 aix4*) | |
| 2307 test "$enable_shared" = yes && enable_static=no | |
| 2308 ;; | |
| 2309 esac | |
| 2310 | |
| 2311 echo "$ac_t$enable_shared" 1>&6 | |
| 2312 | |
| 2313 # Make sure either enable_shared or enable_static is yes. | |
| 2314 test "$enable_shared" = yes || enable_static=yes | |
| 2315 | |
| 2316 echo "checking whether to build static libraries... $enable_static" 1>&6 | |
| 2317 | |
| 2318 if test "$hardcode_action" = relink; then | |
| 2319 # Fast installation is not supported | |
| 2320 enable_fast_install=no | |
| 2321 elif test "$shlibpath_overrides_runpath" = yes || | |
| 2322 test "$enable_shared" = no; then | |
| 2323 # Fast installation is not necessary | |
| 2324 enable_fast_install=needless | |
| 2325 fi | |
| 2326 | |
| 2327 echo $ac_n "checking for objdir... $ac_c" 1>&6 | |
| 2328 rm -f .libs 2>/dev/null | |
| 2329 mkdir .libs 2>/dev/null | |
| 2330 if test -d .libs; then | |
| 2331 objdir=.libs | |
| 2332 else | |
| 2333 # MS-DOS does not allow filenames that begin with a dot. | |
| 2334 objdir=_libs | |
| 2335 fi | |
| 2336 rmdir .libs 2>/dev/null | |
| 2337 echo "$ac_t$objdir" 1>&6 | |
| 2338 | |
| 2339 if test "x$enable_dlopen" != xyes; then | |
| 2340 enable_dlopen=unknown | |
| 2341 enable_dlopen_self=unknown | |
| 2342 enable_dlopen_self_static=unknown | |
| 2343 else | |
| 2344 if eval "test \"`echo '$''{'lt_cv_dlopen'+set}'`\" != set"; then | |
| 2345 lt_cv_dlopen=no lt_cv_dlopen_libs= | |
| 2346 echo $ac_n "checking for dlopen in -ldl""... $ac_c" 1>&6 | |
| 2347 echo "$progname:2248: checking for dlopen in -ldl" >&5 | |
| 2348 ac_lib_var=`echo dl'_'dlopen | sed 'y%./+-%__p_%'` | |
| 2349 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then | |
| 2350 echo $ac_n "(cached) $ac_c" 1>&6 | |
| 2351 else | |
| 2352 ac_save_LIBS="$LIBS" | |
| 2353 LIBS="-ldl $LIBS" | |
| 2354 cat > conftest.$ac_ext <<EOF | |
| 2355 #line 2256 "ltconfig" | |
| 2356 /* Override any gcc2 internal prototype to avoid an error. */ | |
| 2357 /* We use char because int might match the return type of a gcc2 | |
| 2358 builtin and then its argument prototype would still apply. */ | |
| 2359 #ifdef __cplusplus | |
| 2360 extern "C" | |
| 2361 #endif | |
| 2362 char dlopen(); | |
| 2363 | |
| 2364 int main() { | |
| 2365 dlopen() | |
| 2366 ; return 0; } | |
| 2367 EOF | |
| 2368 if { (eval echo $progname:2269: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then | |
| 2369 rm -rf conftest* | |
| 2370 eval "ac_cv_lib_$ac_lib_var=yes" | |
| 2371 else | |
| 2372 echo "$progname: failed program was:" >&5 | |
| 2373 cat conftest.$ac_ext >&5 | |
| 2374 rm -rf conftest* | |
| 2375 eval "ac_cv_lib_$ac_lib_var=no" | |
| 2376 fi | |
| 2377 rm -f conftest* | |
| 2378 LIBS="$ac_save_LIBS" | |
| 2379 | |
| 2380 fi | |
| 2381 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then | |
| 2382 echo "$ac_t""yes" 1>&6 | |
| 2383 lt_cv_dlopen="dlopen" lt_cv_dlopen_libs="-ldl" | |
| 2384 else | |
| 2385 echo "$ac_t""no" 1>&6 | |
| 2386 echo $ac_n "checking for dlopen""... $ac_c" 1>&6 | |
| 2387 echo "$progname:2288: checking for dlopen" >&5 | |
| 2388 if eval "test \"`echo '$''{'ac_cv_func_dlopen'+set}'`\" = set"; then | |
| 2389 echo $ac_n "(cached) $ac_c" 1>&6 | |
| 2390 else | |
| 2391 cat > conftest.$ac_ext <<EOF | |
| 2392 #line 2293 "ltconfig" | |
| 2393 /* System header to define __stub macros and hopefully few prototypes, | |
| 2394 which can conflict with char dlopen(); below. */ | |
| 2395 #include <assert.h> | |
| 2396 /* Override any gcc2 internal prototype to avoid an error. */ | |
| 2397 /* We use char because int might match the return type of a gcc2 | |
| 2398 builtin and then its argument prototype would still apply. */ | |
| 2399 #ifdef __cplusplus | |
| 2400 extern "C" | |
| 2401 #endif | |
| 2402 char dlopen(); | |
| 2403 | |
| 2404 int main() { | |
| 2405 | |
| 2406 /* The GNU C library defines this for functions which it implements | |
| 2407 to always fail with ENOSYS. Some functions are actually named | |
| 2408 something starting with __ and the normal name is an alias. */ | |
| 2409 #if defined (__stub_dlopen) || defined (__stub___dlopen) | |
| 2410 choke me | |
| 2411 #else | |
| 2412 dlopen(); | |
| 2413 #endif | |
| 2414 | |
| 2415 ; return 0; } | |
| 2416 EOF | |
| 2417 if { (eval echo $progname:2318: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then | |
| 2418 rm -rf conftest* | |
| 2419 eval "ac_cv_func_dlopen=yes" | |
| 2420 else | |
| 2421 echo "$progname: failed program was:" >&5 | |
| 2422 cat conftest.$ac_ext >&5 | |
| 2423 rm -rf conftest* | |
| 2424 eval "ac_cv_func_dlopen=no" | |
| 2425 fi | |
| 2426 rm -f conftest* | |
| 2427 fi | |
| 2428 if eval "test \"`echo '$ac_cv_func_'dlopen`\" = yes"; then | |
| 2429 echo "$ac_t""yes" 1>&6 | |
| 2430 lt_cv_dlopen="dlopen" | |
| 2431 else | |
| 2432 echo "$ac_t""no" 1>&6 | |
| 2433 echo $ac_n "checking for dld_link in -ldld""... $ac_c" 1>&6 | |
| 2434 echo "$progname:2335: checking for dld_link in -ldld" >&5 | |
| 2435 ac_lib_var=`echo dld'_'dld_link | sed 'y%./+-%__p_%'` | |
| 2436 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then | |
| 2437 echo $ac_n "(cached) $ac_c" 1>&6 | |
| 2438 else | |
| 2439 ac_save_LIBS="$LIBS" | |
| 2440 LIBS="-ldld $LIBS" | |
| 2441 cat > conftest.$ac_ext <<EOF | |
| 2442 #line 2343 "ltconfig" | |
| 2443 /* Override any gcc2 internal prototype to avoid an error. */ | |
| 2444 /* We use char because int might match the return type of a gcc2 | |
| 2445 builtin and then its argument prototype would still apply. */ | |
| 2446 #ifdef __cplusplus | |
| 2447 extern "C" | |
| 2448 #endif | |
| 2449 char dld_link(); | |
| 2450 | |
| 2451 int main() { | |
| 2452 dld_link() | |
| 2453 ; return 0; } | |
| 2454 EOF | |
| 2455 if { (eval echo $progname:2356: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then | |
| 2456 rm -rf conftest* | |
| 2457 eval "ac_cv_lib_$ac_lib_var=yes" | |
| 2458 else | |
| 2459 echo "$progname: failed program was:" >&5 | |
| 2460 cat conftest.$ac_ext >&5 | |
| 2461 rm -rf conftest* | |
| 2462 eval "ac_cv_lib_$ac_lib_var=no" | |
| 2463 fi | |
| 2464 rm -f conftest* | |
| 2465 LIBS="$ac_save_LIBS" | |
| 2466 | |
| 2467 fi | |
| 2468 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then | |
| 2469 echo "$ac_t""yes" 1>&6 | |
| 2470 lt_cv_dlopen="dld_link" lt_cv_dlopen_libs="-ldld" | |
| 2471 else | |
| 2472 echo "$ac_t""no" 1>&6 | |
| 2473 echo $ac_n "checking for shl_load""... $ac_c" 1>&6 | |
| 2474 echo "$progname:2375: checking for shl_load" >&5 | |
| 2475 if eval "test \"`echo '$''{'ac_cv_func_shl_load'+set}'`\" = set"; then | |
| 2476 echo $ac_n "(cached) $ac_c" 1>&6 | |
| 2477 else | |
| 2478 cat > conftest.$ac_ext <<EOF | |
| 2479 #line 2380 "ltconfig" | |
| 2480 /* System header to define __stub macros and hopefully few prototypes, | |
| 2481 which can conflict with char shl_load(); below. */ | |
| 2482 #include <assert.h> | |
| 2483 /* Override any gcc2 internal prototype to avoid an error. */ | |
| 2484 /* We use char because int might match the return type of a gcc2 | |
| 2485 builtin and then its argument prototype would still apply. */ | |
| 2486 #ifdef __cplusplus | |
| 2487 extern "C" | |
| 2488 #endif | |
| 2489 char shl_load(); | |
| 2490 | |
| 2491 int main() { | |
| 2492 | |
| 2493 /* The GNU C library defines this for functions which it implements | |
| 2494 to always fail with ENOSYS. Some functions are actually named | |
| 2495 something starting with __ and the normal name is an alias. */ | |
| 2496 #if defined (__stub_shl_load) || defined (__stub___shl_load) | |
| 2497 choke me | |
| 2498 #else | |
| 2499 shl_load(); | |
| 2500 #endif | |
| 2501 | |
| 2502 ; return 0; } | |
| 2503 EOF | |
| 2504 if { (eval echo $progname:2405: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then | |
| 2505 rm -rf conftest* | |
| 2506 eval "ac_cv_func_shl_load=yes" | |
| 2507 else | |
| 2508 echo "$progname: failed program was:" >&5 | |
| 2509 cat conftest.$ac_ext >&5 | |
| 2510 rm -rf conftest* | |
| 2511 eval "ac_cv_func_shl_load=no" | |
| 2512 fi | |
| 2513 rm -f conftest* | |
| 2514 fi | |
| 2515 | |
| 2516 if eval "test \"`echo '$ac_cv_func_'shl_load`\" = yes"; then | |
| 2517 echo "$ac_t""yes" 1>&6 | |
| 2518 lt_cv_dlopen="shl_load" | |
| 2519 else | |
| 2520 echo "$ac_t""no" 1>&6 | |
| 2521 echo $ac_n "checking for shl_load in -ldld""... $ac_c" 1>&6 | |
| 2522 echo "$progname:2423: checking for shl_load in -ldld" >&5 | |
| 2523 ac_lib_var=`echo dld'_'shl_load | sed 'y%./+-%__p_%'` | |
| 2524 if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then | |
| 2525 echo $ac_n "(cached) $ac_c" 1>&6 | |
| 2526 else | |
| 2527 ac_save_LIBS="$LIBS" | |
| 2528 LIBS="-ldld $LIBS" | |
| 2529 cat > conftest.$ac_ext <<EOF | |
| 2530 #line 2431 "ltconfig" | |
| 2531 #include "confdefs.h" | |
| 2532 /* Override any gcc2 internal prototype to avoid an error. */ | |
| 2533 /* We use char because int might match the return type of a gcc2 | |
| 2534 builtin and then its argument prototype would still apply. */ | |
| 2535 #ifdef __cplusplus | |
| 2536 extern "C" | |
| 2537 #endif | |
| 2538 char shl_load(); | |
| 2539 | |
| 2540 int main() { | |
| 2541 shl_load() | |
| 2542 ; return 0; } | |
| 2543 EOF | |
| 2544 if { (eval echo $progname:2445: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then | |
| 2545 rm -rf conftest* | |
| 2546 eval "ac_cv_lib_$ac_lib_var=yes" | |
| 2547 else | |
| 2548 echo "$progname: failed program was:" >&5 | |
| 2549 cat conftest.$ac_ext >&5 | |
| 2550 rm -rf conftest* | |
| 2551 eval "ac_cv_lib_$ac_lib_var=no" | |
| 2552 fi | |
| 2553 rm -f conftest* | |
| 2554 LIBS="$ac_save_LIBS" | |
| 2555 | |
| 2556 fi | |
| 2557 if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then | |
| 2558 echo "$ac_t""yes" 1>&6 | |
| 2559 lt_cv_dlopen="shl_load" lt_cv_dlopen_libs="-ldld" | |
| 2560 else | |
| 2561 echo "$ac_t""no" 1>&6 | |
| 2562 fi | |
| 2563 | |
| 2564 | |
| 2565 fi | |
| 2566 | |
| 2567 | |
| 2568 fi | |
| 2569 | |
| 2570 | |
| 2571 fi | |
| 2572 | |
| 2573 | |
| 2574 fi | |
| 2575 | |
| 2576 fi | |
| 2577 | |
| 2578 if test "x$lt_cv_dlopen" != xno; then | |
| 2579 enable_dlopen=yes | |
| 2580 fi | |
| 2581 | |
| 2582 case "$lt_cv_dlopen" in | |
| 2583 dlopen) | |
| 2584 for ac_hdr in dlfcn.h; do | |
| 2585 ac_safe=`echo "$ac_hdr" | sed 'y%./+-%__p_%'` | |
| 2586 echo $ac_n "checking for $ac_hdr""... $ac_c" 1>&6 | |
| 2587 echo "$progname:2488: checking for $ac_hdr" >&5 | |
| 2588 if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then | |
| 2589 echo $ac_n "(cached) $ac_c" 1>&6 | |
| 2590 else | |
| 2591 cat > conftest.$ac_ext <<EOF | |
| 2592 #line 2493 "ltconfig" | |
| 2593 #include <$ac_hdr> | |
| 2594 int fnord = 0; | |
| 2595 EOF | |
| 2596 ac_try="$ac_compile >/dev/null 2>conftest.out" | |
| 2597 { (eval echo $progname:2498: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } | |
| 2598 ac_err=`grep -v '^ *+' conftest.out | grep -v "^conftest.${ac_ext}\$"` | |
| 2599 if test -z "$ac_err"; then | |
| 2600 rm -rf conftest* | |
| 2601 eval "ac_cv_header_$ac_safe=yes" | |
| 2602 else | |
| 2603 echo "$ac_err" >&5 | |
| 2604 echo "$progname: failed program was:" >&5 | |
| 2605 cat conftest.$ac_ext >&5 | |
| 2606 rm -rf conftest* | |
| 2607 eval "ac_cv_header_$ac_safe=no" | |
| 2608 fi | |
| 2609 rm -f conftest* | |
| 2610 fi | |
| 2611 if eval "test \"`echo '$ac_cv_header_'$ac_safe`\" = yes"; then | |
| 2612 echo "$ac_t""yes" 1>&6 | |
| 2613 else | |
| 2614 echo "$ac_t""no" 1>&6 | |
| 2615 fi | |
| 2616 done | |
| 2617 | |
| 2618 if test "x$ac_cv_header_dlfcn_h" = xyes; then | |
| 2619 CPPFLAGS="$CPPFLAGS -DHAVE_DLFCN_H" | |
| 2620 fi | |
| 2621 eval LDFLAGS=\"\$LDFLAGS $export_dynamic_flag_spec\" | |
| 2622 LIBS="$lt_cv_dlopen_libs $LIBS" | |
| 2623 | |
| 2624 echo $ac_n "checking whether a program can dlopen itself""... $ac_c" 1>&6 | |
| 2625 echo "$progname:2526: checking whether a program can dlopen itself" >&5 | |
| 2626 if test "${lt_cv_dlopen_self+set}" = set; then | |
| 2627 echo $ac_n "(cached) $ac_c" 1>&6 | |
| 2628 else | |
| 2629 if test "$cross_compiling" = yes; then | |
| 2630 lt_cv_dlopen_self=cross | |
| 2631 else | |
| 2632 cat > conftest.c <<EOF | |
| 2633 #line 2534 "ltconfig" | |
| 2634 | |
| 2635 #if HAVE_DLFCN_H | |
| 2636 #include <dlfcn.h> | |
| 2637 #endif | |
| 2638 | |
| 2639 #include <stdio.h> | |
| 2640 | |
| 2641 #ifdef RTLD_GLOBAL | |
| 2642 # define LTDL_GLOBAL RTLD_GLOBAL | |
| 2643 #else | |
| 2644 # ifdef DL_GLOBAL | |
| 2645 # define LTDL_GLOBAL DL_GLOBAL | |
| 2646 # else | |
| 2647 # define LTDL_GLOBAL 0 | |
| 2648 # endif | |
| 2649 #endif | |
| 2650 | |
| 2651 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we | |
| 2652 find out it does not work in some platform. */ | |
| 2653 #ifndef LTDL_LAZY_OR_NOW | |
| 2654 # ifdef RTLD_LAZY | |
| 2655 # define LTDL_LAZY_OR_NOW RTLD_LAZY | |
| 2656 # else | |
| 2657 # ifdef DL_LAZY | |
| 2658 # define LTDL_LAZY_OR_NOW DL_LAZY | |
| 2659 # else | |
| 2660 # ifdef RTLD_NOW | |
| 2661 # define LTDL_LAZY_OR_NOW RTLD_NOW | |
| 2662 # else | |
| 2663 # ifdef DL_NOW | |
| 2664 # define LTDL_LAZY_OR_NOW DL_NOW | |
| 2665 # else | |
| 2666 # define LTDL_LAZY_OR_NOW 0 | |
| 2667 # endif | |
| 2668 # endif | |
| 2669 # endif | |
| 2670 # endif | |
| 2671 #endif | |
| 2672 | |
| 2673 fnord() { int i=42;} | |
| 2674 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); | |
| 2675 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); | |
| 2676 if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } | |
| 2677 | |
| 2678 EOF | |
| 2679 if { (eval echo $progname:2580: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null | |
| 2680 then | |
| 2681 lt_cv_dlopen_self=yes | |
| 2682 else | |
| 2683 echo "$progname: failed program was:" >&5 | |
| 2684 cat conftest.$ac_ext >&5 | |
| 2685 rm -fr conftest* | |
| 2686 lt_cv_dlopen_self=no | |
| 2687 fi | |
| 2688 rm -fr conftest* | |
| 2689 fi | |
| 2690 | |
| 2691 fi | |
| 2692 | |
| 2693 echo "$ac_t""$lt_cv_dlopen_self" 1>&6 | |
| 2694 | |
| 2695 if test "$lt_cv_dlopen_self" = yes; then | |
| 2696 LDFLAGS="$LDFLAGS $link_static_flag" | |
| 2697 echo $ac_n "checking whether a statically linked program can dlopen itself""... $ac_c" 1>&6 | |
| 2698 echo "$progname:2599: checking whether a statically linked program can dlopen itself" >&5 | |
| 2699 if test "${lt_cv_dlopen_self_static+set}" = set; then | |
| 2700 echo $ac_n "(cached) $ac_c" 1>&6 | |
| 2701 else | |
| 2702 if test "$cross_compiling" = yes; then | |
| 2703 lt_cv_dlopen_self_static=cross | |
| 2704 else | |
| 2705 cat > conftest.c <<EOF | |
| 2706 #line 2607 "ltconfig" | |
| 2707 | |
| 2708 #if HAVE_DLFCN_H | |
| 2709 #include <dlfcn.h> | |
| 2710 #endif | |
| 2711 | |
| 2712 #include <stdio.h> | |
| 2713 | |
| 2714 #ifdef RTLD_GLOBAL | |
| 2715 # define LTDL_GLOBAL RTLD_GLOBAL | |
| 2716 #else | |
| 2717 # ifdef DL_GLOBAL | |
| 2718 # define LTDL_GLOBAL DL_GLOBAL | |
| 2719 # else | |
| 2720 # define LTDL_GLOBAL 0 | |
| 2721 # endif | |
| 2722 #endif | |
| 2723 | |
| 2724 /* We may have to define LTDL_LAZY_OR_NOW in the command line if we | |
| 2725 find out it does not work in some platform. */ | |
| 2726 #ifndef LTDL_LAZY_OR_NOW | |
| 2727 # ifdef RTLD_LAZY | |
| 2728 # define LTDL_LAZY_OR_NOW RTLD_LAZY | |
| 2729 # else | |
| 2730 # ifdef DL_LAZY | |
| 2731 # define LTDL_LAZY_OR_NOW DL_LAZY | |
| 2732 # else | |
| 2733 # ifdef RTLD_NOW | |
| 2734 # define LTDL_LAZY_OR_NOW RTLD_NOW | |
| 2735 # else | |
| 2736 # ifdef DL_NOW | |
| 2737 # define LTDL_LAZY_OR_NOW DL_NOW | |
| 2738 # else | |
| 2739 # define LTDL_LAZY_OR_NOW 0 | |
| 2740 # endif | |
| 2741 # endif | |
| 2742 # endif | |
| 2743 # endif | |
| 2744 #endif | |
| 2745 | |
| 2746 fnord() { int i=42;} | |
| 2747 main() { void *self, *ptr1, *ptr2; self=dlopen(0,LTDL_GLOBAL|LTDL_LAZY_OR_NOW); | |
| 2748 if(self) { ptr1=dlsym(self,"fnord"); ptr2=dlsym(self,"_fnord"); | |
| 2749 if(ptr1 || ptr2) { dlclose(self); exit(0); } } exit(1); } | |
| 2750 | |
| 2751 EOF | |
| 2752 if { (eval echo $progname:2653: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null | |
| 2753 then | |
| 2754 lt_cv_dlopen_self_static=yes | |
| 2755 else | |
| 2756 echo "$progname: failed program was:" >&5 | |
| 2757 cat conftest.$ac_ext >&5 | |
| 2758 rm -fr conftest* | |
| 2759 lt_cv_dlopen_self_static=no | |
| 2760 fi | |
| 2761 rm -fr conftest* | |
| 2762 fi | |
| 2763 | |
| 2764 fi | |
| 2765 | |
| 2766 echo "$ac_t""$lt_cv_dlopen_self_static" 1>&6 | |
| 2767 fi | |
| 2768 ;; | |
| 2769 esac | |
| 2770 | |
| 2771 case "$lt_cv_dlopen_self" in | |
| 2772 yes|no) enable_dlopen_self=$lt_cv_dlopen_self ;; | |
| 2773 *) enable_dlopen_self=unknown ;; | |
| 2774 esac | |
| 2775 | |
| 2776 case "$lt_cv_dlopen_self_static" in | |
| 2777 yes|no) enable_dlopen_self_static=$lt_cv_dlopen_self_static ;; | |
| 2778 *) enable_dlopen_self_static=unknown ;; | |
| 2779 esac | |
| 2780 fi | |
| 2781 | |
| 2782 # Copy echo and quote the copy, instead of the original, because it is | |
| 2783 # used later. | |
| 2784 ltecho="$echo" | |
| 2785 if test "X$ltecho" = "X$CONFIG_SHELL $0 --fallback-echo"; then | |
| 2786 ltecho="$CONFIG_SHELL \$0 --fallback-echo" | |
| 2787 fi | |
| 2788 LTSHELL="$SHELL" | |
| 2789 | |
| 2790 LTCONFIG_VERSION="$VERSION" | |
| 2791 | |
| 2792 # Only quote variables if we're using ltmain.sh. | |
| 2793 case "$ltmain" in | |
| 2794 *.sh) | |
| 2795 # Now quote all the things that may contain metacharacters. | |
| 2796 for var in ltecho old_CC old_CFLAGS old_CPPFLAGS \ | |
| 2797 old_LD old_LDFLAGS old_LIBS \ | |
| 2798 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS \ | |
| 2799 AR CC LD LN_S NM LTSHELL LTCONFIG_VERSION \ | |
| 2800 reload_flag reload_cmds wl \ | |
| 2801 pic_flag link_static_flag no_builtin_flag export_dynamic_flag_spec \ | |
| 2802 thread_safe_flag_spec whole_archive_flag_spec libname_spec \ | |
| 2803 library_names_spec soname_spec \ | |
| 2804 RANLIB old_archive_cmds old_archive_from_new_cmds old_postinstall_cmds \ | |
| 2805 old_postuninstall_cmds archive_cmds archive_expsym_cmds postinstall_cmds postuninstall_cmds \ | |
| 2806 file_magic_cmd export_symbols_cmds deplibs_check_method allow_undefined_flag no_undefined_flag \ | |
| 2807 finish_cmds finish_eval global_symbol_pipe global_symbol_to_cdecl \ | |
| 2808 hardcode_libdir_flag_spec hardcode_libdir_separator \ | |
| 2809 sys_lib_search_path_spec sys_lib_dlsearch_path_spec \ | |
| 2810 compiler_c_o compiler_o_lo need_locks exclude_expsyms include_expsyms; do | |
| 2811 | |
| 2812 case "$var" in | |
| 2813 reload_cmds | old_archive_cmds | old_archive_from_new_cmds | \ | |
| 2814 old_postinstall_cmds | old_postuninstall_cmds | \ | |
| 2815 export_symbols_cmds | archive_cmds | archive_expsym_cmds | \ | |
| 2816 postinstall_cmds | postuninstall_cmds | \ | |
| 2817 finish_cmds | sys_lib_search_path_spec | sys_lib_dlsearch_path_spec) | |
| 2818 # Double-quote double-evaled strings. | |
| 2819 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$double_quote_subst\" -e \"\$sed_quote_subst\" -e \"\$delay_variable_subst\"\`\\\"" | |
| 2820 ;; | |
| 2821 *) | |
| 2822 eval "$var=\\\"\`\$echo \"X\$$var\" | \$Xsed -e \"\$sed_quote_subst\"\`\\\"" | |
| 2823 ;; | |
| 2824 esac | |
| 2825 done | |
| 2826 | |
| 2827 case "$ltecho" in | |
| 2828 *'\$0 --fallback-echo"') | |
| 2829 ltecho=`$echo "X$ltecho" | $Xsed -e 's/\\\\\\\$0 --fallback-echo"$/$0 --fallback-echo"/'` | |
| 2830 ;; | |
| 2831 esac | |
| 2832 | |
| 2833 trap "$rm \"$ofile\"; exit 1" 1 2 15 | |
| 2834 echo "creating $ofile" | |
| 2835 $rm "$ofile" | |
| 2836 cat <<EOF > "$ofile" | |
| 2837 #! $SHELL | |
| 2838 | |
| 2839 # `$echo "$ofile" | sed 's%^.*/%%'` - Provide generalized library-building support services. | |
| 2840 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP) | |
| 2841 # NOTE: Changes made to this file will be lost: look at ltconfig or ltmain.sh. | |
| 2842 # | |
| 2843 # Copyright (C) 1996-1999 Free Software Foundation, Inc. | |
| 2844 # Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 | |
| 2845 # | |
| 2846 # This program is free software; you can redistribute it and/or modify | |
| 2847 # it under the terms of the GNU General Public License as published by | |
| 2848 # the Free Software Foundation; either version 2 of the License, or | |
| 2849 # (at your option) any later version. | |
| 2850 # | |
| 2851 # This program is distributed in the hope that it will be useful, but | |
| 2852 # WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 2853 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 2854 # General Public License for more details. | |
| 2855 # | |
| 2856 # You should have received a copy of the GNU General Public License | |
| 2857 # along with this program; if not, write to the Free Software | |
| 2858 # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 2859 # | |
| 2860 # As a special exception to the GNU General Public License, if you | |
| 2861 # distribute this file as part of a program that contains a | |
| 2862 # configuration script generated by Autoconf, you may include it under | |
| 2863 # the same distribution terms that you use for the rest of that program. | |
| 2864 | |
| 2865 # Sed that helps us avoid accidentally triggering echo(1) options like -n. | |
| 2866 Xsed="sed -e s/^X//" | |
| 2867 | |
| 2868 # The HP-UX ksh and POSIX shell print the target directory to stdout | |
| 2869 # if CDPATH is set. | |
| 2870 if test "X\${CDPATH+set}" = Xset; then CDPATH=:; export CDPATH; fi | |
| 2871 | |
| 2872 ### BEGIN LIBTOOL CONFIG | |
| 2873 EOF | |
| 2874 cfgfile="$ofile" | |
| 2875 ;; | |
| 2876 | |
| 2877 *) | |
| 2878 # Double-quote the variables that need it (for aesthetics). | |
| 2879 for var in old_CC old_CFLAGS old_CPPFLAGS \ | |
| 2880 old_LD old_LDFLAGS old_LIBS \ | |
| 2881 old_NM old_RANLIB old_LN_S old_DLLTOOL old_OBJDUMP old_AS; do | |
| 2882 eval "$var=\\\"\$var\\\"" | |
| 2883 done | |
| 2884 | |
| 2885 # Just create a config file. | |
| 2886 cfgfile="$ofile.cfg" | |
| 2887 trap "$rm \"$cfgfile\"; exit 1" 1 2 15 | |
| 2888 echo "creating $cfgfile" | |
| 2889 $rm "$cfgfile" | |
| 2890 cat <<EOF > "$cfgfile" | |
| 2891 # `$echo "$cfgfile" | sed 's%^.*/%%'` - Libtool configuration file. | |
| 2892 # Generated automatically by $PROGRAM (GNU $PACKAGE $VERSION$TIMESTAMP) | |
| 2893 EOF | |
| 2894 ;; | |
| 2895 esac | |
| 2896 | |
| 2897 cat <<EOF >> "$cfgfile" | |
| 2898 # Libtool was configured as follows, on host `(hostname || uname -n) 2>/dev/null | sed 1q`: | |
| 2899 # | |
| 2900 # CC=$old_CC CFLAGS=$old_CFLAGS CPPFLAGS=$old_CPPFLAGS \\ | |
| 2901 # LD=$old_LD LDFLAGS=$old_LDFLAGS LIBS=$old_LIBS \\ | |
| 2902 # NM=$old_NM RANLIB=$old_RANLIB LN_S=$old_LN_S \\ | |
| 2903 # DLLTOOL=$old_DLLTOOL OBJDUMP=$old_OBJDUMP AS=$old_AS \\ | |
| 2904 # $0$ltconfig_args | |
| 2905 # | |
| 2906 # Compiler and other test output produced by $progname, useful for | |
| 2907 # debugging $progname, is in ./config.log if it exists. | |
| 2908 | |
| 2909 # The version of $progname that generated this script. | |
| 2910 LTCONFIG_VERSION=$LTCONFIG_VERSION | |
| 2911 | |
| 2912 # Shell to use when invoking shell scripts. | |
| 2913 SHELL=$LTSHELL | |
| 2914 | |
| 2915 # Whether or not to build shared libraries. | |
| 2916 build_libtool_libs=$enable_shared | |
| 2917 | |
| 2918 # Whether or not to build static libraries. | |
| 2919 build_old_libs=$enable_static | |
| 2920 | |
| 2921 # Whether or not to optimize for fast installation. | |
| 2922 fast_install=$enable_fast_install | |
| 2923 | |
| 2924 # The host system. | |
| 2925 host_alias=$host_alias | |
| 2926 host=$host | |
| 2927 | |
| 2928 # An echo program that does not interpret backslashes. | |
| 2929 echo=$ltecho | |
| 2930 | |
| 2931 # The archiver. | |
| 2932 AR=$AR | |
| 2933 | |
| 2934 # The default C compiler. | |
| 2935 CC=$CC | |
| 2936 | |
| 2937 # The linker used to build libraries. | |
| 2938 LD=$LD | |
| 2939 | |
| 2940 # Whether we need hard or soft links. | |
| 2941 LN_S=$LN_S | |
| 2942 | |
| 2943 # A BSD-compatible nm program. | |
| 2944 NM=$NM | |
| 2945 | |
| 2946 # Used on cygwin: DLL creation program. | |
| 2947 DLLTOOL="$DLLTOOL" | |
| 2948 | |
| 2949 # Used on cygwin: object dumper. | |
| 2950 OBJDUMP="$OBJDUMP" | |
| 2951 | |
| 2952 # Used on cygwin: assembler. | |
| 2953 AS="$AS" | |
| 2954 | |
| 2955 # The name of the directory that contains temporary libtool files. | |
| 2956 objdir=$objdir | |
| 2957 | |
| 2958 # How to create reloadable object files. | |
| 2959 reload_flag=$reload_flag | |
| 2960 reload_cmds=$reload_cmds | |
| 2961 | |
| 2962 # How to pass a linker flag through the compiler. | |
| 2963 wl=$wl | |
| 2964 | |
| 2965 # Object file suffix (normally "o"). | |
| 2966 objext="$objext" | |
| 2967 | |
| 2968 # Old archive suffix (normally "a"). | |
| 2969 libext="$libext" | |
| 2970 | |
| 2971 # Executable file suffix (normally ""). | |
| 2972 exeext="$exeext" | |
| 2973 | |
| 2974 # Additional compiler flags for building library objects. | |
| 2975 pic_flag=$pic_flag | |
| 2976 | |
| 2977 # Does compiler simultaneously support -c and -o options? | |
| 2978 compiler_c_o=$compiler_c_o | |
| 2979 | |
| 2980 # Can we write directly to a .lo ? | |
| 2981 compiler_o_lo=$compiler_o_lo | |
| 2982 | |
| 2983 # Must we lock files when doing compilation ? | |
| 2984 need_locks=$need_locks | |
| 2985 | |
| 2986 # Do we need the lib prefix for modules? | |
| 2987 need_lib_prefix=$need_lib_prefix | |
| 2988 | |
| 2989 # Do we need a version for libraries? | |
| 2990 need_version=$need_version | |
| 2991 | |
| 2992 # Whether dlopen is supported. | |
| 2993 dlopen=$enable_dlopen | |
| 2994 | |
| 2995 # Whether dlopen of programs is supported. | |
| 2996 dlopen_self=$enable_dlopen_self | |
| 2997 | |
| 2998 # Whether dlopen of statically linked programs is supported. | |
| 2999 dlopen_self_static=$enable_dlopen_self_static | |
| 3000 | |
| 3001 # Compiler flag to prevent dynamic linking. | |
| 3002 link_static_flag=$link_static_flag | |
| 3003 | |
| 3004 # Compiler flag to turn off builtin functions. | |
| 3005 no_builtin_flag=$no_builtin_flag | |
| 3006 | |
| 3007 # Compiler flag to allow reflexive dlopens. | |
| 3008 export_dynamic_flag_spec=$export_dynamic_flag_spec | |
| 3009 | |
| 3010 # Compiler flag to generate shared objects directly from archives. | |
| 3011 whole_archive_flag_spec=$whole_archive_flag_spec | |
| 3012 | |
| 3013 # Compiler flag to generate thread-safe objects. | |
| 3014 thread_safe_flag_spec=$thread_safe_flag_spec | |
| 3015 | |
| 3016 # Library versioning type. | |
| 3017 version_type=$version_type | |
| 3018 | |
| 3019 # Format of library name prefix. | |
| 3020 libname_spec=$libname_spec | |
| 3021 | |
| 3022 # List of archive names. First name is the real one, the rest are links. | |
| 3023 # The last name is the one that the linker finds with -lNAME. | |
| 3024 library_names_spec=$library_names_spec | |
| 3025 | |
| 3026 # The coded name of the library, if different from the real name. | |
| 3027 soname_spec=$soname_spec | |
| 3028 | |
| 3029 # Commands used to build and install an old-style archive. | |
| 3030 RANLIB=$RANLIB | |
| 3031 old_archive_cmds=$old_archive_cmds | |
| 3032 old_postinstall_cmds=$old_postinstall_cmds | |
| 3033 old_postuninstall_cmds=$old_postuninstall_cmds | |
| 3034 | |
| 3035 # Create an old-style archive from a shared archive. | |
| 3036 old_archive_from_new_cmds=$old_archive_from_new_cmds | |
| 3037 | |
| 3038 # Commands used to build and install a shared archive. | |
| 3039 archive_cmds=$archive_cmds | |
| 3040 archive_expsym_cmds=$archive_expsym_cmds | |
| 3041 postinstall_cmds=$postinstall_cmds | |
| 3042 postuninstall_cmds=$postuninstall_cmds | |
| 3043 | |
| 3044 # Method to check whether dependent libraries are shared objects. | |
| 3045 deplibs_check_method=$deplibs_check_method | |
| 3046 | |
| 3047 # Command to use when deplibs_check_method == file_magic. | |
| 3048 file_magic_cmd=$file_magic_cmd | |
| 3049 | |
| 3050 # Flag that allows shared libraries with undefined symbols to be built. | |
| 3051 allow_undefined_flag=$allow_undefined_flag | |
| 3052 | |
| 3053 # Flag that forces no undefined symbols. | |
| 3054 no_undefined_flag=$no_undefined_flag | |
| 3055 | |
| 3056 # Commands used to finish a libtool library installation in a directory. | |
| 3057 finish_cmds=$finish_cmds | |
| 3058 | |
| 3059 # Same as above, but a single script fragment to be evaled but not shown. | |
| 3060 finish_eval=$finish_eval | |
| 3061 | |
| 3062 # Take the output of nm and produce a listing of raw symbols and C names. | |
| 3063 global_symbol_pipe=$global_symbol_pipe | |
| 3064 | |
| 3065 # Transform the output of nm in a proper C declaration | |
| 3066 global_symbol_to_cdecl=$global_symbol_to_cdecl | |
| 3067 | |
| 3068 # This is the shared library runtime path variable. | |
| 3069 runpath_var=$runpath_var | |
| 3070 | |
| 3071 # This is the shared library path variable. | |
| 3072 shlibpath_var=$shlibpath_var | |
| 3073 | |
| 3074 # Is shlibpath searched before the hard-coded library search path? | |
| 3075 shlibpath_overrides_runpath=$shlibpath_overrides_runpath | |
| 3076 | |
| 3077 # How to hardcode a shared library path into an executable. | |
| 3078 hardcode_action=$hardcode_action | |
| 3079 | |
| 3080 # Flag to hardcode \$libdir into a binary during linking. | |
| 3081 # This must work even if \$libdir does not exist. | |
| 3082 hardcode_libdir_flag_spec=$hardcode_libdir_flag_spec | |
| 3083 | |
| 3084 # Whether we need a single -rpath flag with a separated argument. | |
| 3085 hardcode_libdir_separator=$hardcode_libdir_separator | |
| 3086 | |
| 3087 # Set to yes if using DIR/libNAME.so during linking hardcodes DIR into the | |
| 3088 # resulting binary. | |
| 3089 hardcode_direct=$hardcode_direct | |
| 3090 | |
| 3091 # Set to yes if using the -LDIR flag during linking hardcodes DIR into the | |
| 3092 # resulting binary. | |
| 3093 hardcode_minus_L=$hardcode_minus_L | |
| 3094 | |
| 3095 # Set to yes if using SHLIBPATH_VAR=DIR during linking hardcodes DIR into | |
| 3096 # the resulting binary. | |
| 3097 hardcode_shlibpath_var=$hardcode_shlibpath_var | |
| 3098 | |
| 3099 # Compile-time system search path for libraries | |
| 3100 sys_lib_search_path_spec=$sys_lib_search_path_spec | |
| 3101 | |
| 3102 # Run-time system search path for libraries | |
| 3103 sys_lib_dlsearch_path_spec=$sys_lib_dlsearch_path_spec | |
| 3104 | |
| 3105 # Fix the shell variable \$srcfile for the compiler. | |
| 3106 fix_srcfile_path="$fix_srcfile_path" | |
| 3107 | |
| 3108 # Set to yes if exported symbols are required. | |
| 3109 always_export_symbols=$always_export_symbols | |
| 3110 | |
| 3111 # The commands to list exported symbols. | |
| 3112 export_symbols_cmds=$export_symbols_cmds | |
| 3113 | |
| 3114 # Symbols that should not be listed in the preloaded symbols. | |
| 3115 exclude_expsyms=$exclude_expsyms | |
| 3116 | |
| 3117 # Symbols that must always be exported. | |
| 3118 include_expsyms=$include_expsyms | |
| 3119 | |
| 3120 EOF | |
| 3121 | |
| 3122 case "$ltmain" in | |
| 3123 *.sh) | |
| 3124 echo '### END LIBTOOL CONFIG' >> "$ofile" | |
| 3125 echo >> "$ofile" | |
| 3126 case "$host_os" in | |
| 3127 aix3*) | |
| 3128 cat <<\EOF >> "$ofile" | |
| 3129 | |
| 3130 # AIX sometimes has problems with the GCC collect2 program. For some | |
| 3131 # reason, if we set the COLLECT_NAMES environment variable, the problems | |
| 3132 # vanish in a puff of smoke. | |
| 3133 if test "X${COLLECT_NAMES+set}" != Xset; then | |
| 3134 COLLECT_NAMES= | |
| 3135 export COLLECT_NAMES | |
| 3136 fi | |
| 3137 EOF | |
| 3138 ;; | |
| 3139 esac | |
| 3140 | |
| 3141 # Append the ltmain.sh script. | |
| 3142 sed '$q' "$ltmain" >> "$ofile" || (rm -f "$ofile"; exit 1) | |
| 3143 # We use sed instead of cat because bash on DJGPP gets confused if | |
| 3144 # if finds mixed CR/LF and LF-only lines. Since sed operates in | |
| 3145 # text mode, it properly converts lines to CR/LF. This bash problem | |
| 3146 # is reportedly fixed, but why not run on old versions too? | |
| 3147 | |
| 3148 chmod +x "$ofile" | |
| 3149 ;; | |
| 3150 | |
| 3151 *) | |
| 3152 # Compile the libtool program. | |
| 3153 echo "FIXME: would compile $ltmain" | |
| 3154 ;; | |
| 3155 esac | |
| 3156 | |
| 3157 test -n "$cache_file" || exit 0 | |
| 3158 | |
| 3159 # AC_CACHE_SAVE | |
| 3160 trap '' 1 2 15 | |
| 3161 cat > confcache <<\EOF | |
| 3162 # This file is a shell script that caches the results of configure | |
| 3163 # tests run on this system so they can be shared between configure | |
| 3164 # scripts and configure runs. It is not useful on other systems. | |
| 3165 # If it contains results you don't want to keep, you may remove or edit it. | |
| 3166 # | |
| 3167 # By default, configure uses ./config.cache as the cache file, | |
| 3168 # creating it if it does not exist already. You can give configure | |
| 3169 # the --cache-file=FILE option to use a different cache file; that is | |
| 3170 # what configure does when it calls configure scripts in | |
| 3171 # subdirectories, so they share the cache. | |
| 3172 # Giving --cache-file=/dev/null disables caching, for debugging configure. | |
| 3173 # config.status only pays attention to the cache file if you give it the | |
| 3174 # --recheck option to rerun configure. | |
| 3175 # | |
| 3176 EOF | |
| 3177 # The following way of writing the cache mishandles newlines in values, | |
| 3178 # but we know of no workaround that is simple, portable, and efficient. | |
| 3179 # So, don't put newlines in cache variables' values. | |
| 3180 # Ultrix sh set writes to stderr and can't be redirected directly, | |
| 3181 # and sets the high bit in the cache file unless we assign to the vars. | |
| 3182 (set) 2>&1 | | |
| 3183 case `(ac_space=' '; set | grep ac_space) 2>&1` in | |
| 3184 *ac_space=\ *) | |
| 3185 # `set' does not quote correctly, so add quotes (double-quote substitution | |
| 3186 # turns \\\\ into \\, and sed turns \\ into \). | |
| 3187 sed -n \ | |
| 3188 -e "s/'/'\\\\''/g" \ | |
| 3189 -e "s/^\\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\\)=\\(.*\\)/\\1=\${\\1='\\2'}/p" | |
| 3190 ;; | |
| 3191 *) | |
| 3192 # `set' quotes correctly as required by POSIX, so do not add quotes. | |
| 3193 sed -n -e 's/^\([a-zA-Z0-9_]*_cv_[a-zA-Z0-9_]*\)=\(.*\)/\1=${\1=\2}/p' | |
| 3194 ;; | |
| 3195 esac >> confcache | |
| 3196 if cmp -s $cache_file confcache; then | |
| 3197 : | |
| 3198 else | |
| 3199 if test -w $cache_file; then | |
| 3200 echo "updating cache $cache_file" | |
| 3201 cat confcache > $cache_file | |
| 3202 else | |
| 3203 echo "not updating unwritable cache $cache_file" | |
| 3204 fi | |
| 3205 fi | |
| 3206 rm -f confcache | |
| 3207 | |
| 3208 exit 0 | |
| 3209 | |
| 3210 # Local Variables: | |
| 3211 # mode:shell-script | |
| 3212 # sh-indentation:2 | |
| 3213 # End: |