Mercurial > sdl-ios-xcode
annotate acinclude.m4 @ 566:d6e7d7006062
Enable the glXGetProcAddressARB code (fixes problems with NVidia drivers)
| author | Sam Lantinga <slouken@libsdl.org> |
|---|---|
| date | Mon, 20 Jan 2003 00:25:28 +0000 |
| parents | cf2af46e9e2a |
| children | 1e8865a3e127 |
| rev | line source |
|---|---|
| 0 | 1 # Local macros for the SDL configure.in script |
| 2 | |
| 3 dnl Function to link an architecture specific file | |
| 4 dnl LINK_ARCH_SRC(source_dir, arch, source_file) | |
| 5 AC_DEFUN(COPY_ARCH_SRC, | |
| 6 [ | |
| 7 echo "Copying $1/$2/$3 -> $1/$3" | |
| 8 old="$srcdir/$1/$2/$3" | |
| 9 new="$srcdir/$1/$3" | |
| 10 cat >$new <<__EOF__ | |
| 11 /* WARNING: This file was automatically generated! | |
| 12 * Original: $old | |
| 13 */ | |
| 14 __EOF__ | |
| 15 cat >>$new <$old | |
| 16 ]) | |
| 17 | |
| 18 # | |
| 19 # --- esd.m4 --- | |
| 20 # | |
| 21 # Configure paths for ESD | |
| 22 # Manish Singh 98-9-30 | |
| 23 # stolen back from Frank Belew | |
| 24 # stolen from Manish Singh | |
| 25 # Shamelessly stolen from Owen Taylor | |
| 26 | |
| 27 dnl AM_PATH_ESD([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) | |
| 28 dnl Test for ESD, and define ESD_CFLAGS and ESD_LIBS | |
| 29 dnl | |
| 30 AC_DEFUN(AM_PATH_ESD, | |
| 31 [dnl | |
| 32 dnl Get the cflags and libraries from the esd-config script | |
| 33 dnl | |
| 34 AC_ARG_WITH(esd-prefix,[ --with-esd-prefix=PFX Prefix where ESD is installed (optional)], | |
| 35 esd_prefix="$withval", esd_prefix="") | |
| 36 AC_ARG_WITH(esd-exec-prefix,[ --with-esd-exec-prefix=PFX Exec prefix where ESD is installed (optional)], | |
| 37 esd_exec_prefix="$withval", esd_exec_prefix="") | |
| 38 AC_ARG_ENABLE(esdtest, [ --disable-esdtest Do not try to compile and run a test ESD program], | |
| 39 , enable_esdtest=yes) | |
| 40 | |
| 41 if test x$esd_exec_prefix != x ; then | |
| 42 esd_args="$esd_args --exec-prefix=$esd_exec_prefix" | |
| 43 if test x${ESD_CONFIG+set} != xset ; then | |
| 44 ESD_CONFIG=$esd_exec_prefix/bin/esd-config | |
| 45 fi | |
| 46 fi | |
| 47 if test x$esd_prefix != x ; then | |
| 48 esd_args="$esd_args --prefix=$esd_prefix" | |
| 49 if test x${ESD_CONFIG+set} != xset ; then | |
| 50 ESD_CONFIG=$esd_prefix/bin/esd-config | |
| 51 fi | |
| 52 fi | |
| 53 | |
| 54 AC_PATH_PROG(ESD_CONFIG, esd-config, no) | |
| 55 min_esd_version=ifelse([$1], ,0.2.7,$1) | |
| 56 AC_MSG_CHECKING(for ESD - version >= $min_esd_version) | |
| 57 no_esd="" | |
| 58 if test "$ESD_CONFIG" = "no" ; then | |
| 59 no_esd=yes | |
| 60 else | |
| 61 ESD_CFLAGS=`$ESD_CONFIG $esdconf_args --cflags` | |
| 62 ESD_LIBS=`$ESD_CONFIG $esdconf_args --libs` | |
| 63 | |
| 64 esd_major_version=`$ESD_CONFIG $esd_args --version | \ | |
| 65 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` | |
| 66 esd_minor_version=`$ESD_CONFIG $esd_args --version | \ | |
| 67 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` | |
| 68 esd_micro_version=`$ESD_CONFIG $esd_config_args --version | \ | |
| 69 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` | |
| 70 if test "x$enable_esdtest" = "xyes" ; then | |
| 71 ac_save_CFLAGS="$CFLAGS" | |
| 72 ac_save_LIBS="$LIBS" | |
| 73 CFLAGS="$CFLAGS $ESD_CFLAGS" | |
| 74 LIBS="$LIBS $ESD_LIBS" | |
| 75 dnl | |
| 76 dnl Now check if the installed ESD is sufficiently new. (Also sanity | |
| 77 dnl checks the results of esd-config to some extent | |
| 78 dnl | |
| 79 rm -f conf.esdtest | |
| 80 AC_TRY_RUN([ | |
| 81 #include <stdio.h> | |
| 82 #include <stdlib.h> | |
| 83 #include <string.h> | |
| 84 #include <esd.h> | |
| 85 | |
| 86 char* | |
| 87 my_strdup (char *str) | |
| 88 { | |
| 89 char *new_str; | |
| 90 | |
| 91 if (str) | |
| 92 { | |
| 93 new_str = malloc ((strlen (str) + 1) * sizeof(char)); | |
| 94 strcpy (new_str, str); | |
| 95 } | |
| 96 else | |
| 97 new_str = NULL; | |
| 98 | |
| 99 return new_str; | |
| 100 } | |
| 101 | |
| 102 int main () | |
| 103 { | |
| 104 int major, minor, micro; | |
| 105 char *tmp_version; | |
| 106 | |
| 107 system ("touch conf.esdtest"); | |
| 108 | |
| 109 /* HP/UX 9 (%@#!) writes to sscanf strings */ | |
| 110 tmp_version = my_strdup("$min_esd_version"); | |
| 111 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, µ) != 3) { | |
| 112 printf("%s, bad version string\n", "$min_esd_version"); | |
| 113 exit(1); | |
| 114 } | |
| 115 | |
| 116 if (($esd_major_version > major) || | |
| 117 (($esd_major_version == major) && ($esd_minor_version > minor)) || | |
| 118 (($esd_major_version == major) && ($esd_minor_version == minor) && ($esd_micro_version >= micro))) | |
| 119 { | |
| 120 return 0; | |
| 121 } | |
| 122 else | |
| 123 { | |
| 124 printf("\n*** 'esd-config --version' returned %d.%d.%d, but the minimum version\n", $esd_major_version, $esd_minor_version, $esd_micro_version); | |
| 125 printf("*** of ESD required is %d.%d.%d. If esd-config is correct, then it is\n", major, minor, micro); | |
| 126 printf("*** best to upgrade to the required version.\n"); | |
| 127 printf("*** If esd-config was wrong, set the environment variable ESD_CONFIG\n"); | |
| 128 printf("*** to point to the correct copy of esd-config, and remove the file\n"); | |
| 129 printf("*** config.cache before re-running configure\n"); | |
| 130 return 1; | |
| 131 } | |
| 132 } | |
| 133 | |
| 134 ],, no_esd=yes,[echo $ac_n "cross compiling; assumed OK... $ac_c"]) | |
| 135 CFLAGS="$ac_save_CFLAGS" | |
| 136 LIBS="$ac_save_LIBS" | |
| 137 fi | |
| 138 fi | |
| 139 if test "x$no_esd" = x ; then | |
| 140 AC_MSG_RESULT(yes) | |
| 141 ifelse([$2], , :, [$2]) | |
| 142 else | |
| 143 AC_MSG_RESULT(no) | |
| 144 if test "$ESD_CONFIG" = "no" ; then | |
| 145 echo "*** The esd-config script installed by ESD could not be found" | |
| 146 echo "*** If ESD was installed in PREFIX, make sure PREFIX/bin is in" | |
| 147 echo "*** your path, or set the ESD_CONFIG environment variable to the" | |
| 148 echo "*** full path to esd-config." | |
| 149 else | |
| 150 if test -f conf.esdtest ; then | |
| 151 : | |
| 152 else | |
| 153 echo "*** Could not run ESD test program, checking why..." | |
| 154 CFLAGS="$CFLAGS $ESD_CFLAGS" | |
| 155 LIBS="$LIBS $ESD_LIBS" | |
| 156 AC_TRY_LINK([ | |
| 157 #include <stdio.h> | |
| 158 #include <esd.h> | |
| 159 ], [ return 0; ], | |
| 160 [ echo "*** The test program compiled, but did not run. This usually means" | |
| 161 echo "*** that the run-time linker is not finding ESD or finding the wrong" | |
| 162 echo "*** version of ESD. If it is not finding ESD, you'll need to set your" | |
| 163 echo "*** LD_LIBRARY_PATH environment variable, or edit /etc/ld.so.conf to point" | |
| 164 echo "*** to the installed location Also, make sure you have run ldconfig if that" | |
| 165 echo "*** is required on your system" | |
| 166 echo "***" | |
| 167 echo "*** If you have an old version installed, it is best to remove it, although" | |
| 168 echo "*** you may also be able to get things to work by modifying LD_LIBRARY_PATH"], | |
| 169 [ echo "*** The test program failed to compile or link. See the file config.log for the" | |
| 170 echo "*** exact error that occured. This usually means ESD was incorrectly installed" | |
| 171 echo "*** or that you have moved ESD since it was installed. In the latter case, you" | |
| 172 echo "*** may want to edit the esd-config script: $ESD_CONFIG" ]) | |
| 173 CFLAGS="$ac_save_CFLAGS" | |
| 174 LIBS="$ac_save_LIBS" | |
| 175 fi | |
| 176 fi | |
| 177 ESD_CFLAGS="" | |
| 178 ESD_LIBS="" | |
| 179 ifelse([$3], , :, [$3]) | |
| 180 fi | |
| 181 AC_SUBST(ESD_CFLAGS) | |
| 182 AC_SUBST(ESD_LIBS) | |
| 183 rm -f conf.esdtest | |
| 184 ]) | |
| 185 | |
| 186 ## libtool.m4 - Configure libtool for the target system. -*-Shell-script-*- | |
| 187 ## Copyright (C) 1996-1999, 2000 Free Software Foundation, Inc. | |
| 188 ## Originally by Gordon Matzigkeit <gord@gnu.ai.mit.edu>, 1996 | |
| 189 ## | |
| 190 ## This program is free software; you can redistribute it and/or modify | |
| 191 ## it under the terms of the GNU General Public License as published by | |
| 192 ## the Free Software Foundation; either version 2 of the License, or | |
| 193 ## (at your option) any later version. | |
| 194 ## | |
| 195 ## This program is distributed in the hope that it will be useful, but | |
| 196 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 197 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 198 ## General Public License for more details. | |
| 199 ## | |
| 200 ## You should have received a copy of the GNU General Public License | |
| 201 ## along with this program; if not, write to the Free Software | |
| 202 ## Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
| 203 ## | |
| 204 ## As a special exception to the GNU General Public License, if you | |
| 205 ## distribute this file as part of a program that contains a | |
| 206 ## configuration script generated by Autoconf, you may include it under | |
| 207 ## the same distribution terms that you use for the rest of that program. | |
| 208 | |
| 209 # serial 40 AC_PROG_LIBTOOL | |
| 210 AC_DEFUN(AC_PROG_LIBTOOL, | |
| 211 [AC_REQUIRE([AC_LIBTOOL_SETUP])dnl | |
| 212 | |
| 213 # Save cache, so that ltconfig can load it | |
| 214 AC_CACHE_SAVE | |
| 215 | |
| 216 # Actually configure libtool. ac_aux_dir is where install-sh is found. | |
| 217 CC="$CC" CFLAGS="$CFLAGS" CPPFLAGS="$CPPFLAGS" \ | |
| 218 LD="$LD" LDFLAGS="$LDFLAGS" LIBS="$LIBS" \ | |
| 219 LN_S="$LN_S" NM="$NM" RANLIB="$RANLIB" \ | |
| 220 DLLTOOL="$DLLTOOL" AS="$AS" OBJDUMP="$OBJDUMP" \ | |
| 221 ${CONFIG_SHELL-/bin/sh} $ac_aux_dir/ltconfig --no-reexec \ | |
| 222 $libtool_flags --no-verify $ac_aux_dir/ltmain.sh $lt_target \ | |
| 223 || AC_MSG_ERROR([libtool configure failed]) | |
| 224 | |
| 225 # Reload cache, that may have been modified by ltconfig | |
| 226 AC_CACHE_LOAD | |
| 227 | |
| 228 # This can be used to rebuild libtool when needed | |
| 229 LIBTOOL_DEPS="$ac_aux_dir/ltconfig $ac_aux_dir/ltmain.sh" | |
| 230 | |
| 231 # Always use our own libtool. | |
| 232 LIBTOOL='$(SHELL) $(top_builddir)/libtool' | |
| 233 AC_SUBST(LIBTOOL)dnl | |
| 234 | |
| 235 # Redirect the config.log output again, so that the ltconfig log is not | |
| 236 # clobbered by the next message. | |
| 237 exec 5>>./config.log | |
| 238 ]) | |
| 239 | |
| 240 AC_DEFUN(AC_LIBTOOL_SETUP, | |
| 241 [AC_PREREQ(2.13)dnl | |
| 242 AC_REQUIRE([AC_ENABLE_SHARED])dnl | |
| 243 AC_REQUIRE([AC_ENABLE_STATIC])dnl | |
| 244 AC_REQUIRE([AC_ENABLE_FAST_INSTALL])dnl | |
| 245 AC_REQUIRE([AC_CANONICAL_HOST])dnl | |
| 246 AC_REQUIRE([AC_CANONICAL_BUILD])dnl | |
| 247 AC_REQUIRE([AC_PROG_RANLIB])dnl | |
| 248 AC_REQUIRE([AC_PROG_CC])dnl | |
| 249 AC_REQUIRE([AC_PROG_LD])dnl | |
| 250 AC_REQUIRE([AC_PROG_NM])dnl | |
| 251 AC_REQUIRE([AC_PROG_LN_S])dnl | |
| 252 dnl | |
| 253 | |
| 254 case "$target" in | |
| 255 NONE) lt_target="$host" ;; | |
| 256 *) lt_target="$target" ;; | |
| 257 esac | |
| 258 | |
| 259 # Check for any special flags to pass to ltconfig. | |
| 260 libtool_flags="--cache-file=$cache_file" | |
| 261 test "$enable_shared" = no && libtool_flags="$libtool_flags --disable-shared" | |
| 262 test "$enable_static" = no && libtool_flags="$libtool_flags --disable-static" | |
| 263 test "$enable_fast_install" = no && libtool_flags="$libtool_flags --disable-fast-install" | |
| 264 test "$ac_cv_prog_gcc" = yes && libtool_flags="$libtool_flags --with-gcc" | |
| 265 test "$ac_cv_prog_gnu_ld" = yes && libtool_flags="$libtool_flags --with-gnu-ld" | |
| 266 ifdef([AC_PROVIDE_AC_LIBTOOL_DLOPEN], | |
| 267 [libtool_flags="$libtool_flags --enable-dlopen"]) | |
| 268 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], | |
| 269 [libtool_flags="$libtool_flags --enable-win32-dll"]) | |
| 270 AC_ARG_ENABLE(libtool-lock, | |
| 271 [ --disable-libtool-lock avoid locking (might break parallel builds)]) | |
| 272 test "x$enable_libtool_lock" = xno && libtool_flags="$libtool_flags --disable-lock" | |
| 273 test x"$silent" = xyes && libtool_flags="$libtool_flags --silent" | |
| 274 | |
| 275 # Some flags need to be propagated to the compiler or linker for good | |
| 276 # libtool support. | |
| 277 case "$lt_target" in | |
| 278 *-*-irix6*) | |
| 279 # Find out which ABI we are using. | |
| 280 echo '[#]line __oline__ "configure"' > conftest.$ac_ext | |
| 281 if AC_TRY_EVAL(ac_compile); then | |
| 282 case "`/usr/bin/file conftest.o`" in | |
| 283 *32-bit*) | |
| 284 LD="${LD-ld} -32" | |
| 285 ;; | |
| 286 *N32*) | |
| 287 LD="${LD-ld} -n32" | |
| 288 ;; | |
| 289 *64-bit*) | |
| 290 LD="${LD-ld} -64" | |
| 291 ;; | |
| 292 esac | |
| 293 fi | |
| 294 rm -rf conftest* | |
| 295 ;; | |
| 296 | |
| 297 *-*-sco3.2v5*) | |
| 298 # On SCO OpenServer 5, we need -belf to get full-featured binaries. | |
| 299 SAVE_CFLAGS="$CFLAGS" | |
| 300 CFLAGS="$CFLAGS -belf" | |
| 301 AC_CACHE_CHECK([whether the C compiler needs -belf], lt_cv_cc_needs_belf, | |
| 302 [AC_TRY_LINK([],[],[lt_cv_cc_needs_belf=yes],[lt_cv_cc_needs_belf=no])]) | |
| 303 if test x"$lt_cv_cc_needs_belf" != x"yes"; then | |
| 304 # this is probably gcc 2.8.0, egcs 1.0 or newer; no need for -belf | |
| 305 CFLAGS="$SAVE_CFLAGS" | |
| 306 fi | |
| 307 ;; | |
| 308 | |
| 309 ifdef([AC_PROVIDE_AC_LIBTOOL_WIN32_DLL], | |
| 310 [*-*-cygwin* | *-*-mingw*) | |
| 311 AC_CHECK_TOOL(DLLTOOL, dlltool, false) | |
| 312 AC_CHECK_TOOL(AS, as, false) | |
| 313 AC_CHECK_TOOL(OBJDUMP, objdump, false) | |
| 314 ;; | |
| 315 ]) | |
| 316 esac | |
| 317 ]) | |
| 318 | |
| 319 # AC_LIBTOOL_DLOPEN - enable checks for dlopen support | |
| 320 AC_DEFUN(AC_LIBTOOL_DLOPEN, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])]) | |
| 321 | |
| 322 # AC_LIBTOOL_WIN32_DLL - declare package support for building win32 dll's | |
| 323 AC_DEFUN(AC_LIBTOOL_WIN32_DLL, [AC_BEFORE([$0], [AC_LIBTOOL_SETUP])]) | |
| 324 | |
| 325 # AC_ENABLE_SHARED - implement the --enable-shared flag | |
| 326 # Usage: AC_ENABLE_SHARED[(DEFAULT)] | |
| 327 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
| 328 # `yes'. | |
| 329 AC_DEFUN(AC_ENABLE_SHARED, [dnl | |
| 330 define([AC_ENABLE_SHARED_DEFAULT], ifelse($1, no, no, yes))dnl | |
| 331 AC_ARG_ENABLE(shared, | |
| 332 changequote(<<, >>)dnl | |
| 333 << --enable-shared[=PKGS] build shared libraries [default=>>AC_ENABLE_SHARED_DEFAULT], | |
| 334 changequote([, ])dnl | |
| 335 [p=${PACKAGE-default} | |
| 336 case "$enableval" in | |
| 337 yes) enable_shared=yes ;; | |
| 338 no) enable_shared=no ;; | |
| 339 *) | |
| 340 enable_shared=no | |
| 341 # Look at the argument we got. We use all the common list separators. | |
| 342 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
| 343 for pkg in $enableval; do | |
| 344 if test "X$pkg" = "X$p"; then | |
| 345 enable_shared=yes | |
| 346 fi | |
| 347 done | |
| 348 IFS="$ac_save_ifs" | |
| 349 ;; | |
| 350 esac], | |
| 351 enable_shared=AC_ENABLE_SHARED_DEFAULT)dnl | |
| 352 ]) | |
| 353 | |
| 354 # AC_DISABLE_SHARED - set the default shared flag to --disable-shared | |
| 355 AC_DEFUN(AC_DISABLE_SHARED, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl | |
| 356 AC_ENABLE_SHARED(no)]) | |
| 357 | |
| 358 # AC_ENABLE_STATIC - implement the --enable-static flag | |
| 359 # Usage: AC_ENABLE_STATIC[(DEFAULT)] | |
| 360 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
| 361 # `yes'. | |
| 362 AC_DEFUN(AC_ENABLE_STATIC, [dnl | |
| 363 define([AC_ENABLE_STATIC_DEFAULT], ifelse($1, no, no, yes))dnl | |
| 364 AC_ARG_ENABLE(static, | |
| 365 changequote(<<, >>)dnl | |
| 366 << --enable-static[=PKGS] build static libraries [default=>>AC_ENABLE_STATIC_DEFAULT], | |
| 367 changequote([, ])dnl | |
| 368 [p=${PACKAGE-default} | |
| 369 case "$enableval" in | |
| 370 yes) enable_static=yes ;; | |
| 371 no) enable_static=no ;; | |
| 372 *) | |
| 373 enable_static=no | |
| 374 # Look at the argument we got. We use all the common list separators. | |
| 375 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
| 376 for pkg in $enableval; do | |
| 377 if test "X$pkg" = "X$p"; then | |
| 378 enable_static=yes | |
| 379 fi | |
| 380 done | |
| 381 IFS="$ac_save_ifs" | |
| 382 ;; | |
| 383 esac], | |
| 384 enable_static=AC_ENABLE_STATIC_DEFAULT)dnl | |
| 385 ]) | |
| 386 | |
| 387 # AC_DISABLE_STATIC - set the default static flag to --disable-static | |
| 388 AC_DEFUN(AC_DISABLE_STATIC, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl | |
| 389 AC_ENABLE_STATIC(no)]) | |
| 390 | |
| 391 | |
| 392 # AC_ENABLE_FAST_INSTALL - implement the --enable-fast-install flag | |
| 393 # Usage: AC_ENABLE_FAST_INSTALL[(DEFAULT)] | |
| 394 # Where DEFAULT is either `yes' or `no'. If omitted, it defaults to | |
| 395 # `yes'. | |
| 396 AC_DEFUN(AC_ENABLE_FAST_INSTALL, [dnl | |
| 397 define([AC_ENABLE_FAST_INSTALL_DEFAULT], ifelse($1, no, no, yes))dnl | |
| 398 AC_ARG_ENABLE(fast-install, | |
| 399 changequote(<<, >>)dnl | |
| 400 << --enable-fast-install[=PKGS] optimize for fast installation [default=>>AC_ENABLE_FAST_INSTALL_DEFAULT], | |
| 401 changequote([, ])dnl | |
| 402 [p=${PACKAGE-default} | |
| 403 case "$enableval" in | |
| 404 yes) enable_fast_install=yes ;; | |
| 405 no) enable_fast_install=no ;; | |
| 406 *) | |
| 407 enable_fast_install=no | |
| 408 # Look at the argument we got. We use all the common list separators. | |
| 409 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}:," | |
| 410 for pkg in $enableval; do | |
| 411 if test "X$pkg" = "X$p"; then | |
| 412 enable_fast_install=yes | |
| 413 fi | |
| 414 done | |
| 415 IFS="$ac_save_ifs" | |
| 416 ;; | |
| 417 esac], | |
| 418 enable_fast_install=AC_ENABLE_FAST_INSTALL_DEFAULT)dnl | |
| 419 ]) | |
| 420 | |
| 421 # AC_ENABLE_FAST_INSTALL - set the default to --disable-fast-install | |
| 422 AC_DEFUN(AC_DISABLE_FAST_INSTALL, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl | |
| 423 AC_ENABLE_FAST_INSTALL(no)]) | |
| 424 | |
| 425 # AC_PROG_LD - find the path to the GNU or non-GNU linker | |
| 426 AC_DEFUN(AC_PROG_LD, | |
| 427 [AC_ARG_WITH(gnu-ld, | |
| 428 [ --with-gnu-ld assume the C compiler uses GNU ld [default=no]], | |
| 429 test "$withval" = no || with_gnu_ld=yes, with_gnu_ld=no) | |
| 430 AC_REQUIRE([AC_PROG_CC])dnl | |
| 431 AC_REQUIRE([AC_CANONICAL_HOST])dnl | |
| 432 AC_REQUIRE([AC_CANONICAL_BUILD])dnl | |
| 433 ac_prog=ld | |
| 434 if test "$ac_cv_prog_gcc" = yes; then | |
| 435 # Check if gcc -print-prog-name=ld gives a path. | |
| 436 AC_MSG_CHECKING([for ld used by GCC]) | |
|
1
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
437 DELCR='tr -d \015' |
|
cf2af46e9e2a
Changes since SDL 1.2.0 release
Sam Lantinga <slouken@lokigames.com>
parents:
0
diff
changeset
|
438 ac_prog=`($CC -print-prog-name=ld | $DELCR) 2>&5` |
| 0 | 439 case "$ac_prog" in |
| 440 # Accept absolute paths. | |
| 441 changequote(,)dnl | |
| 442 [\\/]* | [A-Za-z]:[\\/]*) | |
| 443 re_direlt='/[^/][^/]*/\.\./' | |
| 444 changequote([,])dnl | |
| 445 # Canonicalize the path of ld | |
| 446 ac_prog=`echo $ac_prog| sed 's%\\\\%/%g'` | |
| 447 while echo $ac_prog | grep "$re_direlt" > /dev/null 2>&1; do | |
| 448 ac_prog=`echo $ac_prog| sed "s%$re_direlt%/%"` | |
| 449 done | |
| 450 test -z "$LD" && LD="$ac_prog" | |
| 451 ;; | |
| 452 "") | |
| 453 # If it fails, then pretend we aren't using GCC. | |
| 454 ac_prog=ld | |
| 455 ;; | |
| 456 *) | |
| 457 # If it is relative, then search for the first ld in PATH. | |
| 458 with_gnu_ld=unknown | |
| 459 ;; | |
| 460 esac | |
| 461 elif test "$with_gnu_ld" = yes; then | |
| 462 AC_MSG_CHECKING([for GNU ld]) | |
| 463 else | |
| 464 AC_MSG_CHECKING([for non-GNU ld]) | |
| 465 fi | |
| 466 AC_CACHE_VAL(ac_cv_path_LD, | |
| 467 [if test -z "$LD"; then | |
| 468 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" | |
| 469 for ac_dir in $PATH; do | |
| 470 test -z "$ac_dir" && ac_dir=. | |
| 471 if test -f "$ac_dir/$ac_prog" || test -f "$ac_dir/$ac_prog$ac_exeext"; then | |
| 472 ac_cv_path_LD="$ac_dir/$ac_prog" | |
| 473 # Check to see if the program is GNU ld. I'd rather use --version, | |
| 474 # but apparently some GNU ld's only accept -v. | |
| 475 # Break only if it was the GNU/non-GNU ld that we prefer. | |
| 476 if "$ac_cv_path_LD" -v 2>&1 < /dev/null | egrep '(GNU|with BFD)' > /dev/null; then | |
| 477 test "$with_gnu_ld" != no && break | |
| 478 else | |
| 479 test "$with_gnu_ld" != yes && break | |
| 480 fi | |
| 481 fi | |
| 482 done | |
| 483 IFS="$ac_save_ifs" | |
| 484 else | |
| 485 ac_cv_path_LD="$LD" # Let the user override the test with a path. | |
| 486 fi]) | |
| 487 LD="$ac_cv_path_LD" | |
| 488 if test -n "$LD"; then | |
| 489 AC_MSG_RESULT($LD) | |
| 490 else | |
| 491 AC_MSG_RESULT(no) | |
| 492 fi | |
| 493 test -z "$LD" && AC_MSG_ERROR([no acceptable ld found in \$PATH]) | |
| 494 AC_PROG_LD_GNU | |
| 495 ]) | |
| 496 | |
| 497 AC_DEFUN(AC_PROG_LD_GNU, | |
| 498 [AC_CACHE_CHECK([if the linker ($LD) is GNU ld], ac_cv_prog_gnu_ld, | |
| 499 [# I'd rather use --version here, but apparently some GNU ld's only accept -v. | |
| 500 if $LD -v 2>&1 </dev/null | egrep '(GNU|with BFD)' 1>&5; then | |
| 501 ac_cv_prog_gnu_ld=yes | |
| 502 else | |
| 503 ac_cv_prog_gnu_ld=no | |
| 504 fi]) | |
| 505 ]) | |
| 506 | |
| 507 # AC_PROG_NM - find the path to a BSD-compatible name lister | |
| 508 AC_DEFUN(AC_PROG_NM, | |
| 509 [AC_MSG_CHECKING([for BSD-compatible nm]) | |
| 510 AC_CACHE_VAL(ac_cv_path_NM, | |
| 511 [if test -n "$NM"; then | |
| 512 # Let the user override the test. | |
| 513 ac_cv_path_NM="$NM" | |
| 514 else | |
| 515 IFS="${IFS= }"; ac_save_ifs="$IFS"; IFS="${IFS}${PATH_SEPARATOR-:}" | |
| 516 for ac_dir in $PATH /usr/ccs/bin /usr/ucb /bin; do | |
| 517 test -z "$ac_dir" && ac_dir=. | |
| 518 if test -f $ac_dir/nm || test -f $ac_dir/nm$ac_exeext ; then | |
| 519 # Check to see if the nm accepts a BSD-compat flag. | |
| 520 # Adding the `sed 1q' prevents false positives on HP-UX, which says: | |
| 521 # nm: unknown option "B" ignored | |
| 522 if ($ac_dir/nm -B /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then | |
| 523 ac_cv_path_NM="$ac_dir/nm -B" | |
| 524 break | |
| 525 elif ($ac_dir/nm -p /dev/null 2>&1 | sed '1q'; exit 0) | egrep /dev/null >/dev/null; then | |
| 526 ac_cv_path_NM="$ac_dir/nm -p" | |
| 527 break | |
| 528 else | |
| 529 ac_cv_path_NM=${ac_cv_path_NM="$ac_dir/nm"} # keep the first match, but | |
| 530 continue # so that we can try to find one that supports BSD flags | |
| 531 fi | |
| 532 fi | |
| 533 done | |
| 534 IFS="$ac_save_ifs" | |
| 535 test -z "$ac_cv_path_NM" && ac_cv_path_NM=nm | |
| 536 fi]) | |
| 537 NM="$ac_cv_path_NM" | |
| 538 AC_MSG_RESULT([$NM]) | |
| 539 ]) | |
| 540 | |
| 541 # AC_CHECK_LIBM - check for math library | |
| 542 AC_DEFUN(AC_CHECK_LIBM, | |
| 543 [AC_REQUIRE([AC_CANONICAL_HOST])dnl | |
| 544 LIBM= | |
| 545 case "$lt_target" in | |
| 546 *-*-beos* | *-*-cygwin*) | |
| 547 # These system don't have libm | |
| 548 ;; | |
| 549 *-ncr-sysv4.3*) | |
| 550 AC_CHECK_LIB(mw, _mwvalidcheckl, LIBM="-lmw") | |
| 551 AC_CHECK_LIB(m, main, LIBM="$LIBM -lm") | |
| 552 ;; | |
| 553 *) | |
| 554 AC_CHECK_LIB(m, main, LIBM="-lm") | |
| 555 ;; | |
| 556 esac | |
| 557 ]) | |
| 558 | |
| 559 # AC_LIBLTDL_CONVENIENCE[(dir)] - sets LIBLTDL to the link flags for | |
| 560 # the libltdl convenience library and INCLTDL to the include flags for | |
| 561 # the libltdl header and adds --enable-ltdl-convenience to the | |
| 562 # configure arguments. Note that LIBLTDL and INCLTDL are not | |
| 563 # AC_SUBSTed, nor is AC_CONFIG_SUBDIRS called. If DIR is not | |
| 564 # provided, it is assumed to be `libltdl'. LIBLTDL will be prefixed | |
| 565 # with '${top_builddir}/' and INCLTDL will be prefixed with | |
| 566 # '${top_srcdir}/' (note the single quotes!). If your package is not | |
| 567 # flat and you're not using automake, define top_builddir and | |
| 568 # top_srcdir appropriately in the Makefiles. | |
| 569 AC_DEFUN(AC_LIBLTDL_CONVENIENCE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl | |
| 570 case "$enable_ltdl_convenience" in | |
| 571 no) AC_MSG_ERROR([this package needs a convenience libltdl]) ;; | |
| 572 "") enable_ltdl_convenience=yes | |
| 573 ac_configure_args="$ac_configure_args --enable-ltdl-convenience" ;; | |
| 574 esac | |
| 575 LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdlc.la | |
| 576 INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl']) | |
| 577 ]) | |
| 578 | |
| 579 # AC_LIBLTDL_INSTALLABLE[(dir)] - sets LIBLTDL to the link flags for | |
| 580 # the libltdl installable library and INCLTDL to the include flags for | |
| 581 # the libltdl header and adds --enable-ltdl-install to the configure | |
| 582 # arguments. Note that LIBLTDL and INCLTDL are not AC_SUBSTed, nor is | |
| 583 # AC_CONFIG_SUBDIRS called. If DIR is not provided and an installed | |
| 584 # libltdl is not found, it is assumed to be `libltdl'. LIBLTDL will | |
| 585 # be prefixed with '${top_builddir}/' and INCLTDL will be prefixed | |
| 586 # with '${top_srcdir}/' (note the single quotes!). If your package is | |
| 587 # not flat and you're not using automake, define top_builddir and | |
| 588 # top_srcdir appropriately in the Makefiles. | |
| 589 # In the future, this macro may have to be called after AC_PROG_LIBTOOL. | |
| 590 AC_DEFUN(AC_LIBLTDL_INSTALLABLE, [AC_BEFORE([$0],[AC_LIBTOOL_SETUP])dnl | |
| 591 AC_CHECK_LIB(ltdl, main, | |
| 592 [test x"$enable_ltdl_install" != xyes && enable_ltdl_install=no], | |
| 593 [if test x"$enable_ltdl_install" = xno; then | |
| 594 AC_MSG_WARN([libltdl not installed, but installation disabled]) | |
| 595 else | |
| 596 enable_ltdl_install=yes | |
| 597 fi | |
| 598 ]) | |
| 599 if test x"$enable_ltdl_install" = x"yes"; then | |
| 600 ac_configure_args="$ac_configure_args --enable-ltdl-install" | |
| 601 LIBLTDL='${top_builddir}/'ifelse($#,1,[$1],['libltdl'])/libltdl.la | |
| 602 INCLTDL='-I${top_srcdir}/'ifelse($#,1,[$1],['libltdl']) | |
| 603 else | |
| 604 ac_configure_args="$ac_configure_args --enable-ltdl-install=no" | |
| 605 LIBLTDL="-lltdl" | |
| 606 INCLTDL= | |
| 607 fi | |
| 608 ]) | |
| 609 | |
| 610 dnl old names | |
| 611 AC_DEFUN(AM_PROG_LIBTOOL, [indir([AC_PROG_LIBTOOL])])dnl | |
| 612 AC_DEFUN(AM_ENABLE_SHARED, [indir([AC_ENABLE_SHARED], $@)])dnl | |
| 613 AC_DEFUN(AM_ENABLE_STATIC, [indir([AC_ENABLE_STATIC], $@)])dnl | |
| 614 AC_DEFUN(AM_DISABLE_SHARED, [indir([AC_DISABLE_SHARED], $@)])dnl | |
| 615 AC_DEFUN(AM_DISABLE_STATIC, [indir([AC_DISABLE_STATIC], $@)])dnl | |
| 616 AC_DEFUN(AM_PROG_LD, [indir([AC_PROG_LD])])dnl | |
| 617 AC_DEFUN(AM_PROG_NM, [indir([AC_PROG_NM])])dnl | |
| 618 | |
| 619 dnl This is just to silence aclocal about the macro not being used | |
| 620 ifelse([AC_DISABLE_FAST_INSTALL])dnl |