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annotate ext/libpng-1.2.29/configure.ac @ 130:b49714fff478

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* Workaround for Segfault_in_cxa_allocate_exception: http://wiki.fifengine.de/Segfault_in_cxa_allocate_exception * Full credit goes to Yonibear from OpenAnno who tracked down the issue
author mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
date Mon, 18 Aug 2008 23:11:32 +0000
parents 4a0efb7baf70
children
rev   line source
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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1 # configure.ac
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2
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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3 dnl Process this file with autoconf to produce a configure script.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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4 dnl
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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5 dnl Minor upgrades (compatible ABI): increment the package version
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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6 dnl (third field in two places below) and set the PNGLIB_RELEASE
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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7 dnl variable.
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8 dnl
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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9 dnl Major upgrades (incompatible ABI): increment the package major
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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10 dnl version (second field, or first if desired), set the minor
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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11 dnl to 0, set PNGLIB_MAJOR below *and* follow the instructions in
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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12 dnl Makefile.am to upgrade the package name.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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13
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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14 dnl This is here to prevent earlier autoconf from being used, it
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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15 dnl should not be necessary to regenerate configure if the time
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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16 dnl stamps are correct
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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17 AC_PREREQ(2.59)
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18
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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19 dnl Version number stuff here:
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20
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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21 AC_INIT([libpng], [1.2.29], [png-mng-implement@lists.sourceforge.net])
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22 AM_INIT_AUTOMAKE
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23 dnl stop configure from automagically running automake
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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24 AM_MAINTAINER_MODE
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25
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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26 PNGLIB_VERSION=1.2.29
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27 PNGLIB_MAJOR=1
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28 PNGLIB_MINOR=2
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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29 PNGLIB_RELEASE=29
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30
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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31 dnl End of version number stuff
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32
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33 AC_CONFIG_SRCDIR([pngget.c])
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34 AM_CONFIG_HEADER(config.h)
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35
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36 # Checks for programs.
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37 AC_PROG_CC
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38 AC_PROG_LD
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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39 AC_PROG_CPP
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40 AC_CHECK_TOOL(SED, sed, :)
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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41 AC_LIBTOOL_WIN32_DLL
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42 AC_PROG_INSTALL
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43 AC_PROG_LN_S
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44 AC_PROG_MAKE_SET
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45 AC_PROG_LIBTOOL
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46
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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47 # Checks for header files.
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48 AC_HEADER_STDC
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49 AC_CHECK_HEADERS([malloc.h stdlib.h string.h strings.h])
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50
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51 # Checks for typedefs, structures, and compiler characteristics.
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52 AC_C_CONST
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53 AC_TYPE_SIZE_T
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54 AC_STRUCT_TM
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55
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56 # Checks for library functions.
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57 AC_FUNC_STRTOD
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58 AC_CHECK_FUNCS([memset], , AC_ERROR([memset not found in libc]))
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59 AC_CHECK_FUNCS([pow], , AC_CHECK_LIB(m, pow, , AC_ERROR([cannot find pow])) )
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60 AC_CHECK_LIB(z, zlibVersion, , AC_ERROR([zlib not installed]))
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61
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62 LIBPNG_DEFINES=-DPNG_CONFIGURE_LIBPNG
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63 AC_MSG_CHECKING(
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64 [if assembler code in pnggccrd.c can be compiled without PNG_NO_MMX_CODE])
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65 AC_TRY_COMPILE(
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66 [#include "$srcdir/pnggccrd.c"],
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67 [return 0;],
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68 AC_MSG_RESULT(yes)
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69 LIBPNG_NO_MMX="",
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70 AC_MSG_RESULT(no)
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71 LIBPNG_NO_MMX=-DPNG_NO_MMX_CODE)
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72 LIBPNG_DEFINES=$LIBPNG_DEFINES\ $LIBPNG_NO_MMX
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73 AC_SUBST(LIBPNG_DEFINES)
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74 AC_SUBST(LIBPNG_NO_MMX)
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75
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76 AC_MSG_CHECKING([if libraries can be versioned])
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77 GLD=`$LD --help < /dev/null 2>/dev/null | grep version-script`
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78 if test "$GLD"; then
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79 have_ld_version_script=yes
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80 AC_MSG_RESULT(yes)
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81 else
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82 have_ld_version_script=no
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83 AC_MSG_RESULT(no)
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84 AC_MSG_WARN(*** You have not enabled versioned symbols.)
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85 fi
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86 AM_CONDITIONAL(HAVE_LD_VERSION_SCRIPT, test "$have_ld_version_script" = "yes")
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87
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88 if test "$have_ld_version_script" = "yes"; then
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89 AC_MSG_CHECKING([for symbol prefix])
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90 SYMBOL_PREFIX=`echo "PREFIX=__USER_LABEL_PREFIX__" \
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91 | ${CPP-${CC-gcc} -E} - 2>&1 \
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92 | ${EGREP-grep} "^PREFIX=" \
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93 | ${SED-sed} "s:^PREFIX=::"`
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94 AC_SUBST(SYMBOL_PREFIX)
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95 AC_MSG_RESULT($SYMBOL_PREFIX)
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96 fi
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97
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98 # Substitutions for .in files
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99 AC_SUBST(PNGLIB_VERSION)
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100 AC_SUBST(PNGLIB_MAJOR)
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101 AC_SUBST(PNGLIB_MINOR)
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102 AC_SUBST(PNGLIB_RELEASE)
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103
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104 # Additional arguments (and substitutions)
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105 # Allow the pkg-config directory to be set
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106 AC_ARG_WITH(pkgconfigdir,
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107 AC_HELP_STRING([--with-pkgconfigdir],
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108 [Use the specified pkgconfig dir (default is libdir/pkgconfig)]),
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109 [pkgconfigdir=${withval}],
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110 [pkgconfigdir='${libdir}/pkgconfig'])
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111
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112 AC_SUBST([pkgconfigdir])
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113 AC_MSG_NOTICE([pkgconfig directory is ${pkgconfigdir}])
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114
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115 # Make the *-config binary config scripts optional
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116 AC_ARG_WITH(binconfigs,
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117 AC_HELP_STRING([--with-binconfigs],
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118 [Generate shell libpng-config scripts as well as pkg-config data]
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119 [@<:@default=yes@:>@]),
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120 [if test "${withval}" = no; then
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121 binconfigs=
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122 AC_MSG_NOTICE([libpng-config scripts will not be built])
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123 else
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124 binconfigs='${binconfigs}'
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125 fi],
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126 [binconfigs='${binconfigs}'])
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127 AC_SUBST([binconfigs])
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128
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129 # Allow the old version number library, libpng.so, to be removed from
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130 # the build
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131 AC_ARG_WITH(libpng-compat,
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132 AC_HELP_STRING([--with-libpng-compat],
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133 [Generate the obsolete libpng.so library @<:@default=yes@:>@]),
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134 [if test "${withval}" = no; then
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135 compatlib=
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136 AC_MSG_NOTICE([libpng.so will not be built])
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137 else
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138 compatlib=libpng.la
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139 fi],
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140 [compatlib=libpng.la])
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141 AC_SUBST([compatlib])
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142
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143 # Config files, substituting as above
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144 AC_CONFIG_FILES([Makefile libpng.pc:scripts/libpng.pc-configure.in])
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145 AC_CONFIG_FILES([libpng-config:scripts/libpng-config.in],
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146 [chmod +x libpng-config])
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147
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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148 AC_OUTPUT