Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/jbig2dec/configure.ac.in @ 43:202a1f38a622

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
FIX: New added code snippets did not yet account for the changed return values from "_fromto()"
author Franz Glasner <fzglas.hg@dom66.de>
date Sat, 11 Oct 2025 17:15:08 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
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1 # Process this file with autoconf to produce a configure script.
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2
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3 AC_INIT([jbig2dec], [unknown-version], [gs-devel@ghostscript.com])
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4 AC_PREREQ(2.53)
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5 AC_CONFIG_SRCDIR([jbig2dec.c])
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6
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7 AM_SILENT_RULES([yes])
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8 AM_INIT_AUTOMAKE([-Wall])
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9 AM_CONFIG_HEADER(config.h)
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10
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11 dnl Library versioning - Adapted from the libtool info page
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12 dnl
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13 dnl 1. If source has changed at all: increment revision
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14 dnl 2. If the ABI changed: increment current, reset revision to 0
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15 dnl 3. If interfaces have been added since last public release: increment age
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16 dnl 4. If interfaces have been removed: reset age to 0
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17
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18 AC_SUBST([JBIG2DEC_LT_CURRENT], [0])
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19 AC_SUBST([JBIG2DEC_LT_REVISION], [0])
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20 AC_SUBST([JBIG2DEC_LT_AGE], [0])
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21
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22 # Checks for programs.
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23 AC_PROG_CC
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24 AM_PROG_CC_C_O
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25 AM_PROG_AR
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26 AC_LIBTOOL_WIN32_DLL
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27 AC_PROG_LIBTOOL
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28
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29 # platform specific compiler flags
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30 if test "x$GCC" = xyes; then
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31 CFLAGS="$CFLAGS -Wall -Wsign-compare"
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32 fi
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33
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34 # Checks for libraries.
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35 dnl by default we want png support if possible
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36 AC_ARG_WITH([libpng],
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37 AC_HELP_STRING([--with-libpng[=prefix]],
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38 [include support for png output (if libpng is available)]),
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39 [ac_cv_want_libpng="$withval"], [ac_cv_want_libpng="yes"])
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40 save_cflags="$CFLAGS"
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41 save_ldflags="$LDFLAGS"
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42 have_libpng="no"
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43 if test "x$ac_cv_want_libpng" != "xno"; then
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44 if test "x$ac_cv_want_libpng" != "xyes"; then
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45 dnl if it's not yes or no, treat as a prefix
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46 CFLAGS="$CFLAGS -I$ac_cv_want_libpng/include"
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47 LDFLAGS="$LDFLAGS -L$ac_cv_want_libpng/lib"
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48 fi
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49 dnl libpng requires pow() which may be in libm
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50 AC_SEARCH_LIBS([pow], [m])
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51 AC_CHECK_LIB([png], [png_create_write_struct], [
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52 AC_CHECK_LIB([z], [deflate], [
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53 AC_DEFINE(HAVE_LIBPNG, 1, [Define if libpng is available (-lpng)])
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54 PNG_LIBS="-lpng -lz"
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55 AC_LIBOBJ([jbig2_image_png])
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56 have_libpng="yes"
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57 ])
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58 ])
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59 fi
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60 dnl restore (possibly changed) flags if we didn't find working libpng
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61 if test "x$have_libpng" != "xyes"; then
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62 CFLAGS="$save_cflags"
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63 LDFLAGS="$save_ldflags"
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64 fi
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65 AC_SUBST(PNG_LIBS)
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66
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67 # Checks for header files.
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68 AC_HEADER_STDC
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69 AC_CHECK_HEADERS([libintl.h stddef.h unistd.h strings.h])
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70
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71 dnl We assume the fixed-size types from stdint.h. If that header is
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72 dnl not available, look for the same types in a few other headers.
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73 dnl We also attempt to define them ourselves, but only use those if
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74 dnl the native versions aren't available. The substitutions happen
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75 dnl in a file config_types.h, whose template is created by autogen.sh
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76
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77 stdint_types_in="no_replacement_found"
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78 stdint_types_discovered="yes"
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79 AC_CHECK_SIZEOF(char)
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80 AC_CHECK_SIZEOF(short)
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81 AC_CHECK_SIZEOF(int)
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82 AC_CHECK_SIZEOF(long)
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83 case 1 in
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84 $ac_cv_sizeof_char) int8_type="char";;
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85 *) stdint_types_discovered="no"
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86 esac
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87 case 2 in
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88 $ac_cv_sizeof_short) int16_type="short";;
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89 $ac_cv_sizeof_char) int16_type="char";;
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90 $ac_cv_sizeof_int) int16_type="char";;
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91 *) stdint_types_discovered="no";;
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92 esac
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93 case 4 in
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94 $ac_cv_sizeof_int) int32_type="int";;
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95 $ac_cv_sizeof_long) int32_type="long";;
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96 $ac_cv_sizeof_short) int32_type="short";;
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97 *) stdint_types_discovered="no";;
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98 esac
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99 AC_CHECK_HEADER([stdint.h])
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100 if test "x$ac_cv_header_stdint_h" != "xyes"; then
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101 for include in sys/types.h inttypes.h sys/inttypes.h sys/int_types.h ; do
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102 AC_MSG_CHECKING([for uint32_t in $include])
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103 AC_TRY_COMPILE([#include <$include>], [uint32_t canary;], [
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104 AC_MSG_RESULT([yes])
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105 stdint_types_in="$include"
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106 break;
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107 ], AC_MSG_RESULT([no])
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108 )
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109 done
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110 if test "x$stdint_types_in" != "xno_replacement_found"; then
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111 AC_MSG_RESULT([Adding $stdint_types_in to config header for stdint types])
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112 AC_DEFINE([JBIG2_REPLACE_STDINT_H],,
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113 [set by configure if an alternate header with the stdint.h types is found])
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114 elif test "x$stdint_types_discovered" = "xno"; then
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115 AC_MSG_ERROR([
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116 Unable to find suitable definitions of the stdint.h types (uint32_t and friends)
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117 You will have to define these yourself in a separate header.
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118 See config_win32.h for an example.
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119 ])
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120 fi
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121 fi
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122 AC_SUBST(JBIG2_INT32_T, [$int32_type])
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123 AC_SUBST(JBIG2_INT16_T, [$int16_type])
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124 AC_SUBST(JBIG2_INT8_T, [$int8_type])
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125 AC_SUBST(JBIG2_STDINT_H, [$stdint_types_in])
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126
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127 # Checks for typedefs, structures, and compiler characteristics.
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128 AC_C_CONST
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129 AC_TYPE_SIZE_T
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130 AC_C_BIGENDIAN
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131
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132 # Checks for library functions.
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133 AC_FUNC_MEMCMP
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134 dnl we use realloc() but don't depend on the zero-length behavior
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135 dnl tested by AC_FUNC_REALLOC
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136
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137 AC_CHECK_FUNCS([memset strdup])
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138
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139 dnl use our included getopt if the system doesn't have getopt_long()
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140 AC_CHECK_FUNC(getopt_long,
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141 AC_DEFINE(HAVE_GETOPT_LONG,,
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142 [Define if the local libc includes getopt_long()]
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143 ),[
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144 AC_LIBOBJ([getopt])
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145 AC_LIBOBJ([getopt1])
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146 ])
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147
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148 # generate output
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149 AC_CONFIG_FILES([Makefile config_types.h jbig2dec.pc])
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150 AC_OUTPUT