1 # Configure paths for FreeType2 2 # Marcelo Magallon 2001-10-26, based on gtk.m4 by Owen Taylor 3 # 4 # Copyright 2001-2018 by 5 # David Turner, Robert Wilhelm, and Werner Lemberg. 6 # 7 # This file is part of the FreeType project, and may only be used, modified, 8 # and distributed under the terms of the FreeType project license, 9 # LICENSE.TXT. By continuing to use, modify, or distribute this file you 10 # indicate that you have read the license and understand and accept it 11 # fully. 12 # 13 # As a special exception to the FreeType project license, this file may be 14 # distributed as part of a program that contains a configuration script 15 # generated by Autoconf, under the same distribution terms as the rest of 16 # that program. 17 # 18 # serial 4 19 20 # AC_CHECK_FT2([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) 21 # Test for FreeType 2, and define FT2_CFLAGS and FT2_LIBS. 22 # MINIMUM-VERSION is what libtool reports; the default is `7.0.1' (this is 23 # FreeType 2.0.4). 24 # 25 AC_DEFUN([AC_CHECK_FT2], 26 [# Get the cflags and libraries from the freetype-config script 27 # 28 AC_ARG_WITH([ft-prefix], 29 dnl don't quote AS_HELP_STRING! 30 AS_HELP_STRING([--with-ft-prefix=PREFIX], 31 [Prefix where FreeType is installed (optional)]), 32 [ft_config_prefix="$withval"], 33 [ft_config_prefix=""]) 34 35 AC_ARG_WITH([ft-exec-prefix], 36 dnl don't quote AS_HELP_STRING! 37 AS_HELP_STRING([--with-ft-exec-prefix=PREFIX], 38 [Exec prefix where FreeType is installed (optional)]), 39 [ft_config_exec_prefix="$withval"], 40 [ft_config_exec_prefix=""]) 41 42 AC_ARG_ENABLE([freetypetest], 43 dnl don't quote AS_HELP_STRING! 44 AS_HELP_STRING([--disable-freetypetest], 45 [Do not try to compile and run a test FreeType program]), 46 [], 47 [enable_fttest=yes]) 48 49 if test x$ft_config_exec_prefix != x ; then 50 ft_config_args="$ft_config_args --exec-prefix=$ft_config_exec_prefix" 51 if test x${FT2_CONFIG+set} != xset ; then 52 FT2_CONFIG=$ft_config_exec_prefix/bin/freetype-config 53 fi 54 fi 55 56 if test x$ft_config_prefix != x ; then 57 ft_config_args="$ft_config_args --prefix=$ft_config_prefix" 58 if test x${FT2_CONFIG+set} != xset ; then 59 FT2_CONFIG=$ft_config_prefix/bin/freetype-config 60 fi 61 fi 62 63 if test "x$FT2_CONFIG" = x ; then 64 AC_PATH_TOOL([FT2_CONFIG], [freetype-config], [no]) 65 fi 66 67 min_ft_version=m4_if([$1], [], [7.0.1], [$1]) 68 AC_MSG_CHECKING([for FreeType -- version >= $min_ft_version]) 69 no_ft="" 70 if test "$FT2_CONFIG" = "no" ; then 71 no_ft=yes 72 else 73 FT2_CFLAGS=`$FT2_CONFIG $ft_config_args --cflags` 74 FT2_LIBS=`$FT2_CONFIG $ft_config_args --libs` 75 ft_config_major_version=`$FT2_CONFIG $ft_config_args --version | \ 76 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` 77 ft_config_minor_version=`$FT2_CONFIG $ft_config_args --version | \ 78 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` 79 ft_config_micro_version=`$FT2_CONFIG $ft_config_args --version | \ 80 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` 81 ft_min_major_version=`echo $min_ft_version | \ 82 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` 83 ft_min_minor_version=`echo $min_ft_version | \ 84 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` 85 ft_min_micro_version=`echo $min_ft_version | \ 86 sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` 87 if test x$enable_fttest = xyes ; then 88 ft_config_is_lt="" 89 if test $ft_config_major_version -lt $ft_min_major_version ; then 90 ft_config_is_lt=yes 91 else 92 if test $ft_config_major_version -eq $ft_min_major_version ; then 93 if test $ft_config_minor_version -lt $ft_min_minor_version ; then 94 ft_config_is_lt=yes 95 else 96 if test $ft_config_minor_version -eq $ft_min_minor_version ; then 97 if test $ft_config_micro_version -lt $ft_min_micro_version ; then 98 ft_config_is_lt=yes 99 fi 100 fi 101 fi 102 fi 103 fi 104 if test x$ft_config_is_lt = xyes ; then 105 no_ft=yes 106 else 107 ac_save_CFLAGS="$CFLAGS" 108 ac_save_LIBS="$LIBS" 109 CFLAGS="$CFLAGS $FT2_CFLAGS" 110 LIBS="$FT2_LIBS $LIBS" 111 112 # 113 # Sanity checks for the results of freetype-config to some extent. 114 # 115 AC_RUN_IFELSE([ 116 AC_LANG_SOURCE([[ 117 118 #include <ft2build.h> 119 #include FT_FREETYPE_H 120 #include <stdio.h> 121 #include <stdlib.h> 122 123 int 124 main() 125 { 126 FT_Library library; 127 FT_Error error; 128 129 error = FT_Init_FreeType(&library); 130 131 if (error) 132 return 1; 133 else 134 { 135 FT_Done_FreeType(library); 136 return 0; 137 } 138 } 139 140 ]]) 141 ], 142 [], 143 [no_ft=yes], 144 [echo $ECHO_N "cross compiling; assuming OK... $ECHO_C"]) 145 146 CFLAGS="$ac_save_CFLAGS" 147 LIBS="$ac_save_LIBS" 148 fi # test $ft_config_version -lt $ft_min_version 149 fi # test x$enable_fttest = xyes 150 fi # test "$FT2_CONFIG" = "no" 151 152 if test x$no_ft = x ; then 153 AC_MSG_RESULT([yes]) 154 m4_if([$2], [], [:], [$2]) 155 else 156 AC_MSG_RESULT([no]) 157 if test "$FT2_CONFIG" = "no" ; then 158 AC_MSG_WARN([ 159 160 The freetype-config script installed by FreeType 2 could not be found. 161 If FreeType 2 was installed in PREFIX, make sure PREFIX/bin is in 162 your path, or set the FT2_CONFIG environment variable to the 163 full path to freetype-config. 164 ]) 165 else 166 if test x$ft_config_is_lt = xyes ; then 167 AC_MSG_WARN([ 168 169 Your installed version of the FreeType 2 library is too old. 170 If you have different versions of FreeType 2, make sure that 171 correct values for --with-ft-prefix or --with-ft-exec-prefix 172 are used, or set the FT2_CONFIG environment variable to the 173 full path to freetype-config. 174 ]) 175 else 176 AC_MSG_WARN([ 177 178 The FreeType test program failed to run. If your system uses 179 shared libraries and they are installed outside the normal 180 system library path, make sure the variable LD_LIBRARY_PATH 181 (or whatever is appropriate for your system) is correctly set. 182 ]) 183 fi 184 fi 185 186 FT2_CFLAGS="" 187 FT2_LIBS="" 188 m4_if([$3], [], [:], [$3]) 189 fi 190 191 AC_SUBST([FT2_CFLAGS]) 192 AC_SUBST([FT2_LIBS])]) 193 194 # end of freetype2.m4 195
