| # Configure paths for FreeType2 |
| # Marcelo Magallon 2001-10-26, based on `gtk.m4` by Owen Taylor |
| # |
| # Copyright (C) 2001-2021 by |
| # David Turner, Robert Wilhelm, and Werner Lemberg. |
| # |
| # This file is part of the FreeType project, and may only be used, modified, |
| # and distributed under the terms of the FreeType project license, |
| # LICENSE.TXT. By continuing to use, modify, or distribute this file you |
| # indicate that you have read the license and understand and accept it |
| # fully. |
| # |
| # As a special exception to the FreeType project license, this file may be |
| # distributed as part of a program that contains a configuration script |
| # generated by Autoconf, under the same distribution terms as the rest of |
| # that program. |
| # |
| # serial 6 |
| |
| # AC_CHECK_FT2([MINIMUM-VERSION [, ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]]) |
| # Test for FreeType 2, and define FT2_CFLAGS and FT2_LIBS. |
| # MINIMUM-VERSION is what libtool reports; the default is '7.0.1' (this is |
| # FreeType 2.0.4). |
| # |
| # To make this code work with older autoconf versions, `AS_HELP_STRING` is |
| # not quoted. |
| # |
| AC_DEFUN([AC_CHECK_FT2], |
| [# Get the cflags and libraries from the freetype-config script |
| # |
| AC_ARG_WITH([ft-prefix], |
| AS_HELP_STRING([--with-ft-prefix=PREFIX], |
| [Prefix where FreeType is installed (optional)]), |
| [ft_config_prefix="$withval"], |
| [ft_config_prefix=""]) |
| |
| AC_ARG_WITH([ft-exec-prefix], |
| AS_HELP_STRING([--with-ft-exec-prefix=PREFIX], |
| [Exec prefix where FreeType is installed (optional)]), |
| [ft_config_exec_prefix="$withval"], |
| [ft_config_exec_prefix=""]) |
| |
| AC_ARG_ENABLE([freetypetest], |
| AS_HELP_STRING([--disable-freetypetest], |
| [Do not try to compile and run a test FreeType program]), |
| [], |
| [enable_fttest=yes]) |
| |
| if test x$ft_config_exec_prefix != x ; then |
| ft_config_args="$ft_config_args --exec-prefix=$ft_config_exec_prefix" |
| if test x${FT2_CONFIG+set} != xset ; then |
| FT2_CONFIG=$ft_config_exec_prefix/bin/freetype-config |
| fi |
| fi |
| |
| if test x$ft_config_prefix != x ; then |
| ft_config_args="$ft_config_args --prefix=$ft_config_prefix" |
| if test x${FT2_CONFIG+set} != xset ; then |
| FT2_CONFIG=$ft_config_prefix/bin/freetype-config |
| fi |
| fi |
| |
| if test "x$FT2_CONFIG" = x ; then |
| AC_PATH_TOOL([FT2_CONFIG], [freetype-config], [no]) |
| fi |
| |
| min_ft_version=m4_if([$1], [], [7.0.1], [$1]) |
| AC_MSG_CHECKING([for FreeType -- version >= $min_ft_version]) |
| no_ft="" |
| if test "$FT2_CONFIG" = "no" ; then |
| no_ft=yes |
| else |
| FT2_CFLAGS=`$FT2_CONFIG $ft_config_args --cflags` |
| FT2_LIBS=`$FT2_CONFIG $ft_config_args --libs` |
| ft_config_major_version=`$FT2_CONFIG $ft_config_args --version | \ |
| sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` |
| ft_config_minor_version=`$FT2_CONFIG $ft_config_args --version | \ |
| sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` |
| ft_config_micro_version=`$FT2_CONFIG $ft_config_args --version | \ |
| sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` |
| ft_min_major_version=`echo $min_ft_version | \ |
| sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\1/'` |
| ft_min_minor_version=`echo $min_ft_version | \ |
| sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\2/'` |
| ft_min_micro_version=`echo $min_ft_version | \ |
| sed 's/\([[0-9]]*\).\([[0-9]]*\).\([[0-9]]*\)/\3/'` |
| if test x$enable_fttest = xyes ; then |
| ft_config_is_lt="" |
| if test $ft_config_major_version -lt $ft_min_major_version ; then |
| ft_config_is_lt=yes |
| else |
| if test $ft_config_major_version -eq $ft_min_major_version ; then |
| if test $ft_config_minor_version -lt $ft_min_minor_version ; then |
| ft_config_is_lt=yes |
| else |
| if test $ft_config_minor_version -eq $ft_min_minor_version ; then |
| if test $ft_config_micro_version -lt $ft_min_micro_version ; then |
| ft_config_is_lt=yes |
| fi |
| fi |
| fi |
| fi |
| fi |
| if test x$ft_config_is_lt = xyes ; then |
| no_ft=yes |
| else |
| ac_save_CFLAGS="$CFLAGS" |
| ac_save_LIBS="$LIBS" |
| CFLAGS="$CFLAGS $FT2_CFLAGS" |
| LIBS="$FT2_LIBS $LIBS" |
| |
| # |
| # Sanity checks for the results of freetype-config to some extent. |
| # |
| AC_RUN_IFELSE([ |
| AC_LANG_SOURCE([[ |
| |
| #include <ft2build.h> |
| #include <freetype/freetype.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| int |
| main() |
| { |
| FT_Library library; |
| FT_Error error; |
| |
| error = FT_Init_FreeType(&library); |
| |
| if (error) |
| return 1; |
| else |
| { |
| FT_Done_FreeType(library); |
| return 0; |
| } |
| } |
| |
| ]]) |
| ], |
| [], |
| [no_ft=yes], |
| [echo $ECHO_N "cross compiling; assuming OK... $ECHO_C"]) |
| |
| CFLAGS="$ac_save_CFLAGS" |
| LIBS="$ac_save_LIBS" |
| fi # test $ft_config_version -lt $ft_min_version |
| fi # test x$enable_fttest = xyes |
| fi # test "$FT2_CONFIG" = "no" |
| |
| if test x$no_ft = x ; then |
| AC_MSG_RESULT([yes]) |
| m4_if([$2], [], [:], [$2]) |
| else |
| AC_MSG_RESULT([no]) |
| if test "$FT2_CONFIG" = "no" ; then |
| AC_MSG_WARN([ |
| |
| The freetype-config script installed by FreeType 2 could not be found. |
| If FreeType 2 was installed in PREFIX, make sure PREFIX/bin is in |
| your path, or set the FT2_CONFIG environment variable to the |
| full path to freetype-config. |
| ]) |
| else |
| if test x$ft_config_is_lt = xyes ; then |
| AC_MSG_WARN([ |
| |
| Your installed version of the FreeType 2 library is too old. |
| If you have different versions of FreeType 2, make sure that |
| correct values for --with-ft-prefix or --with-ft-exec-prefix |
| are used, or set the FT2_CONFIG environment variable to the |
| full path to freetype-config. |
| ]) |
| else |
| AC_MSG_WARN([ |
| |
| The FreeType test program failed to run. If your system uses |
| shared libraries and they are installed outside the normal |
| system library path, make sure the variable LD_LIBRARY_PATH |
| (or whatever is appropriate for your system) is correctly set. |
| ]) |
| fi |
| fi |
| |
| FT2_CFLAGS="" |
| FT2_LIBS="" |
| m4_if([$3], [], [:], [$3]) |
| fi |
| |
| AC_SUBST([FT2_CFLAGS]) |
| AC_SUBST([FT2_LIBS])]) |
| |
| # end of freetype2.m4 |
