ref: a259b6dddbdf1e23346bd8d9816c5c68adb7d433
dir: /builds/unix/freetype2.m4/
# Configure paths for FreeType2
# Marcelo Magallon 2001-10-26, based on gtk.m4 by Owen Taylor
dnl AC_CHECK_FT2([MINIMUM-VERSION, [ACTION-IF-FOUND [, ACTION-IF-NOT-FOUND]]])
dnl Test for FreeType2, and define FT2_CFLAGS and FT2_LIBS
dnl
AC_DEFUN(AC_CHECK_FT2,
[dnl
dnl Get the cflags and libraries from the freetype-config script
dnl
AC_ARG_WITH(ft-prefix,
[ --with-ft-prefix=PREFIX
Prefix where FreeType is installed (optional)],
ft_config_prefix="$withval", ft_config_prefix="")
AC_ARG_WITH(ft-exec-prefix,
[ --with-ft-exec-prefix=PREFIX
Exec prefix where FreeType is installed (optional)],
ft_config_exec_prefix="$withval", ft_config_exec_prefix="")
AC_ARG_ENABLE(freetypetest,
[ --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
AC_PATH_PROG(FT2_CONFIG, freetype-config, no)
min_ft_version=ifelse([$1], ,6.1.0,$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"
dnl
dnl Sanity checks for the results of freetype-config to some extent
dnl
AC_TRY_RUN([
#include <ft2build.h>
#include FT_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 $ac_n "cross compiling; assumed OK... $ac_c"])
CFLAGS="$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)
ifelse([$2], , :, [$2])
else
AC_MSG_RESULT(no)
if test "$FT2_CONFIG" = "no" ; then
echo "*** The freetype-config script installed by FreeType 2 could not be found."
echo "*** If FreeType 2 was installed in PREFIX, make sure PREFIX/bin is in"
echo "*** your path, or set the FT2_CONFIG environment variable to the"
echo "*** full path to freetype-config."
else
if test x$ft_config_is_lt = xyes ; then
echo "*** Your installed version of the FreeType 2 library is too old."
echo "*** If you have different versions of FreeType 2, make sure that"
echo "*** correct values for --with-ft-prefix or --with-ft-exec-prefix"
echo "*** are used, or set the FT2_CONFIG environment variable to the"
echo "*** full path to freetype-config."
else
echo "*** The FreeType test program failed to run. If your system uses"
echo "*** shared libraries and they are installed outside the normal"
echo "*** system library path, make sure the variable LD_LIBRARY_PATH"
echo "*** (or whatever is appropiate for your system) is correctly set."
fi
fi
FT2_CFLAGS=""
FT2_LIBS=""
ifelse([$3], , :, [$3])
fi
AC_SUBST(FT2_CFLAGS)
AC_SUBST(FT2_LIBS)
])