ref: 89c60eca67ae179ccf4dae3eddccf7de19b76c35
dir: /builds/unix/freetype2.m4/
# 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