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# Public macros for the TeX Live (TL) tree.
# Copyright (C) 2009 Peter Breitenlohner <tex-live@tug.org>
#
# This file is free software; the copyright holder
# gives unlimited permission to copy and/or distribute it,
# with or without modifications, as long as this notice is preserved.
# serial 0
# KPSE_FONTCONFIG_FLAGS
# ---------------------
# Provide the configure option '--with-fontconfig' and check for
# installed fontconfig headers and library.
# Check or set the cache variables kpse_cv_have_fontconfig,
# kpse_cv_fontconfig_includes, and kpse_cv_fontconfig_libs.
# If found set the Make variables FONTCONFIG_INCLUDES and FONTCONFIG_LIBS
# to the CPPFLAGS and LIBS required for the installed '-lfontconfig'
# library and define HAVE_LIBFONTCONFIG.
AC_DEFUN([KPSE_FONTCONFIG_FLAGS],
[AC_ARG_WITH([fontconfig],
AS_HELP_STRING([--with-fontconfig=DIR],
[use fontconfig include/library files from DIR]))[]dnl
AC_CACHE_CHECK([for installed fontconfig headers and library],
[kpse_cv_have_fontconfig],
[kpse_save_CPPFLAGS=$CPPFLAGS
kpse_save_LIBS=$LIBS
if test "x$with_fontconfig" != x && test -d "$with_fontconfig"; then
kpse_cv_fontconfig_includes="-I$with_fontconfig/include"
kpse_cv_fontconfig_libs="-L$with_fontconfig/lib -lfontconfig"
else
kpse_cv_fontconfig_includes=
kpse_cv_fontconfig_libs='-lfontconfig'
fi
CPPFLAGS="$kpse_cv_fontconfig_includes $CPPFLAGS"
LIBS="$kpse_cv_fontconfig_libs $LIBS"
AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <fontconfig/fontconfig.h>]],
[[FcObjectSet *os; FcInit();]])],
[kpse_cv_have_fontconfig=yes],
[kpse_cv_have_fontconfig=no])
CPPFLAGS=$kpse_save_CPPFLAGS
LIBS=$kpse_save_LIBS])
if test "x$kpse_cv_have_fontconfig" = xyes; then
FONTCONFIG_INCLUDES=$kpse_cv_fontconfig_includes
FONTCONFIG_LIBS=$kpse_cv_fontconfig_libs
AC_DEFINE([HAVE_LIBFONTCONFIG], 1, [Define if you have libfontconfig.])
fi
AC_SUBST([FONTCONFIG_INCLUDES])
AC_SUBST([FONTCONFIG_LIBS])
]) # KPSE_FONTCONFIG_FLAGS
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