dnl 
dnl  Copyright © 2003 Keith Packard, Noah Levitt
dnl 
dnl  Permission to use, copy, modify, distribute, and sell this software and its
dnl  documentation for any purpose is hereby granted without fee, provided that
dnl  the above copyright notice appear in all copies and that both that
dnl  copyright notice and this permission notice appear in supporting
dnl  documentation, and that the name of Keith Packard not be used in
dnl  advertising or publicity pertaining to distribution of the software without
dnl  specific, written prior permission.  Keith Packard makes no
dnl  representations about the suitability of this software for any purpose.  It
dnl  is provided "as is" without express or implied warranty.
dnl 
dnl  KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
dnl  INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
dnl  EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
dnl  CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
dnl  DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
dnl  TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
dnl  PERFORMANCE OF THIS SOFTWARE.
dnl
dnl Process this file with autoconf to create configure.

AC_PREREQ([2.60])

dnl
dnl This is the package version number, not the shared library
dnl version.  This version number will be substituted into Xft.h
dnl Please bump the minor library number at each release as well.
dnl
AC_INIT([libXft], [2.2.0],
        [https://bugs.freedesktop.org/enter_bug.cgi?product=xorg], [libXft])
AC_CONFIG_AUX_DIR(.)

AM_INIT_AUTOMAKE([foreign dist-bzip2])
AM_MAINTAINER_MODE

# Require X.Org macros 1.8 or later for MAN_SUBSTS set by XORG_MANPAGE_SECTIONS
m4_ifndef([XORG_MACROS_VERSION],
          [m4_fatal([must install xorg-macros 1.8 or later before running autoconf/autogen])])
XORG_MACROS_VERSION(1.8)
XORG_DEFAULT_OPTIONS
AM_CONFIG_HEADER(config.h)

# checks for progs
AC_PROG_CC
AC_PROG_LIBTOOL
AC_PROG_SED

# Set library version for Xft.h from package version set in AC_INIT
# copied from PACKAGE_VERSION_* settings in XORG_VERSION
AC_CONFIG_HEADERS([include/X11/Xft/Xft.h])
AC_DEFINE_UNQUOTED([XFT_MAJOR],
                [`echo $PACKAGE_VERSION | cut -d . -f 1`],
                [Major version of Xft])
AC_DEFINE_UNQUOTED([XFT_MINOR],
                [`echo $PACKAGE_VERSION | cut -d . -f 2 | cut -d - -f 1`],
                [Minor version of Xft])
AC_DEFINE_UNQUOTED([XFT_REVISION],
                [`echo $PACKAGE_VERSION | cut -d . -f 3 | cut -d - -f 1`],
                [Micro revision of Xft])

XFT_LT_VERSION=`echo $PACKAGE_VERSION | tr '.' ':'`
AC_SUBST([XFT_LT_VERSION])

#
# Check for Xrender
#
PKG_CHECK_MODULES(XRENDER, xrender >= 0.8.2, [xrender_found_with_pkgconfig=yes], 
                  [xrender_found_with_pkgconfig=no])
case "$xrender_found_with_pkgconfig" in
no)
	PKG_CHECK_MODULES(XRENDER, xrender >= 0, [old_xrender_found_with_pkgconfig=yes], 
			  [old_xrender_found_with_pkgconfig=no])
	case "$old_xrender_found_with_pkgconfig" in
	yes)
		XRENDER_LIBS="$XRENDER_LIBS -lXext -lX11"
		;;
	*)
	        # checks for X
	        AC_PATH_X

	        XRENDER_CFLAGS="-I$x_includes"
	        XRENDER_LIBS="-L$x_libraries -lXrender -lXext -lX11"

	        saved_CPPFLAGS="$CPPFLAGS"
	        CPPFLAGS="$CPPFLAGS $XRENDER_CFLAGS"
	        AC_CHECK_HEADERS([X11/extensions/Xrender.h], [], [AC_MSG_ERROR([Xrender.h not found.])])
	        CPPFLAGS="$saved_CPPFLAGS"

	        saved_LIBS="$LIBS"
	        LIBS="$LIBS $XRENDER_LIBS"
	        AC_CHECK_FUNCS([XRenderFindStandardFormat], [], [AC_MSG_ERROR([libXrender not found or too old.])])
	        LIBS="$saved_LIBS"
		;;
	esac
        ;;
esac

# Check freetype configuration
AC_ARG_WITH(freetype-config, [  --with-freetype-config=PROG   Use FreeType configuration program PROG], freetype_config=$withval, freetype_config=auto)
	
if test "$freetype_config" = "auto"; then
	PKG_CHECK_MODULES(FREETYPE, freetype2, 
		freetype_config=no, freetype_config=yes)
fi

if test "$freetype_config" = "yes"; then 
	AC_PATH_PROG(ft_config,freetype-config,no)
	if test "$ft_config" = "no"; then
		AC_MSG_ERROR([You must have freetype installed; see http://www.freetype.org/])
	fi
else
	ft_config="$freetype_config"
fi

if test "$freetype_config" != "no"; then 	
	FREETYPE_CFLAGS="`$ft_config --cflags`"
	FREETYPE_LIBS="`$ft_config --libs`"
fi

# Check fontconfig configuration
PKG_CHECK_MODULES(FONTCONFIG, fontconfig >= 2.2)

AC_SUBST(XRENDER_CFLAGS)
AC_SUBST(XRENDER_LIBS)
AC_SUBST(FREETYPE_CFLAGS)
AC_SUBST(FREETYPE_LIBS)
AC_SUBST(FONTCONFIG_CFLAGS)
AC_SUBST(FONTCONFIG_LIBS)

fontconfig_save_libs="$LIBS"
fontconfig_save_cflags="$CFLAGS"
LIBS="$LIBS $FREETYPE_LIBS"
CFLAGS="$CFLAGS $FREETYPE_CFLAGS"
AC_CHECK_FUNCS(FT_Get_Next_Char FT_Get_BDF_Property FT_Get_PS_Font_Info FT_Has_PS_Glyph_Names FT_GlyphSlot_Embolden)
AC_CHECK_MEMBER(FT_Bitmap_Size.y_ppem,
		HAVE_FT_BITMAP_SIZE_Y_PPEM=1,
		HAVE_FT_BITMAP_SIZE_Y_PPEM=0,
[#include <ft2build.h>
#include FT_FREETYPE_H])
AC_DEFINE_UNQUOTED(HAVE_FT_BITMAP_SIZE_Y_PPEM,$HAVE_FT_BITMAP_SIZE_Y_PPEM,
		   [FT_Bitmap_Size structure includes y_ppem field])

LIBS="$fontconfig_save_libs"
CFLAGS="$fontconfig_save_cflags"

if test "$VERSION" = "" ; then
       VERSION=$PACKAGE_VERSION;
fi

AC_OUTPUT([Makefile
	   xft.pc
	   src/Makefile
	   man/Makefile])