dnl
dnl $Id: xlib.m4 1856 2007-03-17 11:28:25Z karijes $
dnl
dnl Part of Equinox Desktop Environment (EDE).
dnl Copyright (c) pekwm authors.
dnl 
dnl This program is licenced under terms of the 
dnl GNU General Public Licence version 2 or newer.
dnl See COPYING for details.

dnl all dependencies needed for pekwm
AC_DEFUN([EDE_CHECK_PEKWM_DEPENDENCIES], [
AC_LANG_SAVE
AC_LANG_CPLUSPLUS

dnl Check for iconv
dnl AM_ICONV
dnl if test "x$am_cv_func_iconv" != "xyes"; then
dnl    AC_MSG_ERROR([Could not find iconv.])
dnl fi
dnl 
dnl PEKWM_LIBS="$LIBS $LIBICONV"
dnl PEKWM_CXXFLAGS="$CXXFLAGS $INCICONV"
dnl PEKWM_FEATURES=""
dnl 
dnl Check for iconvctl
AC_CHECK_FUNC(iconvctl, [AC_DEFINE(HAVE_ICONVCTL, [1], [Define to 1 if you the iconvctl call])], )

dnl Check for Xinerama support
AC_MSG_CHECKING([whether to build support for the Xinerama extension])
AC_CHECK_LIB(Xinerama, XineramaQueryScreens,
			AC_DEFINE(HAVE_XINERAMA, [1], [Define to 1 if you want Xinerama support to be])
			PEKWM_LIBS="$PEKWM_LIBS -lXinerama"
			PEKWM_FEATURES="$PEKWM_FEATURES Xinerama")

dnl Check for Xft support
AC_MSG_CHECKING([whether to support Xft fonts])
PKG_CHECK_MODULES([xft], [xft >= 2.0.0], HAVE_XFT=yes, HAVE_XFT=no)
if test "x$HAVE_XFT" = "xyes"; then
	AC_DEFINE(HAVE_XFT, [1], [Define to 1 if you want Xft2 font support])
	PEKWM_LIBS="$PEKWM_LIBS $xft_LIBS"
	PEKWM_CXXFLAGS="$PEKWM_CXXFLAGS $xft_CFLAGS"
	PEKWM_FEATURES="$PEKWM_FEATURES Xft";
else
	AC_MSG_WARN([Couldn't find Xft >= 2.0.0])
fi

if test "x$HAVE_LIBPNG" = "xyes"; then                
        THEME="default"
else
        THEME="default-plain"
fi
AC_SUBST([THEME])

dnl Check for XRANDR support
AC_MSG_CHECKING([wheter to build support for the XRANDR extension])
PKG_CHECK_MODULES([xrandr], [xrandr >= 1.2.0], HAVE_XRANDR=yes, HAVE_XRANDR=no)
if test "x$HAVE_XRANDR" = "xyes"; then
	AC_DEFINE(HAVE_XRANDR, [1], [Define to 1 if you have an XRANDR capable server])
	PEKWM_LIBS="$PEKWM_LIBS $xrandr_LIBS"
	PEKWM_CXXFLAGS="$PEKWM_CXXFLAGS $xrandr_CFLAGS"
	PEKWM_FEATURES="$PEKWM_FEATURES Xrandr"
else
	AC_MSG_WARN([Couldn't find Xrandr >= 1.2.0])
fi

dnl Check for header files
AC_STDC_HEADERS
AC_CHECK_HEADERS([limits slist ext/slist])

dnl Check that at least one of slist or ext/slist exists
if test "x$av_cv_header_slist" = "xno" \
   && test "x$av_cv_header_ext_slist" = "xno"; then
  AC_MSG_ERROR([Could not find slist or ext/slist include.])
fi

dnl Detect namespace slist is available in
AC_TRY_COMPILE([
#ifdef HAVE_SLIST
#include <slist>
#else // HAVE_EXT_SLIST
#include <ext/slist>
#endif // HAVE_SLIST
               ],[std::slist<int> test;],
               AC_DEFINE(SLIST_NAMESPACE, [std], [Name of namespace slist is in])
               slist_std_namespace=yes, [])

 if test "x$slist_std_namespace" != "xyes"; then
  AC_TRY_COMPILE([
#ifdef HAVE_SLIST
#include <slist>
#else // HAVE_EXT_SLIST
#include <ext/slist>
#endif // HAVE_SLIST
                 ],[__gnu_cxx::slist<int> test;],
                 AC_DEFINE(SLIST_NAMESPACE, [__gnu_cxx], [Name of namespace slist is in]), [])
fi

AC_CHECK_FUNC(setenv, [AC_DEFINE(HAVE_SETENV, [1], [Define to 1 if you the setenv systam call])], )
AC_CHECK_FUNC(unsetenv, [AC_DEFINE(HAVE_UNSETENV, [1], [Define to 1 if you the unsetenv systam call])], )
AC_CHECK_FUNC(swprintf, [AC_DEFINE(HAVE_SWPRINTF, [1], [Define to 1 if you have swprintf])], )

dnl Check whether time.h has timersub
AC_MSG_CHECKING(for timersub in time.h)
AC_TRY_LINK([#include <sys/time.h>],
            [struct timeval *a; timersub(a, a, a);],
            [have_timersub=yes],[])

if test "x$have_timersub" = "xyes"; then
	AC_MSG_RESULT(yes)
	AC_DEFINE([HAVE_TIMERSUB], 1, [Define to 1 if your system defines timersub.])
else
   AC_MSG_RESULT(no)
fi

dnl Check for XPM support
AC_MSG_CHECKING([wheter to build support XPM images])
AC_CHECK_LIB(Xpm, XpmReadFileToPixmap,
  AC_MSG_CHECKING([for X11/xpm.h])
    AC_TRY_COMPILE(
#include <X11/xpm.h>
			, int foo = XpmSuccess,
			AC_MSG_RESULT([yes])
			AC_DEFINE(HAVE_IMAGE_XPM, [1], [Define to 1 if you libXpm])
			PEKWM_LIBS="$PEKWM_LIBS -lXpm"
			PEKWM_FEATURES="$PEKWM_FEATURES image-xpm",
		AC_MSG_RESULT([no])))

dnl Check for JPEG support
 	AC_CHECK_LIB(jpeg, jpeg_read_header,
 		AC_MSG_CHECKING([for jpeglib.h])
 		AC_TRY_CPP([#include <jpeglib.h>],
			jpeg_ok=yes,
 			jpeg_ok=no)
 		AC_MSG_RESULT($jpeg_ok)
 		if test "$jpeg_ok" = yes; then
			AC_DEFINE(HAVE_IMAGE_JPEG, [1], [Define to 1 if you have jpeg6b])
 			PEKWM_LIBS="$PEKWM_LIBS -ljpeg"
 			PEKWM_FEATURES="$PEKWM_FEATURES image-jpeg"
 		fi,
 		AC_MSG_RESULT([no]))

dnl Check for PNG support
        PKG_CHECK_MODULES([libpng12], [libpng12 >= 1.2.0], HAVE_LIBPNG=yes, HAVE_LIBPNG=no)
        if test "x$HAVE_LIBPNG" = "xyes"; then
		AC_DEFINE(HAVE_IMAGE_PNG, [1], [Define to 1 if you have libpng12])
 		PEKWM_LIBS="$PEKWM_LIBS $libpng12_LIBS"
                PEKWM_CXXFLAGS="$PEKWM_CXXFLAGS $libpng12_CFLAGS"
 		PEKWM_FEATURES="$PEKWM_FEATURES image-png"
 	else
                PKG_CHECK_MODULES([libpng], [libpng >= 1.0.0], HAVE_LIBPNG=yes, HAVE_LIBPNG=no)

                if test "x$HAVE_LIBPNG" = "xyes"; then                
	        	AC_DEFINE(HAVE_IMAGE_PNG, [1], [Define to 1 if you have libpng12])
 		        PEKWM_LIBS="PEKWM_$LIBS $libpng_LIBS"
                        PEKWM_CXXFLAGS="$PEKWM_CXXFLAGS $libpng_CFLAGS"
                        PEKWM_FEATURES="$PEKWM_FEATURES image-png"
                else
                        AC_MSG_RESULT([no])
                fi
        fi

dnl Check whether to include debugging code
dnl AC_MSG_CHECKING([whether to include verbose debugging code])
dnl AC_ARG_ENABLE(debug,
dnl 	AC_HELP_STRING([--enable-debug],
dnl 								 [include verbose debugging code [default=no]]), ,
dnl 							[enable_debug=no])
dnl if test "x$enable_debug" = "xyes"; then
dnl 	AC_MSG_RESULT([yes])
dnl 	AC_DEFINE(DEBUG, [1], [Define to 1 to compile in debug information])
dnl 	FEATURES="$FEATURES debug"
dnl else
dnl 	AC_MSG_RESULT([no])
dnl fi
dnl 
dnl dnl Check wheter to use strict warnings
dnl AC_MSG_CHECKING([whether to use strict compile-time warnings])
dnl AC_ARG_ENABLE(pedantic,
dnl 	AC_HELP_STRING([--enable-pedantic],
dnl 								 [turn on strict compile-time warnings [default=no]]), ,
dnl 							[enable_pedantic=no])
dnl if test "$enable_pedantic" = "yes"; then
dnl 	AC_MSG_RESULT([yes])
dnl         if test "x$GXX" = "xyes"; then
dnl 		CXXFLAGS="-Wall -Werror -pedantic $CXXFLAGS"
dnl 	fi
dnl 	FEATURES="$FEATURES pedantic"
dnl else
dnl 	AC_MSG_RESULT([no])
dnl fi
dnl 

AC_DEFINE(OPACITY, [1], [Define to 1 to compile in support for opacity hinting])

EVO=`date`
AC_DEFINE_UNQUOTED(FEATURES, "$PEKWM_FEATURES", [Build info for pekwm, do not touch])
AC_DEFINE_UNQUOTED(EXTRA_VERSION_INFO, " Built on $EVO", [Build info for pekwm, do not touch])
AC_LANG_RESTORE
])