dnl
dnl $Id: configure.in 1719 2006-08-15 08:56:42Z karijes $
dnl
dnl Part of Equinox Desktop Environment (EDE).
dnl Copyright (c) 2000-2008 EDE 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.

m4_define([ede_major_version], [2])
m4_define([ede_minor_version], [0])
m4_define([ede_patch_version], [0])
m4_define([ede_version], [ede_major_version.ede_minor_version.ede_patch_version])

AC_PREREQ(2.13)
AC_INIT(EDE, ede_version, [karijes@users.sourceforge.net])
AC_CONFIG_SRCDIR(COPYING)
AC_CONFIG_HEADER(config.h:config.h.in)

dnl PACKAGE_VERSION is filled from AC_INIT
EDE_VERSION=$PACKAGE_VERSION

if test "$prefix" = NONE; then
	EDE_INSTALL_DIR="/usr/local"
else
	EDE_INSTALL_DIR="$prefix"
fi
AC_DEFINE_UNQUOTED(PREFIX, "$EDE_INSTALL_DIR", [Default installation place])

EDE_OPTIM_FLAGS=""
EDE_DEBUG_FLAGS=""

AC_ARG_ENABLE(debug, AC_HELP_STRING([--enable-debug], [turn on debugging support (default=no)]),, enable_debug=no)
AC_ARG_ENABLE(profile, AC_HELP_STRING([--enable-profile], [turn on profiling support (default=no)]),, enable_profile=no)
AC_ARG_ENABLE(shape, AC_HELP_STRING([--enable-shape], [enable XShape extension (default=yes)]),, enable_shape=yes)
AC_ARG_ENABLE(composite, AC_HELP_STRING([--enable-composite], [enable XComposite extension (default=yes)]),, enable_composite=yes)
AC_ARG_ENABLE(hal, AC_HELP_STRING([--enable-hal], [enable HAL support (default=yes)]),, enable_hal=yes)

dnl set 'with_fltk_path'
AC_ARG_WITH(fltk_path, AC_HELP_STRING([--with-fltk-path=[DIR]], [alternative directory where FLTK is installed]))
dnl set 'with_efltk_path'
AC_ARG_WITH(efltk_path, AC_HELP_STRING([--with-efltk-path=[DIR]], [alternative directory where eFLTK is installed]))
dnl set 'with_edelib_path'
AC_ARG_WITH(edelib_path, AC_HELP_STRING([--with-edelib-path=[DIR]], [alternative directory where edelib is installed]))

AC_PROG_CXX
AC_PROG_CPP
EDE_PROG_JAM

AC_PATH_PROG(MSGFMT, msgfmt)
AC_PATH_PROG(XGETTEXT, xgettext)
AC_PATH_PROG(GDB, gdb)
AC_PATH_PROG(PYTHON, python)

dnl X_CFLAGS, X_PRE_LIBS, X_LIBS, X_EXTRA_LIBS are replaced iff are X on nonstandard paths
AC_PATH_XTRA

AC_HEADER_STDC

if test "$enable_profile" = "yes"; then
	enable_debug=yes
fi

if test "$enable_debug" = "yes"; then
	EDE_DEBUG_FLAGS="$EDE_DEBUG_FLAGS -g3 -D_DEBUG -DDEBUG"
	EDE_OPTIM_FLAGS=""
fi

if test "$enable_profile" = "yes"; then
	EDE_DEBUG_FLAGS="$EDE_DEBUG_FLAGS -pg"
fi

if test "$enable_shape" = "yes"; then
	AC_CHECK_HEADER(X11/extensions/shape.h, [have_xshape_h=yes],)

	if test "$have_xshape_h" = "yes"; then
		AC_CHECK_LIB(Xext, XShapeInputSelected, [have_xshape=yes],,$X_LIBS)
	fi

	if test "$have_xshape" = "yes"; then
		AC_DEFINE(HAVE_SHAPE, 1, [Define to 1 if you have XShape extension])
	fi
fi

if test "$enable_composite" = "yes"; then
	PKG_CHECK_MODULES(COMPOSITE, [xcomposite, xdamage, xext], [have_xcomposite=yes], [have_composite=no])

	if test "$have_xcomposite" = "yes"; then
		AC_DEFINE(HAVE_COMPOSITE, 1, [Define to 1 if you have Xcomposite extension])
	fi
fi

if test "$enable_hal" = "yes"; then
	PKG_CHECK_MODULES(HAL, [hal, hal-storage], [have_hal=yes], [have_hal=no])

	if test "$have_hal" = "yes"; then
		AC_DEFINE(HAVE_HAL, 1, [Define to 1 if you have HAL libraries])
	fi
fi

PKG_CHECK_MODULES(LIBSTARTUP_NOTIFICATION, [libstartup-notification-1.0], 
				  [have_libstartup_notification=yes], [have_libstartup_notification=no])
if test "$have_libstartup_notification" = "yes"; then
	AC_DEFINE(HAVE_LIBSTARTUP_NOTIFICATION, 1, [Define to 1 if you have libstartup-notification libraries])
else
	AC_MSG_RESULT(no)
fi

if test -n "$with_edelib_path"; then
	PKG_CONFIG_PATH="$PKG_CONFIG_PATH:$with_edelib_path"
else
	dnl TODO: remove this in release
	PKG_CONFIG_PATH="$PKG_CONFIG_PATH:/opt/ede/lib/pkgconfig"
fi

PKG_CHECK_MODULES(EDELIB, [edelib],, [have_edelib=no])
if test "$have_edelib" = "no"; then
	AC_MSG_ERROR(edelib not found! You must install it first)
fi

PKG_CHECK_MODULES(EDELIB_GUI, [edelib-gui],, [have_edelib_gui=no])
if test "$have_edelib_gui" = "no"; then
	AC_MSG_ERROR(edelib-gui not found! You must install it first)
fi

PKG_CHECK_MODULES(EDELIB_DBUS, [edelib-dbus],, [have_edelib_dbus=no])
if test "$have_edelib_dbus" = "no"; then
	AC_MSG_ERROR(edelib-dbus not found! You must install it first)
fi

dnl find edelib documentation
EDELIB_API_INDEX=`$PKG_CONFIG --variable=edelibdocdir edelib`
EDELIB_API_INDEX="$EDELIB_API_INDEX/html/index.html"

if test "x$with_fltk_path" = "x"; then
	AC_PATH_PROG(FLTK_CONFIG, fltk-config)
else
	AC_PATH_PROG(FLTK_CONFIG, fltk-config,, "$with_fltk_path/bin")
fi

if test -n "$FLTK_CONFIG"; then
	fltk_version=`$FLTK_CONFIG --version`

	AC_MSG_CHECKING([for FLTK version >= 1.1.7])

	case "$fltk_version" in ["1.1."[789]])
		AC_MSG_RESULT(yes)
		;;
		["1.1.10"])
		AC_MSG_RESULT(yes)
		;;
		dnl check for FLTK 1.3.x branch
		["1.3."[01]])
		AC_MSG_RESULT([yes... Looks like you have unstable FLTK branch ($fltk_version). EDE is not well tested with these FLTK versions])
		;;
		*)
		AC_MSG_ERROR([Looks like you have an older FLTK version ($fltk_version). Required is >= 1.1.7])
	esac

	dnl remove -Wno-non-virtual-dtor from flags (also, on NetBSD they added -O2 flag; stupid)
	FLTK_CFLAGS=`$FLTK_CONFIG --cxxflags | sed -e 's/-Wno-non-virtual-dtor//' | sed -e 's/-O[1-3]//g'`
	dnl remove -lsupc++ so we can chose what to use
	FLTK_LIBS_NOIMAGES=`$FLTK_CONFIG --ldflags | sed -e 's/-lsupc++//g'`
	FLTK_LIBS=`$FLTK_CONFIG --use-images --ldflags | sed -e 's/-lsupc++//g'`
else
	AC_MSG_ERROR([You don't have FLTK installed. To compile EDE, you will need it.])
fi

if test "x$with_efltk_path" = "x"; then
	AC_PATH_PROG(EFLTK_CONFIG, efltk-config)
else
	AC_PATH_PROG(EFLTK_CONFIG, efltk-config,, "$with_efltk_path/bin")
fi

if test -n "$EFLTK_CONFIG"; then
	efltk_version=`$EFLTK_CONFIG --version`

	AC_MSG_CHECKING([for eFLTK version >= 2.0.4])

	case "$efltk_version" in ["2.0."[456789]])
		AC_MSG_RESULT(yes)
		;;
	*)
		AC_MSG_ERROR([Looks like you have an older eFLTK version ($efltk_version). Required is >= 2.0.4])
	esac

	EFLTK_CFLAGS=`$EFLTK_CONFIG --cxxflags`
	EFLTK_LIBS_NOIMAGES=`$EFLTK_CONFIG --ldflags`
	EFLTK_LIBS=`$EFLTK_CONFIG --use-xml --use-images --ldflags`
else
	AC_MSG_WARN([You don't have eFLTK installed. EDE will be built without window manager!])
fi

EDE_CHECK_LIBXPM
if test "$have_libxpm" = "yes"; then
	FLTK_LIBS="$FLTK_LIBS $LIBXPM_LIBS"
	FLTK_LIBS_NOIMAGES="$FLTK_LIBS_NOIMAGES $LIBXPM_LIBS"
fi

EDE_CHECK_STATFS
EDE_LARGEFILE

AC_PATH_PROG(CURL_CONFIG, curl-config)
if test -n "$CURL_CONFIG"; then
	CURL_CFLAGS=`$CURL_CONFIG --cflags`
	CURL_LIBS=`$CURL_CONFIG --libs`
	AC_DEFINE(HAVE_CURL, 1, [Define to 1 if you have curl library])
fi

dnl emits PTHREAD_CFLAGS and PTHREAD_LIBS
ACX_PTHREAD

AC_MSG_CHECKING([for XKB extension files])
ac_save_CFLAGS="$CFLAGS"
ac_save_LIBS="$LIBS"
CFLAGS="$CFLAGS $X_CFLAGS"
LIBS="$LIBS $X_LIBS $X_EXTRA_LIBS -lxkbfile"

AC_LANG_SAVE
AC_LANG_C
AC_TRY_LINK([
	#include <stdio.h>
	#include <X11/XKBlib.h>
	#include <X11/extensions/XKBrules.h>
],[
	FILE *fd = fopen("/some/file", "r");
	XkbRF_RulesPtr ptr;
	XkbRF_LoadRules(fd, ptr);
],[have_xkbrules=yes],[])
AC_LANG_RESTORE

CFLAGS="ac_save_CFLAGS"
LIBS="ac_save_LIBS"

if test "$have_xkbrules" = "yes"; then
	AC_DEFINE(HAVE_XKBRULES, 1, [Define to 1 if you have XKB extension])
	XKB_LIBS="$X_LIBS -lxkbfile"
	AC_MSG_RESULT(yes)
else 
	AC_MSG_RESULT(no)
fi

dnl expand variables before EDE_INIT_JAM convert them to jam variables
EDE_EXPAND(sysconfdir, "NONE", my_sysconfdir)

EDE_INIT_JAM

AC_SUBST(EDE_VERSION)
AC_SUBST(EDE_OPTIM_FLAGS)
AC_SUBST(EDE_DEBUG_FLAGS)
AC_SUBST(FLTK_CFLAGS)
AC_SUBST(FLTK_LIBS)
AC_SUBST(FLTK_LIBS_NOIMAGES)
AC_SUBST(EFLTK_CFLAGS)
AC_SUBST(EFLTK_LIBS_NOIMAGES)
AC_SUBST(EFLTK_LIBS)
AC_SUBST(EDELIB_API_INDEX)
AC_SUBST(CURL_CFLAGS)
AC_SUBST(CURL_LIBS)
AC_SUBST(LARGEFILE)
AC_SUBST(XKB_LIBS)
AC_SUBST(my_sysconfdir)

AC_OUTPUT([
 Jamconfig
 tools/l10n-prepare.sh
 data/startede
 data/ede.desktop
 doc/index.txt
 services/org.equinoxproject.Launch.service
 services/org.equinoxproject.StartupNotify.service
])

chmod +x tools/l10n-prepare.sh
chmod +x data/startede