dnl Process this file with autoconf to produce a configure script.

dnl Initialize with some random file to ensure the source is here.
AC_INIT(src/blwm.cc)

BLWM_MAJOR_VERSION=1
BLWM_MINOR_VERSION=0
BLWM_MICRO_VERSION=4

BLWM_VERSION=$BLWM_MAJOR_VERSION.$BLWM_MINOR_VERSION.$BLWM_MICRO_VERSION

AM_INIT_AUTOMAKE(blwm, $BLWM_VERSION)
AM_CONFIG_HEADER(config.h)
AM_MAINTAINER_MODE

dnl Evaluate options.
AC_ARG_ENABLE(debug,
	[  --enable-debug          include debugging code [no]],
	if test $enableval = yes ; then
		AC_DEFINE(DEBUG)
	fi)
AC_ARG_ENABLE(rmtcmd,
	[  --enable-rmtcmd         allow sending commands to blwm [yes]],
	if test $enableval = yes ; then
		AC_DEFINE(ALLOW_RMTCMD)
 	fi,
 	AC_DEFINE(ALLOW_RMTCMD))
 

AC_ARG_WITH(man,
	[  --with-man=locale       set locale of installed manual (pt/pt_BR) [guessed]],
	MAN_LOCALE=$withval,
	MAN_LOCALE="")

AC_ARG_ENABLE(xsmp,
	[  --enable-xsmp           enable X Session Management Protocol [guessed]],
	XSMP=$enableval,
	XSMP=guess)

AC_ARG_WITH(blwmdir,
	[  --with-blwmdir=DIR      blwm resources are in DIR [PREFIX/lib/blwm]],
	BLWMDIR=$withval,
	BLWMDIR="")

AC_ARG_WITH(imgdir,
	[  --with-imgdir=DIR       blwm image files are in DIR [BLWMDIR/images]],
 	IMGDIR=$withval,
 	IMGDIR="")

AC_ARG_WITH(confdir,
	[  --with-confdir=DIR      blwm config files are in DIR [BLWMDIR/conf]],
 	CONFDIR=$withval,
 	CONFDIR="")
 
AC_ARG_WITH(themedir,
	[  --with-themedir=DIR      blwm theme files are in DIR [BLWMDIR/themes]],
 	THEMEDIR=$withval,
 	THEMEDIR="")

dnl Checks for programs.
AC_PROG_CC
AC_PROG_CPP
AC_PROG_CXX
AC_PROG_YACC
AM_PROG_LEX
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET

AC_PATH_PROG(PATH_RM, rm)

dnl Checks for libraries.
AC_PATH_XTRA
CFLAGS="$CFLAGS $X_CFLAGS "
CXXFLAGS="$CXXFLAGS $X_CFLAGS "

dnl Checks for library functions.
AC_CHECK_LIB(X11, XOpenDisplay,
	X_LIBS="-lX11 $X_LIBS",
	AC_MSG_ERROR("Need X11"),
	$X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS)

AC_CHECK_LIB(Xext, XShapeCombineMask,
	X_LIBS="-lXext $X_LIBS",
	AC_MSG_WARN("Shape extension not used"),
	$X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS)

dnl -lSM -lICE is included in $X_PRE_LIBS
if test $XSMP = yes -o $XSMP = guess ; then
	AC_CHECK_LIB(SM, SmcOpenConnection,
		AC_DEFINE(USE_XSMP),
		if test $XSMP = yes ; then
			AC_MSG_ERROR("System does not support XSMP")
		else
			AC_MSG_WARN("XSMP not used")
		fi,
		$X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS)
else
	AC_MSG_WARN("XSMP not used")
fi



	AC_CHECK_LIB(Xpm, XpmReadFileToPixmap,
		X_LIBS="-lXpm $X_LIBS",
		AC_MSG_ERROR("Need Xpm library"),
		$X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS)


LIBS="$X_PRE_LIBS $X_LIBS $X_EXTRA_LIBS $LIBS"


dnl Checks for X locale.
AC_CHECK_LIB(X11, _Xsetlocale, AC_DEFINE(X_LOCALE))
AC_CHECK_LIB(xpg4, setlocale, LIBS="$LIBS -lxpg4")

dnl Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_PID_T
AC_TYPE_SIZE_T

# If we use gcc 2.95, add -fpermissive to CFLAGS and CXXFLAGS
#if test $ac_cv_prog_gcc = yes ; then
#	AC_CACHE_CHECK(
#		[if gcc version is >= 2.95],
#		blwm_cv_gcc_fpermissive,
#		AC_LANG_SAVE
#		AC_LANG_CPLUSPLUS
#		AC_TRY_RUN([
#int main()
#{
##if defined __GNUC__ && (__GNUC__ > 2 || __GNUC__ == 2 && __GNUC_MINOR__ >= 95)
#	exit(0);
##else
#	exit(1);
##endif
#}],
#		blwm_cv_gcc_fpermissive=yes,
#		blwm_cv_gcc_fpermissive=no,
#		blwm_cv_gcc_fpermissive=no)
#		AC_LANG_RESTORE)
#	if test $blwm_cv_gcc_fpermissive = yes ; then
#		CFLAGS="$CFLAGS -fpermissive"
#		CXXFLAGS="$CXXFLAGS -fpermissive"
#	fi
#fi


dnl Checks for functions.
AC_FUNC_VFORK
AC_FUNC_VPRINTF
AC_CHECK_FUNCS(usleep)

dnl Makes a symbolic link
AC_LINK_FILES(man/$MANUAL, man/blwm.1x)

# Select language for manual page from the specified parameter or, if missing,
# the LANGUAGE environment variable. LANG can not be used, as autoconf alters it
# to cope with broken systems.
if test -z "$MAN_LOCALE"; then
	MAN_LOCALE=$LANGUAGE
fi
case "$MAN_LOCALE" in
	# short iso|long iso|existing broken names|allowed parameter
	pt|pt_BR|[bB]ra[zs]il*|[bB][rR])
		MANUAL=blwm.man-br
	;;
	*)
		MANUAL=blwm.man
	;;
esac

if test -z "$BLWMDIR"; then
	if test "x$prefix" = xNONE ; then
		BLWMDIR=$ac_default_prefix/lib/blwm
	else
		BLWMDIR=$prefix/lib/blwm
	fi
fi
AC_SUBST(BLWMDIR)

	 if test -z "$IMGDIR"; then
 		IMGDIR=$BLWMDIR/images
	 fi

AC_SUBST(IMGDIR)
 
	 if test -z "$CONFDIR"; then
 		CONFDIR=$BLWMDIR/conf
	 fi

AC_SUBST(CONFDIR)

 	 if test -z "$THEMEDIR"; then
  		THEMEDIR=$BLWMDIR/themes
 	 fi
 
AC_SUBST(THEMEDIR)


AC_OUTPUT(Makefile
	src/Makefile
	src/bitmaps/Makefile
	images/Makefile
	doc/Makefile
	man/Makefile
	rc/Makefile
	rc/system.blwmrc
	themes/Makefile)

echo ""
echo "Configure finalizado!"
echo "          Digite:  'make' para compilar o Blanes2000."
echo "          Depois:  'make install' para que ele seja instalado."
echo ""