dnl Process this file with autoconf to produce a configure script.
AC_INIT(Bucket.h)

AC_CONFIG_HEADER(config.h)

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

dnl Checks for header files.
AC_PATH_XTRA
AC_HEADER_STDC
AC_CHECK_HEADERS(unistd.h)

dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST

AC_ARG_ENABLE(motif,
	[  --enable-motif          build with the Motif widget set])

if test "$enable_motif" != "no"; then
	saved_cflags="$CFLAGS"
	saved_libs="$LIBS"
	CFLAGS="$CFLAGS $X_CFLAGS"
	LIBS="$LIBS $X_LIBS $X_PRE_LIBS"
	AC_CHECK_LIB(Xm, XmGetPixmap, motif=yes, , -lXt -lX11)

	if test "X$motif" = X"yes"; then
		AC_DEFINE(USE_MOTIF)
		WIDGET_LIBS="$WIDGET_LIBS -lXm"
		if test "X$libxp" = X"yes"; then
			WIDGET_LIBS="$WIDGET_LIBS -lXp -lXext"
		fi
		WIDGET_OBJS="$WIDGET_OBJS x11-motif.o"
	fi

	CFLAGS=$saved_cflags
	LIBS=$saved_libs
fi

AC_ARG_ENABLE(athena,
	[  --enable-athena         build with the Athena widget set])

if test "$enable_athena" != "no"; then
	saved_cflags="$CFLAGS"
	saved_libs="$LIBS"
	CFLAGS="$CFLAGS $X_CFLAGS"
	LIBS="$LIBS $X_LIBS $X_PRE_LIBS"
	AC_CHECK_LIB(Xaw3d, XawInitializeWidgetSet,
		     [athena=yes athena3d=yes], ,
		     -lXmu -lXt -lX11)

	if test "X$athena" != X"yes"; then
		AC_CHECK_LIB(Xaw, XawInitializeWidgetSet, athena=yes, ,
			     -lXmu -lXt -lX11)
	fi

	if test "X$athena" = X"yes"; then
		AC_DEFINE(USE_ATHENA)
		if test "X$athena3d" = X"yes"; then
			xawlib=-lXaw3d
		else
			xawlib=-lXaw
		fi
		WIDGET_LIBS="$WIDGET_LIBS $xawlib -lXmu"
		WIDGET_OBJS="$WIDGET_OBJS x11-athena.o"
	fi

	CFLAGS=$saved_cflags
	LIBS=$saved_libs
fi

if test "X$motif" = X"yes" -o "X$athena" = X"yes"; then
	WIDGET_LIBS="$WIDGET_LIBS -lXt -lXpm -lX11"
	WIDGET_OBJS="$WIDGET_OBJS x11.o"
	AC_SUBST(WIDGET_LIBS)
	AC_SUBST(WIDGET_OBJS)
fi

AC_ARG_ENABLE(gtk,
	[  --enable-gtk            build with the GTK widget set])

if test "$enable_gtk" != "no"; then
	AC_CHECK_PROG(GTKCONFIG, gtk-config, yes, no)

	if test "X$GTKCONFIG" = X"yes"; then
		AC_DEFINE(USE_GTK)
		GTK_CFLAGS="`gtk-config --cflags`"
		WIDGET_LIBS="$WIDGET_LIBS `gtk-config --libs`"
		WIDGET_OBJS="$WIDGET_OBJS gtk.o"
	fi
fi
AC_SUBST(GTK_CFLAGS)

AC_OUTPUT(Makefile)