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svn path=/trunk/; revision=15919

1 files changed, 80 insertions, 0 deletions

diff --git a/macros/gnome-x-checks.m4 b/macros/gnome-x-checks.m4
new file mode 100644
index 0000000000..1e397ef8e3
--- /dev/null
+++ b/macros/gnome-x-checks.m4
@@ -0,0 +1,80 @@
+dnl GNOME_X_CHECKS
+dnl
+dnl Basic X11 related checks for X11.  At the end, the following will be
+dnl defined/changed:
+dnl   GTK_{CFLAGS,LIBS}      From AM_PATH_GTK
+dnl   CPPFLAGS		     Will include $X_CFLAGS
+dnl   GNOME_HAVE_SM	     `true' or `false' depending on whether session
+dnl                          management is available.  It is available if
+dnl                          both -lSM and X11/SM/SMlib.h exist.  (Some
+dnl                          Solaris boxes have the library but not the header)
+dnl   XPM_LIBS               -lXpm if Xpm library is present, otherwise ""
+dnl
+dnl The following configure cache variables are defined (but not used):
+dnl   gnome_cv_passdown_{x_libs,X_LIBS,X_CFLAGS}
+dnl
+AC_DEFUN([GNOME_X_CHECKS],
+[
+	AM_PATH_GTK(1.2.0,,AC_MSG_ERROR(GTK not installed, or gtk-config not in path))
+	dnl Hope that GTK_CFLAGS have only -I and -D.  Otherwise, we could
+	dnl   test -z "$x_includes" || CPPFLAGS="$CPPFLAGS -I$x_includes"
+	dnl
+	dnl Use CPPFLAGS instead of CFLAGS because AC_CHECK_HEADERS uses
+	dnl CPPFLAGS, not CFLAGS
+        CPPFLAGS="$CPPFLAGS $GTK_CFLAGS"
+
+        saved_ldflags="$LDFLAGS"
+        LDFLAGS="$LDFLAGS $GTK_LIBS"
+
+	gnome_cv_passdown_x_libs="$GTK_LIBS"
+	gnome_cv_passdown_X_LIBS="$GTK_LIBS"
+	gnome_cv_passdown_X_CFLAGS="$GTK_CFLAGS"
+	gnome_cv_passdown_GTK_LIBS="$GTK_LIBS"
+
+        LDFLAGS="$saved_ldflags $GTK_LIBS"
+
+dnl We are requiring GTK >= 1.1.1, which means this will be fine anyhow.
+	USE_DEVGTK=true
+
+dnl	AC_MSG_CHECKING([whether to use features from (unstable) GTK+ 1.1.x])
+dnl	AC_EGREP_CPP(answer_affirmatively,
+dnl	[#include <gtk/gtkfeatures.h>
+dnl	#ifdef GTK_HAVE_FEATURES_1_1_0
+dnl	   answer_affirmatively
+dnl	#endif
+dnl	], dev_gtk=yes, dev_gtk=no)
+dnl	if test "$dev_gtk" = "yes"; then
+dnl	   USE_DEVGTK=true
+dnl	fi
+dnl	AC_MSG_RESULT("$dev_gtk")
+
+	GNOME_HAVE_SM=true
+	case "$GTK_LIBS" in
+	 *-lSM*)
+	    dnl Already found it.
+	    ;;
+	 *)
+	    dnl Assume that if we have -lSM then we also have -lICE.
+	    AC_CHECK_LIB(SM, SmcSaveYourselfDone,
+	        [GTK_LIBS="-lSM -lICE $GTK_LIBS"],GNOME_HAVE_SM=false,
+		$x_libs -lICE)
+	    ;;
+	esac
+
+	if test "$GNOME_HAVE_SM" = true; then
+	   AC_CHECK_HEADERS(X11/SM/SMlib.h,,GNOME_HAVE_SM=false)
+	fi
+
+	if test "$GNOME_HAVE_SM" = true; then
+	   AC_DEFINE(HAVE_LIBSM)
+	fi
+
+	XPM_LIBS=""
+	AC_CHECK_LIB(Xpm, XpmFreeXpmImage, [XPM_LIBS="-lXpm"], , $x_libs)
+	AC_SUBST(XPM_LIBS)
+
+	AC_REQUIRE([GNOME_PTHREAD_CHECK])
+        LDFLAGS="$saved_ldflags"
+
+	AC_PROVIDE([GNOME_X_CHECKS])
+])