AC_DEFUN([GNOME_X_CHECKS],
[
AC_PATH_X
AC_PATH_XTRA
saved_cflags="$CFLAGS"
saved_ldflags="$LDFLAGS"
CFLAGS="$X_CFLAGS"
LDFLAGS="$X_LDFLAGS $X_LIBS"
dnl Checks for libraries.
AC_CHECK_LIB(X11, XOpenDisplay,
x_libs="$X_PRE_LIBS -lX11 $X_EXTRA_LIBS",
[AC_MSG_ERROR(No X11 installed)],
$X_EXTRA_LIBS)
AC_SUBST(x_libs)
LDFLAGS="$saved_ldflags $X_LDFLAGS $X_LIBS $x_libs"
AC_CHECK_LIB(Xext, XShmAttach,
x_libs="$x_libs -lXext", ,
$x_libs)
gnome_cv_passdown_x_libs="$x_libs"
gnome_cv_passdown_X_LIBS="$X_LIBS"
gnome_cv_passdown_X_CFLAGS="$X_CFLAGS"
LDFLAGS="$saved_ldflags $X_LDFLAGS $X_LIBS"
dnl Assume that if we have -lSM then we also have -lICE.
AC_CHECK_LIB(SM, SmcSaveYourselfDone,
[AC_DEFINE(HAVE_LIBSM)
x_libs="$x_libs -lSM -lICE"], ,
$x_libs -lICE)
AM_CONDITIONAL(ENABLE_GSM,
test "x$ac_cv_lib_SM_SmcSaveYourselfDone" = "xyes")
AC_CHECK_LIB(gtk, gdk_pixmap_unref,
GTK_LIBS="-lgtk -lgdk -lglib -lm",
[AC_MSG_ERROR(Can not find a Gtk 0.99.1, probably you have an older version?)],
-lgdk -lglib $x_libs -lm)
AC_SUBST(GTK_LIBS)
gnome_cv_passdown_GTK_LIBS="$GTK_LIBS"
XPM_LIBS=""
AC_CHECK_LIB(Xpm, XpmFreeXpmImage, [XPM_LIBS="-lXpm"], , $x_libs)
AC_SUBST(XPM_LIBS)
PTHREAD_LIB=""
AC_CHECK_LIB(pthread, pthread_create, PTHREAD_LIB="-lpthread",
[AC_CHECK_LIB(c_r, pthread_create, PTHREAD_LIB="-lc_r")])
AC_SUBST(PTHREAD_LIB)
CFLAGS="$saved_cflags $X_CFLAGS"
LDFLAGS="$saved_ldflags"
AC_PROVIDE([GNOME_X_CHECKS])
])