-AC_CHECK_LIB(X11, XCreateWindow)
-AC_CHECK_LIB(Xext, XShmCreateImage)
-AC_CHECK_LIB(Xi, XGetExtensionVersion)
-AC_CHECK_LIB(ICE, IceOpenConnection)
-AC_CHECK_LIB(SM, SmcOpenConnection)
-AC_CHECK_LIB(Xt, XtMalloc)
-AC_CHECK_LIB(Xmu, XmuLookupStandardColormap)
+
+dnl X11 might be installed, but we don't want to use it for OSX -dw-
+if test "$HOSTTYPE" != "macintosh" ; then
+ AC_CHECK_LIB(X11, XCreateWindow)
+ AC_CHECK_LIB(Xext, XShmCreateImage)
+ AC_CHECK_LIB(Xi, XGetExtensionVersion)
+ AC_CHECK_LIB(ICE, IceOpenConnection)
+ AC_CHECK_LIB(SM, SmcOpenConnection)
+ AC_CHECK_LIB(Xt, XtMalloc)
+ AC_CHECK_LIB(Xmu, XmuLookupStandardColormap)
+fi