diff --git a/toolkit/library/Makefile.in b/toolkit/library/Makefile.in
index 83d75a552a69..6b64b04c1036 100644
--- a/toolkit/library/Makefile.in
+++ b/toolkit/library/Makefile.in
@@ -118,7 +118,9 @@ ifdef MOZ_ENABLE_XINERAMA
 EXTRA_DSO_LDOPTS += $(MOZ_XINERAMA_LIBS)
 endif
 
+ifneq (,$(filter gtk gtk2 qt xlib,$(MOZ_WIDGET_TOOLKIT)))
 EXTRA_DSO_LDOPTS += $(XLDFLAGS) $(XLIBS) $(MOZ_GTK_LDFLAGS) $(MOZ_XFT_LIBS) $(MOZ_GTK2_LIBS) $(XT_LIBS)
+endif
 
 ifdef MOZ_ENABLE_XPRINT
 EXTRA_DSO_LDOPTS += $(MOZ_XPRINT_LDFLAGS)