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-rw-r--r--ext/gtk/extconf.rb7
1 files changed, 7 insertions, 0 deletions
diff --git a/ext/gtk/extconf.rb b/ext/gtk/extconf.rb
index 621e0739a5..9d4a8d201a 100644
--- a/ext/gtk/extconf.rb
+++ b/ext/gtk/extconf.rb
@@ -1,4 +1,11 @@
require "mkmf"
+
+# may need to be changed
+$LDFLAGS="-L/usr/X11R6/lib -L/usr/local/lib"
+$CFLAGS="-I/usr/X11R6/include -L/usr/local/include"
+
+have_library("X11", "XOpenDisplay")
+have_library("Xext", "XShmQueryVersion")
if have_library("glib", "g_print") and
have_library("gdk", "gdk_init") and
have_library("gtk", "gtk_init")