diff -Naur keytouch-editor-3.1.3-orig/src/Makefile.am keytouch-editor-3.1.3/src/Makefile.am
--- keytouch-editor-3.1.3-orig/src/Makefile.am	2008-06-22 22:47:34.000000000 -0400
+++ keytouch-editor-3.1.3/src/Makefile.am	2008-06-22 22:49:52.000000000 -0400
@@ -9,7 +9,7 @@
 
 bin_PROGRAMS = keytouch-editor-bin
 
-AM_CFLAGS=@CFLAGS@ -Wall
+AM_CFLAGS=@CFLAGS@ -Wall -D_GNU_SOURCE
 
 keytouch_editor_bin_SOURCES = \
 	main.c keytouch-editor.h \