--- a/config.mk	Thu Feb 28 20:02:57 2008 +0000
+++ b/config.mk	Thu Feb 28 21:38:53 2008 +0000
@@ -17,7 +17,7 @@
 # flags
 CFLAGS = -Os ${INCS} -DVERSION=\"${VERSION}\"
 LDFLAGS = -s ${LIBS}
-CFLAGS = -g -std=c99 -pedantic -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\"
+CFLAGS = -g -std=c99 -pedantic -Wall -O2 ${INCS} -DVERSION=\"${VERSION}\" -DAIM_XINERAMA
 LDFLAGS = -g ${LIBS}
 
 # Solaris