diff --git a/gnu/usr.bin/gdb/Makefile.inc b/gnu/usr.bin/gdb/Makefile.inc
index 37b9c21a489..9a318452122 100644
--- a/gnu/usr.bin/gdb/Makefile.inc
+++ b/gnu/usr.bin/gdb/Makefile.inc
@@ -1,3 +1,6 @@
+# bsd.lib.mk causes this file to be loaded multiple times.
+.if !defined(BEEN_HERE)
+BEEN_HERE=1	
 
 # this may be defined in other places
 .if !defined(GDBDIR)
@@ -8,4 +11,4 @@ CFLAGS+= -I${GDBDIR}/include/. -I${GDBDIR}/gdb/. -I${GDBDIR}/bfd/.
 CFLAGS+= -I${GDBDIR}/libiberty/.
 CFLAGS+= -I${GDBDIR}/gdb/config/.
 CFLAGS+= -DHAVE_CONFIG_H
-
+.endif