diff --git a/minix/llvm/passes/Makefile.inc b/minix/llvm/passes/Makefile.inc
index ecc584efb..06ff2c535 100644
--- a/minix/llvm/passes/Makefile.inc
+++ b/minix/llvm/passes/Makefile.inc
@@ -1,3 +1,6 @@
+# This file is not part of the regular Makefile.inc
+# It is used from the LLVM build system, when compiling the passes.
+#
+# This files is used with gmake, so do NOT add .include "..."
+#
 LLVMPREFIX?=../../../../../obj_llvm.i386/Release+Asserts
-
-.include "../Makefile.inc"