1 files changed, 3 insertions, 0 deletions
diff --git a/src/make.rc b/src/make.rc
index 222bb8a18..ab152c0db 100755
--- a/src/make.rc
+++ b/src/make.rc
@@ -36,6 +36,9 @@ if(! test -f run.rc){
 	exit wrongdir
 }
 
+# Generate libc_plan9.h.
+../include/plan9/mklibc.rc > ../include/plan9/libc_plan9.h
+
 # Clean old generated file that will cause problems in the build.
 rm -f ./pkg/runtime/runtime_defs.go