fix build (observed in wild, not on dashboard)

TBR=r
CC=golang-dev
https://golang.org/cl/4257054

diff --git a/src/Make.pkg b/src/Make.pkg
index 105150231035350dd2edc4ed3d7b2fb530fae778..d912b690438b96f9e38f148882a77aa02d433366 100644 (file)
--- a/src/Make.pkg
+++ b/src/Make.pkg
@@ -111,6 +111,7 @@ dir:
 
 ifdef CGOFILES
 _obj/_cgo_run: $(CGOFILES)
+       @mkdir -p _obj
        CGOPKGPATH=$(dir) cgo -- $(CGO_CFLAGS) $(CGOFILES)
        touch _obj/_cgo_run