Make.inc: make GOOS detection work on windows

R=rsc, Joe Poirier, r
CC=golang-dev
https://golang.org/cl/2248041

diff --git a/src/Make.inc b/src/Make.inc
index aa20e4c70703d304b430495c71c144be72890e16..3544f26ca4018865b044c983a878766116b603a7 100644 (file)
--- a/src/Make.inc
+++ b/src/Make.inc
@@ -22,7 +22,7 @@ endif
 GOROOT_FINAL?=$(GOROOT)
 
 ifeq ($(GOOS),)
-GOOS:=${shell uname | tr A-Z a-z}
+GOOS:=${shell uname | tr A-Z a-z | sed 's/mingw/windows/; s/windows.*/windows/'}
 endif
 
 ifeq ($(GOOS),darwin)