runtime/cgo: do not link math lib by default on windows

Makes windows same as others.

Change-Id: Ib4651e06d0bd37473ac345d36c91f39aa8f5e662
Reviewed-on: https://go-review.googlesource.com/31791
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Minux Ma <minux@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>

diff --git a/src/runtime/cgo/cgo.go b/src/runtime/cgo/cgo.go
index c94dd0f5bc0b8ffaef45ddffcbe58551dd0ba033..b21458fb7e97a1c57b9e8de07f3a501bf0d12311 100644 (file)
--- a/src/runtime/cgo/cgo.go
+++ b/src/runtime/cgo/cgo.go
@@ -20,7 +20,7 @@ package cgo
 #cgo !android,linux LDFLAGS: -lpthread
 #cgo netbsd LDFLAGS: -lpthread
 #cgo openbsd LDFLAGS: -lpthread
-#cgo windows LDFLAGS: -lm -mthreads
+#cgo windows LDFLAGS: -mthreads
 
 #cgo CFLAGS: -Wall -Werror