From b17cbe9d11b229e3fa944ddbe4aad061e254b77f Mon Sep 17 00:00:00 2001
From: Dmitry Vyukov <dvyukov@google.com>
Date: Thu, 7 Nov 2019 06:41:00 +0100
Subject: sys/targets: don't run flag tests on non-build OS

We should not try to do any builds for such targets anyway.
And the compiler does not have to exist/work.
---
 sys/targets/targets.go | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'sys')

diff --git a/sys/targets/targets.go b/sys/targets/targets.go
index a30c2e769..e4266ec1b 100644
--- a/sys/targets/targets.go
+++ b/sys/targets/targets.go
@@ -456,6 +456,9 @@ func initTarget(target *Target, OS, arch string) {
 }
 
 func checkOptionalFlags(target *Target) {
+	if runtime.GOOS != target.BuildOS {
+		return
+	}
 	flags := make(map[string]*bool)
 	var wg sync.WaitGroup
 	for _, flag := range target.CrossCFlags {
-- 
cgit mrf-deployment