From f18c6e342f834988caf43fd652b2baae9c3093f0 Mon Sep 17 00:00:00 2001
From: Ayke van Laethem <aykevanlaethem@gmail.com>
Date: Thu, 27 Jun 2024 19:31:35 +0200
Subject: test: support GOOS/GOARCH pairs in the -target flag

This means it's possible to test just a particular OS/arch with a
command like this:

    go test -run=Build -target=linux/arm

I found it useful while working on MIPS support.
---
 main_test.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/main_test.go b/main_test.go
index 0f0d52f4d..1ea16cd14 100644
--- a/main_test.go
+++ b/main_test.go
@@ -297,6 +297,10 @@ func emuCheck(t *testing.T, options compileopts.Options) {
 }
 
 func optionsFromTarget(target string, sema chan struct{}) compileopts.Options {
+	separators := strings.Count(target, "/")
+	if (separators == 1 || separators == 2) && !strings.HasSuffix(target, ".json") {
+		return optionsFromOSARCH(target, sema)
+	}
 	return compileopts.Options{
 		// GOOS/GOARCH are only used if target == ""
 		GOOS:          goenv.Get("GOOS"),
-- 
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