[cross] stop  # gccgo can't necessarily cross-compile

! go build -compiler=gccgo .
go build -compiler=gccgo -overlay overlay.json -o main_gccgo$GOEXE .
exec ./main_gccgo$goexe
stdout '^hello$'

go build -compiler=gccgo -overlay overlay.json -o print_abspath_gccgo$GOEXE ./printpath
exec ./print_abspath_gccgo$GOEXE
stdout $WORK[/\\]gopath[/\\]src[/\\]m[/\\]printpath[/\\]main.go

# It's absurd, but builds with -compiler=gccgo used to fail to build module m.
# golang.org/issue/34358

env GO111MODULE=off

[short] skip
[cross] skip # gccgo can't necessarily cross-compile

cd m
go build
exists m$GOEXE
rm m$GOEXE
[exec:gccgo] go build -compiler=gccgo
[exec:gccgo] exists m$GOEXE

-- m/go.mod --
module m
-- m/main.go --
package main

func (gd *gccgoDirs) init() {
	gccgo := os.Getenv("GCCGO")
	if gccgo == "" {
		gccgo = "gccgo"
	}
	bin, err := exec.LookPath(gccgo)
	if err != nil {
		return
	}

	allDirs, err := exec.Command(bin, "-print-search-dirs").Output()
	if err != nil {
		return
	}
	versionB, err := exec.Command(bin, "-dumpversion").Output()
	if err != nil {
		return
	}

cmp -q paths-a.exe paths-b.exe


# Same sequence of tests but with gccgo.
# gccgo does not support builds in module mode.
[!exec:gccgo] stop
[cross] stop  # gccgo can't necessarily cross-compile
env GOPATH=$WORK/a

# A binary built with gccgo without -trimpath should contain the current
# GOPATH and GOROOT.
go build -compiler=gccgo -o paths-dbg.exe paths
exec ./paths-dbg.exe paths-dbg.exe

// Copyright 2023 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// For bootstrapping with gccgo.

//go:build gccgo

package abi

import "unsafe"

func FuncPCABI0(f interface{}) uintptr {
	words := (*[2]unsafe.Pointer)(unsafe.Pointer(&f))
	return *(*uintptr)(unsafe.Pointer(words[1]))
}

func FuncPCABIInternal(f interface{}) uintptr {

var fromToolchainTests = []testCase1[string, string]{
	{"go1.2.3", "1.2.3"},
	{"1.2.3", ""},
	{"go1.2.3+bigcorp", ""},
	{"go1.2.3-bigcorp", "1.2.3"},
	{"go1.2.3-bigcorp more text", "1.2.3"},
	{"gccgo-go1.23rc4", ""},
	{"gccgo-go1.23rc4-bigdwarf", ""},

		cfg.BuildContext.InstallSuffix += "_"
	}
	cfg.BuildContext.InstallSuffix += mode
	cfg.BuildContext.ToolTags = append(cfg.BuildContext.ToolTags, mode)
}

func buildModeInit() {
	gccgo := cfg.BuildToolchainName == "gccgo"
	var codegenArg string

	// Configure the build mode first, then verify that it is supported.
	// That way, if the flag is completely bogus we will prefer to error out with

// doesn't go into the Go runtime.

// wasm does not work, because the linear memory is not executable.

// This test doesn't work on gccgo/GoLLVM, because they will not find
// any unwind information for the artificial function, and will not be
// able to unwind past that point.

//go:build !windows && !wasm && !gccgo

mkdir $GOCACHE

# Building trivial non-main package should run compiler the first time.
go build -x lib.go
stderr '(compile|gccgo)( |\.exe).*lib\.go'

# ... but not again ...
go build -x lib.go
! stderr '(compile|gccgo)( |\.exe).*lib\.go'

# ... unless we use -a.
go build -a -x lib.go
stderr '(compile|gccgo)( |\.exe)'

-- lib.go --

# It should not pass --nosuchoption to the external linker.

[!cgo] skip

go build

[!exec:gccgo] skip

# TODO: remove once gccgo on builder is updated
[GOOS:aix] [GOARCH:ppc64] skip

go build -compiler gccgo

-- go.mod --
module m
-- cgo.go --
package main
// #cgo LDFLAGS: -L "./ -Wl,--nosuchoption"
import "C"