[short] skip # rebuilds all of std

# Set up fresh GOCACHE.
env GOCACHE=$WORK/gocache
mkdir $GOCACHE

# Verify the standard library (specifically internal/runtime/atomic) can be
# built with -gcflags when -n is given. See golang.org/issue/29346.
go build -n -gcflags=all='-l' std

# Recursive go commands started with 'go generate' should not get an explicitly
# passed -modfile, but they should see arguments from GOFLAGS.
cp go.alt.mod go.gen.mod
env OLD_GOFLAGS=$GOFLAGS
env GOFLAGS=-modfile=go.gen.mod
go generate -modfile=go.alt.mod .
env GOFLAGS=$OLD_GOFLAGS
grep example.com/exclude go.gen.mod
! grep example.com/exclude go.alt.mod


# The original files should not have been modified.

# Test that the user can override default code generation flags.

[compiler:gccgo] skip  # gccgo does not use -gcflags
[!cgo] skip
[!GOOS:linux] skip  # test only works if c-archive implies -shared
[short] skip

env GOCACHE=$WORK/gocache  # Looking for compile commands, so need a clean cache.
go build -x -n -buildmode=c-archive -gcflags=all=-shared=false ./override.go
stderr '^.*/compile (.* )?-shared (.* )?-shared=false'

-- override.go --

# Tests golang.org/issue/36000

[!cgo] skip

# go env with CGO flags should not make NUL file

		}
		args = append(args, strings.Fields(string(out))...)
	}
	args = append(args, "-I", tmpdir)
	args = append(args, strings.Fields(os.Getenv("CGO_CFLAGS"))...)
	args = append(args, bp.CgoCFLAGS...)
	args = append(args, bp.CgoFiles...)

	cmd := exec.Command(args[0], args[1:]...)
	cmd.Dir = bp.Dir
	if err := cmd.Run(); err != nil {
		return nil, fmt.Errorf("go tool cgo: %w", err)

# GOHOSTARCH=386 on an amd64 machine.
#
# GOARCH: The target architecture for installed packages and tools.
#
# GOOS: The target operating system for installed packages and tools.
#
# GO_GCFLAGS: Additional go tool compile arguments to use when
# building the packages and commands.
#
# GO_LDFLAGS: Additional go tool link arguments to use when
# building the commands.
#

stderr '-test.outputdir=[^ ]'
exists ./cover.out
! exists ./x/cover.out

# Test flags from GOFLAGS should be forwarded to the test binary,
# with the 'test.' prefix in the GOFLAGS entry...
env GOFLAGS='-test.timeout=24h0m0s -count=1'
go test -v -x ./x
stdout 'timeout: 24h0m0s$'
stderr '-test.count=1'

# ...or without.
env GOFLAGS='-timeout=24h0m0s -count=1'
go test -v -x ./x
stdout 'timeout: 24h0m0s$'
stderr '-test.count=1'

env GOFLAGS=-mod=readonly
go mod edit -fmt
cp go.mod go.mod.empty
! go list all
stderr '^x.go:2:8: cannot find module providing package rsc\.io/quote: import lookup disabled by -mod=readonly'
! stderr '\(\)' # If we don't have a reason for -mod=readonly, don't log an empty one.
cmp go.mod go.mod.empty

# -mod=readonly should be set by default.
env GOFLAGS=
! go list all

	// For backwards compatibility with earlier flag splitting, ignore spaces around flags.
	v = strings.TrimSpace(v)
	if v == "" {
		// Special case: -gcflags="" means no flags for command-line arguments
		// (overrides previous -gcflags="-whatever").
		f.values = append(f.values, ppfValue{match, []string{}})
		return nil
	}
	if !strings.HasPrefix(v, "-") {
		i := strings.Index(v, "=")
		if i < 0 {

// Copyright 2016 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.

// Issue 14669: test that fails when build with CGO_CFLAGS selecting
// optimization.

package p

/*
const int E = 1;

typedef struct s {
	int       c;
} s;
*/
import "C"

func F() {
	_ = C.s{
		c: C.E,
	}