gcc/libgo/misc/cgo/test/cflags.go
Ian Lance Taylor 936615752a libgo: add misc/cgo files
Copy all the misc/cgo files from the gc toolchain into libgo/misc.
    
    These will be used for testing purposes by later changes to the
    gotools directory.
    
    Reviewed-on: https://go-review.googlesource.com/46721

From-SVN: r249674
2017-06-27 04:21:40 +00:00

33 lines
790 B
Go

// Copyright 2013 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.
// Test that the #cgo CFLAGS directive works,
// with and without platform filters.
// See https://golang.org/issue/5224 for details.
package cgotest
/*
#cgo CFLAGS: -DCOMMON_VALUE=123
#cgo windows CFLAGS: -DIS_WINDOWS=1
#cgo !windows CFLAGS: -DIS_WINDOWS=0
int common = COMMON_VALUE;
int is_windows = IS_WINDOWS;
*/
import "C"
import (
"runtime"
"testing"
)
func testCflags(t *testing.T) {
is_windows := C.is_windows == 1
if is_windows != (runtime.GOOS == "windows") {
t.Errorf("is_windows: %v, runtime.GOOS: %s", is_windows, runtime.GOOS)
}
if C.common != 123 {
t.Errorf("common: %v (expected 123)", C.common)
}
}