mirror of
https://github.com/golang/go
synced 2024-11-17 12:24:51 -07:00
1e9a7550a8
Currently, the entry-point to this test is a Bash script that smoke tests the FORTRAN compiler and then runs a FORTRAN-containing Go test. This CL rearranges things so a pure Go Go test smoke tests the FORTRAN compiler and then runs a non-test FORTRAN-containing Go binary. While we're here, we fix a discrepancy when the host is GOARCH=amd64, but the target is GOARCH=386. Previously, we would pick the wrong libgfortran path because we didn't account for the cross-compilation, causing the link to fail. Except for some reason this was ignored and the test nevertheless "passed". In the new test we're a little more strict, so this build failure will cause the test to fail, so we add a little logic to account for cross-compilation with the host toolchain. For #37486. Change-Id: Ie6f70066885d6fbb4e1b5a2b1e13b85dee5b359b Reviewed-on: https://go-review.googlesource.com/c/go/+/443069 Reviewed-by: Ian Lance Taylor <iant@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Bryan Mills <bcmills@google.com> Run-TryBot: Austin Clements <austin@google.com>
82 lines
2.3 KiB
Go
82 lines
2.3 KiB
Go
// Copyright 2022 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.
|
|
|
|
package fortran
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"os/exec"
|
|
"path/filepath"
|
|
"runtime"
|
|
"strings"
|
|
"testing"
|
|
)
|
|
|
|
func TestFortran(t *testing.T) {
|
|
// Find the FORTRAN compiler.
|
|
fc := os.Getenv("FC")
|
|
if fc == "" {
|
|
fc, _ = exec.LookPath("gfortran")
|
|
}
|
|
if fc == "" {
|
|
t.Skip("fortran compiler not found (try setting $FC)")
|
|
}
|
|
|
|
var fcExtra []string
|
|
if strings.Contains(fc, "gfortran") {
|
|
// TODO: This duplicates but also diverges from logic from cmd/go
|
|
// itself. For example, cmd/go merely adds -lgfortran without the extra
|
|
// library path work. If this is what's necessary to run gfortran, we
|
|
// should reconcile the logic here and in cmd/go.. Maybe this should
|
|
// become a cmd/go script test to share that logic.
|
|
|
|
// Add -m32 if we're targeting 386, in case this is a cross-compile.
|
|
if runtime.GOARCH == "386" {
|
|
fcExtra = append(fcExtra, "-m32")
|
|
}
|
|
|
|
// Find libgfortran. If the FORTRAN compiler isn't bundled
|
|
// with the C linker, this may be in a path the C linker can't
|
|
// find on its own. (See #14544)
|
|
libExt := "so"
|
|
switch runtime.GOOS {
|
|
case "darwin":
|
|
libExt = "dylib"
|
|
case "aix":
|
|
libExt = "a"
|
|
}
|
|
libPath, err := exec.Command(fc, append([]string{"-print-file-name=libgfortran." + libExt}, fcExtra...)...).CombinedOutput()
|
|
if err != nil {
|
|
t.Errorf("error invoking %s: %s", fc, err)
|
|
}
|
|
libDir := filepath.Dir(string(libPath))
|
|
cgoLDFlags := os.Getenv("CGO_LDFLAGS")
|
|
cgoLDFlags += " -L " + libDir
|
|
if runtime.GOOS != "aix" {
|
|
cgoLDFlags += " -Wl,-rpath," + libDir
|
|
}
|
|
t.Logf("CGO_LDFLAGS=%s", cgoLDFlags)
|
|
os.Setenv("CGO_LDFLAGS", cgoLDFlags)
|
|
|
|
}
|
|
|
|
// Do a test build that doesn't involve Go FORTRAN support.
|
|
fcArgs := append([]string{"helloworld/helloworld.f90", "-o", "/dev/null"}, fcExtra...)
|
|
t.Logf("%s %s", fc, fcArgs)
|
|
if err := exec.Command(fc, fcArgs...).Run(); err != nil {
|
|
t.Skipf("skipping Fortran test: could not build helloworld.f90 with %s: %s", fc, err)
|
|
}
|
|
|
|
// Finally, run the actual test.
|
|
t.Log("go", "run", "./testdata/testprog")
|
|
out, err := exec.Command("go", "run", "./testdata/testprog").CombinedOutput()
|
|
if err == nil && string(out) != "ok\n" {
|
|
err = fmt.Errorf("expected ok")
|
|
}
|
|
if err != nil {
|
|
t.Errorf("%s\nOutput:\n%s", err, string(out))
|
|
}
|
|
}
|