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misc/cgo/testcshared: handle unsuffixed dlltool path

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Adapt the testcshared tests to handle the case where the path output
by invoking

  gcc -print-prog-name=dlltool

is a path lacking the final ".exe" suffix (this seems to be what clang
is doing); tack it on before using if this is the case.

Updates #35006.
Updates #53540.

Change-Id: I04fb7b9fc90677880b1ced4a4ad2a8867a3f5f86
Reviewed-on: https://go-review.googlesource.com/c/go/+/451816
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Run-TryBot: Than McIntosh <thanm@google.com>
Reviewed-by: Cherry Mui <cherryyz@google.com>
This commit is contained in:
Than McIntosh 2022-11-17 15:29:27 -05:00
parent bda0235466
commit 771a98d6b1
1 changed files with 39 additions and 23 deletions
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22
misc/cgo/testcshared/cshared_test.go
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@ -335,10 +335,25 @@ func createHeaders() error {
if err != nil {
return fmt.Errorf("unable to find dlltool path: %v\n%s\n", err, out)
}
args := []string{strings.TrimSpace(string(out)), "-D", args[6], "-l", libgoname, "-d", "libgo.def"}
dlltoolpath := strings.TrimSpace(string(out))
if filepath.Ext(dlltoolpath) == "" {
// Some compilers report slash-separated paths without extensions
// instead of ordinary Windows paths.
// Try to find the canonical name for the path.
if lp, err := exec.LookPath(dlltoolpath); err == nil {
dlltoolpath = lp
}
}
// This is an unfortunate workaround for https://github.com/mstorsjo/llvm-mingw/issues/205 in which
// we basically reimplement the contents of the dlltool.sh wrapper: https://git.io/JZFlU
args := []string{dlltoolpath, "-D", args[6], "-l", libgoname, "-d", "libgo.def"}
if filepath.Ext(dlltoolpath) == "" {
// This is an unfortunate workaround for
// https://github.com/mstorsjo/llvm-mingw/issues/205 in which
// we basically reimplement the contents of the dlltool.sh
// wrapper: https://git.io/JZFlU.
// TODO(thanm): remove this workaround once we can upgrade
// the compilers on the windows-arm64 builder.
dlltoolContents, err := os.ReadFile(args[0])
if err != nil {
return fmt.Errorf("unable to read dlltool: %v\n", err)
@ -361,6 +376,7 @@ func createHeaders() error {
args = append(args, "-m", machine)
}
}
}
out, err = exec.Command(args[0], args[1:]...).CombinedOutput()
if err != nil {