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cmd/link/internal/ld: if -v, display external linker output

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It can be useful when debugging to be able to see what the external
linker is doing even when it succeeds.  In particular this permits
passing -v to the external linker to see precisely what it is doing.

Change-Id: Ifed441912d97bbebea20303fdb899e140b380215
Reviewed-on: https://go-review.googlesource.com/10363
Reviewed-by: Minux Ma <minux@golang.org>
This commit is contained in:
Ian Lance Taylor 2015-05-24 11:29:38 -07:00
parent ac7ffdfa10
commit 714291f2d8
1 changed files with 3 additions and 0 deletions
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3
src/cmd/link/internal/ld/lib.go
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@ -1028,6 +1028,9 @@ func hostlink() {
if out, err := exec.Command(argv[0], argv[1:]...).CombinedOutput(); err != nil {
Exitf("running %s failed: %v\n%s", argv[0], err, out)
} else if Debug['v'] != 0 && len(out) > 0 {
fmt.Fprintf(&Bso, "%s", out)
Bso.Flush()
}
if Debug['s'] == 0 && debug_s == 0 && HEADTYPE == obj.Hdarwin {