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cmd/link: add -extar option to set ar program for c-archive

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People who want to use -buildmode=c-archive in unusual cross-compilation
setups will need something like this.  It could also be done via (yet
another) environment variable but I use -extar by analogy with the
existing -extld.

Change-Id: I354cfabc4c470603affd13cd946997b3a24c0e6c
Reviewed-on: https://go-review.googlesource.com/18913
Reviewed-by: Russ Cox <rsc@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Ian Lance Taylor 2016-01-25 11:44:02 -08:00
parent c2b40809c1
commit 1aab7b9626
4 changed files with 28 additions and 1 deletions
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7
src/cmd/link/internal/ld/lib.go
View file

@ -207,6 +207,7 @@ var (
tmpdir string
extld string
extldflags string
extar string
libgccfile string
debug_s int // backup old value of debug['s']
Ctxt *Link
@ -1015,8 +1016,12 @@ func archive() {
return
}
if extar == "" {
extar = "ar"
}
mayberemoveoutfile()
argv := []string{"ar", "-q", "-c", "-s", outfile}
argv := []string{extar, "-q", "-c", "-s", outfile}
argv = append(argv, fmt.Sprintf("%s/go.o", tmpdir))
argv = append(argv, hostobjCopy()...)