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cmd/go: ar default option changed on Archlinux core/binutils 2.25.1-3 #12310

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LiuPai opened this issue Aug 25, 2015 · 2 comments
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cmd/go: ar default option changed on Archlinux core/binutils 2.25.1-3 #12310

LiuPai opened this issue Aug 25, 2015 · 2 comments
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Go1.6

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@LiuPai
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LiuPai commented Aug 25, 2015

When compile always show warning
ar: u' modifier ignored since D' is the default (see U')`

relate file:
go/src/cmd/go/build.go

func (gccgoToolchain) pack(b *builder, p *Package, objDir, afile string, ofiles []string) error {
    var absOfiles []string
    for _, f := range ofiles {
        absOfiles = append(absOfiles, mkAbs(objDir, f))
    }
    return b.run(p.Dir, p.ImportPath, nil, "ar", "cru", mkAbs(objDir, afile), absOfiles)
}
@ianlancetaylor ianlancetaylor changed the title ar default option changed on Archlinux core/binutils 2.25.1-3 cmd/go: ar default option changed on Archlinux core/binutils 2.25.1-3 Aug 25, 2015
@ianlancetaylor ianlancetaylor added this to the Go1.6 milestone Aug 25, 2015
@ianlancetaylor ianlancetaylor self-assigned this Aug 25, 2015
@rsc
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rsc commented Nov 5, 2015

Seems like we should just drop the 'u'. We rebuilt the objects, we might as well put them in the archive. Ian?

@gopherbot
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CL https://golang.org/cl/16664 mentions this issue.

@mattn mattn mentioned this issue Nov 27, 2015
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