On Fri, Sep 28, 2018 at 10:14 AM,  <amand...@cohesity.com> wrote:
> nopes...doesn't work either. I tried both variations...with and without
> GOARCH=sparc64 flag. Following is the output with sparc64 flag:
>
> amandeep@s113ldom1:/opt/go_pkgs/src/github.com/golang/glog$ sudo
> GOPATH=/opt/go_pkgs  CC='gcc -m64' CGO_CFLAGS='-m64' CGO_LDFLAGS='-m64'
> GOARCH=sparc64 CGO_ENABLED=1 go install -x -gccgoflags=-m64
> WORK=/tmp/go-build365019570
> mkdir -p $WORK/b001/
> cd $WORK
> /usr/gnu/bin/gccgo -fgo-importcfg=/dev/null -c -x c - || true
> cd /opt/go_pkgs/src/github.com/golang/glog
> /usr/gnu/bin/gccgo -c -g -fdebug-prefix-map=$WORK=/tmp/go-build
> -gno-record-gcc-switches -fgo-pkgpath=github.com/golang/glog -o
> $WORK/b001/_go_.o -I $WORK/b001/_importcfgroot_ -m64 ./glog.go
> ./glog_file.go
> echo '  .section .go.buildid,"e"' >> $WORK/b001/_buildid.s
> echo '  .byte 0x79,0x71,0x58,0x37,0x74,0x64,0x76,0x6c' >>
> $WORK/b001/_buildid.s
> echo '  .byte 0x7a,0x59,0x53,0x39,0x41,0x6a,0x30,0x58' >>
> $WORK/b001/_buildid.s
> echo '  .byte 0x34,0x53,0x78,0x39,0x2f,0x79,0x71,0x58' >>
> $WORK/b001/_buildid.s
> echo '  .byte 0x37,0x74,0x64,0x76,0x6c,0x7a,0x59,0x53' >>
> $WORK/b001/_buildid.s
> echo '  .byte 0x39,0x41,0x6a,0x30,0x58,0x34,0x53,0x78' >>
> $WORK/b001/_buildid.s
> echo '  .byte 0x39' >> $WORK/b001/_buildid.s
> echo '' >> $WORK/b001/_buildid.s
> /usr/gnu/bin/gccgo -xassembler-with-cpp -I $WORK/b001/ -c -o
> $WORK/b001/_buildid.o -D GOOS_solaris -D GOARCH_sparc64 -D
> GOPKGPATH=github_com_golang_glog $WORK/b001/_buildid.s
> ar rcD $WORK/b001/_pkg_.a $WORK/b001/_go_.o $WORK/b001/_buildid.o
> /usr/gnu/libexec/gcc/sparc-sun-solaris2.11/8.2.1/buildid -w
> $WORK/b001/_pkg_.a # internal
> cp $WORK/b001/_pkg_.a
> /root/.cache/go-build/a4/a47820a6bcb6e72c26a3be36129e80b12a0f0193dd5959e2c7304a3b169d9af8-d
> # internal
> mkdir -p /opt/go_pkgs/pkg/gccgo_solaris_sparc64/github.com/golang/
> cp $WORK/b001/_pkg_.a
> /opt/go_pkgs/pkg/gccgo_solaris_sparc64/github.com/golang/libglog.a
> rm -r $WORK/b001/
> amandeep@s113ldom1:/opt/go_pkgs/src/github.com/golang/glog$ file
> /opt/go_pkgs/pkg/gccgo_solaris_sparc64/github.com/golang/libglog.a
> /opt/go_pkgs/pkg/gccgo_solaris_sparc64/github.com/golang/libglog.a:
> current ar archive, 32-bit symbol table
>
>
> I think the problem is with the text in red. It gets the sparc64 flag, but
> the executable is still having 32-bit MSB relocatable SPARC
> Let me know if you have any other suggestions.

This sounds like a bug.  I encourage you to file it at
https://golang.org/issue/new .

There is always the fallback of using a shell script mygcc

#!/bin/sh
exec gcc -m64 $*

and setting CC=/path/to/mygcc

Ian

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