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cmd/go: go1.4rc1 cgo issue for cross-compiler when host: darwin/amd64, target: android/arm #9114

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rainliu opened this issue Nov 17, 2014 · 1 comment
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cmd/go: go1.4rc1 cgo issue for cross-compiler when host: darwin/amd64, target: android/arm #9114

rainliu opened this issue Nov 17, 2014 · 1 comment
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@rainliu
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rainliu commented Nov 17, 2014 

Before filing a bug, please check whether it has been fixed since the
latest release. Search the issue tracker and check that you're running the
latest version of Go:

Run "go version" and compare against
http://golang.org/doc/devel/release.html  If a newer version of Go exists,
install it and retry what you did to reproduce the problem.

Thanks.

What does 'go version' print?
go1.4rc1 darwin/amd64

What steps reproduce the problem?
If possible, include a link to a program on play.golang.org.

1. install go from source code to build cross-compiler for android by 
        cd $GOROOT/src && \
    ./all.bash && \
    CC_FOR_TARGET=$NDK_ROOT/bin/arm-linux-androideabi-gcc GOOS=android GOARCH=arm GOARM=7 ./make.bash

2. after install go from source code, there is no issue to build
golang.org/x/mobile/example/basic for target android by ./make.bash in that folder. The
android program can be successfully built.

3.  But it have issue to build host darwin/amd64 cgo enabled code by 
     go build local_cgo_enabled_folder or
     CGO_ENABLED=1 GOOS=darwin GOARCH=amd64 go build local_cgo_enabled_folder

What happened?
    cc1: error: unrecognized command line option '-m64'

What should have happened instead?
   build successfully.

Please provide any additional information below.
@ianlancetaylor
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Comment 1:

Unfortunately this is a known issue.  Once you've built the Go tools as a
cross-compiler, the compiler is baked in.  To build for both Android and Darwin you'll
need to build different instances of the tools.

Status changed to Duplicate.

Merged into issue #8161.

@mikioh mikioh changed the title go1.4rc1 cgo issue for cross-compiler when host: darwin/amd64, target: android/arm cmd/go: go1.4rc1 cgo issue for cross-compiler when host: darwin/amd64, target: android/arm Aug 5, 2015
@golang golang locked and limited conversation to collaborators Aug 5, 2016
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@rainliu @ianlancetaylor @gopherbot