bug#34872: Cgo fails on aarch64 with "unknown architecture 'armv7-a'"

bug#34872: Cgo fails on aarch64 with "unknown architecture 'armv7-a'"

[Leo Famulari]

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As noted in Efraim's report from the 2019 Guix Days [0], Go (I think Cgo
specifically?) has issues on aarch64.

Certain builds will fail with messages like "unknown architecture
'armv7-a'".

For example, this build of go-github-com-burntsushi-toml [1]:

------
starting phase `check'
go: disabling cache (/homeless-shelter/.cache/go-build) due to initialization failure: mkdir /homeless-shelter: permission denied
# runtime/cgo
Assembler messages:
Error: unknown architecture `armv7-a'

Error: unrecognized option -march=armv7-a
FAIL	github.com/BurntSushi/toml [build failed]
Backtrace:
           5 (primitive-load "/gnu/store/h3njbwy4b09v3yacha47slgwdl5…")
In ice-9/eval.scm:
   191:35  4 (_ #f)
In srfi/srfi-1.scm:
   863:16  3 (every1 #<procedure 6e7600 at /gnu/store/nrrpqxjvmpizf…> …)
In /gnu/store/nrrpqxjvmpizfgsf9s87aq3rqhgi62v9-module-import/guix/build/gnu-build-system.scm:
   799:28  2 (_ _)
In /gnu/store/nrrpqxjvmpizfgsf9s87aq3rqhgi62v9-module-import/guix/build/go-build-system.scm:
    210:4  1 (check #:tests? _ #:import-path _)
In /gnu/store/nrrpqxjvmpizfgsf9s87aq3rqhgi62v9-module-import/guix/build/utils.scm:
    616:6  0 (invoke _ . _)

/gnu/store/nrrpqxjvmpizfgsf9s87aq3rqhgi62v9-module-import/guix/build/utils.scm:616:6: In procedure invoke:
Throw to key `srfi-34' with args `(#<condition &invoke-error [program: "go" arguments: ("test" "github.com/BurntSushi/toml") exit-status: 2 term-signal: #f stop-signal: #f] 85ff80>)'.
builder for `/gnu/store/0287l329nsf8z56hk0zscpxvx0jz9fi9-go-github-com-burntsushi-toml-0.0.0-0.a368813.drv' failed with exit code 1
@ build-failed /gnu/store/0287l329nsf8z56hk0zscpxvx0jz9fi9-go-github-com-burntsushi-toml-0.0.0-0.a368813.drv - 1 builder for `/gnu/store/0287l329nsf8z56hk0zscpxvx0jz9fi9-go-github-com-burntsushi-toml-0.0.0-0.a368813.drv' failed with exit code 1
------

This is blocking the deployment of applications like Syncthing on
aarch64.

[0]
https://www.gnu.org/software/guix/blog/2019/qa-on-non-intel-at-guix-days/
[1]
https://berlin.guixsd.org/log/g9gxvilwwqvchngyvilfr3xl7risk814-go-github-com-burntsushi-toml-0.0.0-0.a368813

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bug#34872: Cgo fails on aarch64 with "unknown architecture 'armv7-a'"

[Efraim Flashner]

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On Fri, Mar 15, 2019 at 03:00:02PM -0400, Leo Famulari wrote:
> As noted in Efraim's report from the 2019 Guix Days [0], Go (I think Cgo
> specifically?) has issues on aarch64.
> 
> Certain builds will fail with messages like "unknown architecture
> 'armv7-a'".

This should now be fixed with 9b03299544e540ad5975abb306c19eb0168aa5e1.
We now build go-1.13.9 on aarch64 targeting aarch64 and not armhf-linux.

> 
> [0]
> https://www.gnu.org/software/guix/blog/2019/qa-on-non-intel-at-guix-days/



-- 
Efraim Flashner   <efraim@flashner.co.il>   אפרים פלשנר
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