[rb-general] Reproducible build of a GCC cross-compiler?
richard.purdie at linuxfoundation.org
Fri Jun 7 11:54:20 UTC 2019
On Fri, 2019-06-07 at 13:41 +0200, Sebastian Huber wrote:
> has someone tried to do a reproducible build of a GCC cross-compiler?
> am not interested in a native GCC. I guess it needs some tweaks in
> build system of GCC, e.g.
> * use of -frandom-seed=???
> * export SOURCE_DATE_EPOCH=???
> * -ffile-prefix-map=???=???
> * etc.
> It seems there is no magic configuration option in
> to enable a reproducible build.
The Yocto Project builds and uses gcc cross compilers and we believe
our builds to be reproducible when configured to be.
We do use SOURCE_DATE_EPOCH and -ffile-prefix-map=.
We're in the final stages of putting together tests which actually test
and prove that in our CI setup, I'm looking forward to being able to
announce those here soon.
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