Re: Porting to mips64el

[Ludovic Courtès]

Andreas Enge <address@hidden> skribis:

> Am Dienstag, 19. Februar 2013 schrieb Andreas Enge:
>> I think it might be enough to add the following configure flags:
>>    --with-arch=mips64 -with-abi=64
>
> Unfortunately, it failed after some compilation time with

[...]

> checking how to run the C preprocessor... /lib/cpp
> configure: error: in `/tmp/nix-build-gcc-cross-
> boot0-4.7.2.drv-0/build/mips64el-guix-linux-gnu/libgcc':
> configure: error: C preprocessor "/lib/cpp" fails sanity check
> See `config.log' for more details.

Can you try to get the config.log file?  It tries /lib/cpp as a last
resort because “xgcc -E” didn’t work, so we need to find out why it
didn’t work.

How exactly did you modify gcc-boot0?

> Strangely, a new run of "guix-build hello" starts by building linux-libre-
> headers instead of gcc-cross-boot0.

Since linux-libre-headers doesn’t depend on gcc-cross-boot0, that’s a
valid choice.

Ludo’.