Re: [PATCH] Revert "cross-canadian: Handle powerpc linux verses linux-gnuspe"

[Richard Purdie <richard.purdie@linuxfoundation.org>]

On Fri, 2014-01-10 at 15:48 +0100, David Nyström wrote:
> The reverted commit seems to introduce some problems for the toolchain tarball
> for powerpc.
> I see this both in master and on dora.
> 
> 1. Looks like the relocation scripts fails for environments:
> 
> ~/tests/poky [master]
> $ cat /opt/oel/2014-01-01/environment-setup-ppce500v2-oel-linux | grep "#"
> export SDKTARGETSYSROOT=##SDKTARGETSYSROOT##
> 
> ~/tests/poky [master]
> $ cat /opt/oel/2014-01-01/environment-setup-ppce500v2-oel-linux-gnuspe | grep "#"
> 
> 2. nativeSDK gnuspe compiler does not allow -mabi=spe
> ABIEXTENSION is zeroed both for linux-gnuspe and linux
> 
> 3. Compiler can't create executables.
> I think this is due to libgcc_s.so from the SDK target sysroot is in mabi=spe.
> 
> 4. -mspe is included in CC var for both linux and gnuspe.
> cat /opt/oel/2014-01-01/environment-setup-ppce500v2-oel-linux | grep mabi
> export CC="powerpc-oel-linux-gcc  -m32 -mcpu=8548 -mabi=spe -mspe ....
> export CXX="powerpc-oel-linux-g++  -m32 -mcpu=8548 -mabi=spe -mspe ....
> export CPP="powerpc-oel-linux-gcc -E  -m32 -mcpu=8548 -mabi=spe -mspe ....
> 
> With the commit reverted, I can successfully build target code with the canadian compiler 
> from the SDK tarball. Only the gnuspe environment file is generated.

Ok, so how do you propose we fix the issues the patch was added to
address?

Cheers,

Richard