[Buildroot] EABIhf: breaks kernel build
jacmet at uclibc.org
Fri Jul 19 20:07:34 UTC 2013
>>>>> "Yann" == Yann E MORIN <yann.morin.1998 at free.fr> writes:
Yann> Thomas, All,
Yann> Since the ARM EABIhf stuff was committed, the Linux kernel build is
Yann> broken, and fails with this message:
Yann> armv6-rpi36-linux-gnueabi-gcc: error: -mfloat-abi=soft and
Yann> -mfloat-abi=hard may not be used together
Yann> This is because -mfloat-abi=hard is hard-coded in the wrapper, but the
Yann> kernel wants to pass -msoft-float.
Yann> See attach exerpt of my build log (with a instrumented ext-ttolchain
Yann> wrapper). Notice argv and argv:
Yann> argv is out hard-coded float ABI option, while argv is passed by
Yann> the kernel.
Yann> I don't know how to solve this.
Yann> The trivial and immediate idea would be to have a black-list of
Yann> arguments and exclude the ones we pass that conflict with the ones
Yann> passed on the command line, but this will be *very* complex and always
Yeah, but I think it's the best solution still.
Bye, Peter Korsgaard
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