Kernel compilation failures with gcc 4.9

[Rui Paulo]

On Mar 31, 2015, at 14:04, Craig Rodrigues <rodrigc at FreeBSD.org> wrote:
> 
> Hi,
> 
> I put this in make.conf:
> 
> NO_WERROR=yes
> WERROR=
> WITHOUT_BOOT=yes
> WITHOUT_RESCUE=yes
> 
> and used this script to build:
> https://github.com/freebsd/freebsd-ci/blob/master/scripts/build/cross-build.sh
> 
> I managed to build a lot of stuff, but then got build failures
> in the aesni part of the kernel build.
> 
> See the full build log here:
> https://jenkins.freebsd.org/job/FreeBSD_HEAD_external_toolchain_gcc/30/console
> 
> I think this is the error:
> 
> In file included from
> /usr/local/lib/gcc/x86_64-portbld-freebsd10.0/4.9.1/include/mm_malloc.h:27:0,
>                 from
> /usr/local/lib/gcc/x86_64-portbld-freebsd10.0/4.9.1/include/xmmintrin.h:34,
>                 from
> /usr/local/lib/gcc/x86_64-portbld-freebsd10.0/4.9.1/include/emmintrin.h:31,
>                 from
> /usr/local/lib/gcc/x86_64-portbld-freebsd10.0/4.9.1/include/wmmintrin.h:31,
>                 from
> /builds/FreeBSD_HEAD_external_toolchain_gcc/sys/modules/aesni/../../crypto/aesni/aesni_ghash.c:74:
> /builds/FreeBSD_HEAD_external_toolchain_gcc/obj/builds/FreeBSD_HEAD_external_toolchain_gcc/tmp/usr/include/stdlib.h:93:7:
> error: conflicting types for 'free' void  free(void *);
> 
>       ^
> In file included from
> /builds/FreeBSD_HEAD_external_toolchain_gcc/sys/crypto/aesni/aesni.h:33:0,
>                 from
> /builds/FreeBSD_HEAD_external_toolchain_gcc/sys/modules/aesni/../../crypto/aesni/aesni_ghash.c:69:
> /builds/FreeBSD_HEAD_external_toolchain_gcc/sys/sys/malloc.h:177:6: note:
> previous declaration of 'free' was here
> void free(void *addr, struct malloc_type *type);

It shouldn't be using the stdlib when it's built with -ffreestanding or -nostdlib.  Can you make sure?

--
Rui Paulo