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Re: missing math functions on powerpc (macppc)?



John D. Baker wrote:

>> Although... I'm running into a compiler bug when trying to build
>> libvpx:
> [...]
>
> See pkg/49600 and the hack I posted therein.  I've since derived a
> better one:
>
> +--- multimedia/libvpx/hacks.mk.tmp   2015-12-14 16:21:17.000000000 -0600
> ++++ multimedia/libvpx/hacks.mk   2015-12-17 09:40:36.000000000 -0600
> +@@ -10,3 +10,17 @@ PKG_HACKS+=       sparc-gcc-lock-up
> + BUILDLINK_TRANSFORM+=   rm:-O[0-9]*
> + .  endif
> + .endif
> ++ 
> ++### GCC 4.8.5 w/"-O3" produces broken library with undefined
> references. ++### See PR pkg/5xxxx for more details.
> ++.if ${OPSYS} == "NetBSD" && ${MACHINE_ARCH} == "powerpc"
> ++.  include "../../mk/compiler.mk"
> ++.  if !empty(CC_VERSION:Mgcc-4.[89].*)
> ++PKG_HACKS+=     powerpc-undefined-refs-with-level-3-optimization
> ++SUBST_CLASSES+=     libs
> ++SUBST_STAGE.libs=   post-patch
> ++SUBST_MESSAGE.libs= Eliminate "-O3" from C{,XX}FLAGS
> ++SUBST_FILES.libs=   build/make/configure.sh
> ++SUBST_SED.libs=     -e '/enabled small/s, ||  *check_add_cflags -O3$$,,'
> ++.  endif
> ++.endif

That works. Thanks!

But this is only a workaround. Shouldn't a compiler bug be fixed in the
compiler? Otherwise the number of patches will increase in the future. I
mean, was it even reported to the gcc-people?

-- 
Frank Wille



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