[OE-core] [meta-clang][PATCH] conf/nonclangable.conf: Always build mesa with gcc

[Khem Raj]

Can you send it via github pull request please

On Wed, Feb 26, 2020 at 10:21 PM Böszörményi Zoltán via
Openembedded-core <openembedded-core at lists.openembedded.org> wrote:
>
> Ignore this, the patch is against the zeus branch.
> Re-sent with the proper subject.
>
> 2020. 02. 27. 7:16 keltezéssel, Böszörményi Zoltán írta:
> > Building mesa (at least version 19.3.4) with clang 9.0.1 leads
> > to linker errors on x86/x86-64:
> >
> > "undefined reference to `typeinfo for llvm::raw_pwrite_stream'"
> > in libvulkan_radeon.so
> >
> > and
> >
> > "undefined reference to `typeinfo for llvm::RTDyldMemoryManager'"
> > in libgallium.a.
> >
> > It was reported at https://gitlab.freedesktop.org/mesa/mesa/issues/2533
> >
> > It seems it is related to rtti not being enabled, at least reports
> > from a few years ago on forums lead to that conclusion.
> > But enabling rtti for clang in PACKAGECONFIG doesn't help.
> >
> > Just build mesa with gcc, it fixes the linker errors.
> >
> > Signed-off-by: Böszörményi Zoltán <zboszor at pr.hu>
> > ---
> >   conf/nonclangable.conf | 7 +++----
> >   1 file changed, 3 insertions(+), 4 deletions(-)
> >
> > diff --git a/conf/nonclangable.conf b/conf/nonclangable.conf
> > index 70336bb..91b9965 100644
> > --- a/conf/nonclangable.conf
> > +++ b/conf/nonclangable.conf
> > @@ -45,10 +45,9 @@ TOOLCHAIN_pn-libssp-nonshared = "gcc"
> >   TOOLCHAIN_pn-libstd-rs = "gcc"
> >   TOOLCHAIN_pn-m4_powerpc = "gcc"
> >   # clang does not have 64bit atomics on mips32
> > -TOOLCHAIN_pn-mesa_mips = "gcc"
> > -TOOLCHAIN_pn-mesa_mipsel = "gcc"
> > -TOOLCHAIN_pn-mesa_riscv64 = "gcc"
> > -TOOLCHAIN_pn-mesa_powerpc = "gcc"
> > +# building Mesa 19.3.x with clang causes linker errors on x86/x86-64
> > +# See https://gitlab.freedesktop.org/mesa/mesa/issues/2533
> > +TOOLCHAIN_pn-mesa = "gcc"
> >   # multiple definition of 'mongo::error_details::isNamedCode<0>'
> >   TOOLCHAIN_pn-mongodb = "gcc"
> >   # variant-impl.hpp:309:36: error: 'is_variant' does not name a template but is followed by template arguments
> >
>
> --
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