[Buildroot] [PATCH 2/2] valgrind: disable for MIPS soft-float when using binutils >= 2.25

[Waldemar Brodkorb <wbx@openadk.org>]

Hi,
Waldemar Brodkorb wrote,

> Hi,
> Vicente Olivert Riera wrote,
> 
> > As stated here [1], recent changes on the MIPS binutils sources have
> > made it necessary for GCC to pass the -msoft-float to the assembler. Due
> > to that, valgrind fails to build for MIPS soft-float when using a
> > version of GCC >= 4.9 and binutils >= 2.25 because its using some
> > hard-float instructions.
> > 
> > The combination of GCC-4.8.x and binutils >= 2.25 is not possible as its
> > disabled in package/gcc/Config.in.host.
> > 
> > 1: https://gcc.gnu.org/ml/gcc-patches/2014-08/msg00905.html
> > 
> > Fixes:
> >   http://autobuild.buildroot.net/results/5f5/5f576c7f8d56058a19ed0e7ff4b1ec620bcafb65/
> > 
> > Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
> > ---
> >  package/valgrind/Config.in | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/package/valgrind/Config.in b/package/valgrind/Config.in
> > index 21b2608..c9c71a6 100644
> > --- a/package/valgrind/Config.in
> > +++ b/package/valgrind/Config.in
> > @@ -8,6 +8,8 @@ config BR2_PACKAGE_VALGRIND
> >  		   BR2_powerpc || BR2_powerpc64 || BR2_powerpc64le || \
> >  		   BR2_x86_64
> >  	depends on !BR2_STATIC_LIBS
> > +	depends on !(BR2_MIPS_SOFT_FLOAT && (BR2_BINUTILS_VERSION_2_25_X || \
> > +		   BR2_BINUTILS_VERSION_2_26_X))
> 
> I would rather like to come up with a fix for valgrind in the next
> days. Some parts are in svn trunk and need to be backported. 
> Some parts I will use from OpenWrt and a small patch from me.
> 
> I cook up a patch soon.

Okay, I give up for now. I even can't make valgrind work for mips
hard-float combo. Still investigating, but it might take longer.

mips64 seems broken, too. Better disable for now.

best regards
 Waldemar