[OE-core] Reproducible build problem with BB_NUMBER_THREADS=8

[Henning Heinold]

On Tue, Nov 15, 2011 at 08:50:49PM +0000, Richard Purdie wrote:
> On Tue, 2011-11-15 at 21:19 +0100, Henning Heinold wrote:
> > On Tue, Nov 15, 2011 at 12:03:45PM +0100, Eric Bénard wrote:
> > > Hi,
> > > 
> > > I often meet a problem related to C++ headers which are not found
> > > (despite existing)n often when bitbake starts compiling mysql &
> > > directfb.
> > > I tested on 2 build hosts (both with Core i7, one i686 ubuntu, one
> > > x64_64 Fedora) and manage to reproduce the problem easily with
> > > BB_NUMBER_THREADS=8 in both cases.
> > > 
> > > The configuration is quite simple :
> > > angstrom setup script + beagleboard machine + bitbake qt4e-demo-image
> > > with
> > > PARALLEL_MAKE     = "-j6"
> > > BB_NUMBER_THREADS = "8"
> > 
> > Hi Eric,
> > 
> > I found another problem with the crosscompiler setup and c++,
> > while compile llvm with cmake.
> > 
> > In recipes-devtools/gcc/gcc-configure-cross.inc we set
> > 
> > EXTRA_OECONF_PATHS = "--with-local-prefix=${STAGING_DIR_TARGET}${target_exec_prefix} \
> >                       --with-gxx-include-dir=${target_includedir}/c++ \
> >                        --with-sysroot=${STAGING_DIR_TARGET} \
> >                        --with-build-sysroot=${STAGING_DIR_TARGET}"
> > 
> > 
> > which results in a headersearch path for c++
> > 
> >  .../usr/usr/include/c++
> > 
> > unfornatly I do not have the time to test it some more. But this little patch plus INC bumping
> > sovled it for my setup:
> > 
> > -EXTRA_OECONF_PATHS = "--with-local-prefix=${STAGING_DIR_TARGET}${target_exec_prefix} \
> > +EXTRA_OECONF_PATHS = "--with-local-prefix=${STAGING_DIR_TARGET} \
> 
> How does that cause something which sometimes works and sometimes does
> not? Either it would work or wouldn't if this were the problem but not
> "sometimes"?
> 
> Cheers,
> 
> Richard

Yes,

I hijacked the thread. Sorry.

Bye Henning