[oe] PREFERRED_PROVIDER (was: Conditional Expressions in Python)

[Khem Raj]

which distro are you using. angstrom-2007.1.conf could be your problem

./conf/distro/angstrom-2007.1.conf:335:PREFERRED_PROVIDER_virtual/powerpc-angstrom-linux-libc-for-gcc
       = "glibc-intermediate"

-Khem

On 9/9/07, Detlef Vollmann <dv at vollmann.ch> wrote:
> Dr. Michael Lauer wrote:
> > DEPENDS = "${@['virtual/${TARGET_PREFIX}gcc-initial','virtual/${TARGET_PREFIX}gcc']['nptl' in '${GLIBC_ADDONS}']}"
> >
> > Since Python 2.5, this can be written as:
> >
> > DEPENDS = "${@'virtual/${TARGET_PREFIX}gcc' if 'nptl' in '${GLIBC_ADDONS}' else 'virtual/${TARGET_PREFIX}gcc-initial'}
> Thanks for explaining these lines.
> So, in my case (no NPTL), glibc is a provider of libc-for-gcc,
> and I decided to put it as preferred provider into my local.conf
> (actually it should go into my distro.conf, but that comes later...):
> PREFERRED_PROVIDERS += " virtual/${TARGET_PREFIX}libc-for-gcc:glibc"
>
> But what surprise, it still tried to build glibc-intermediate.
> Looking into the log file, I found the following lines:
> > DEBUG: providers for virtual/powerpc-angstrom-linux-libc-for-gcc are: ['glibc', 'glibc-intermediate', 'eglibc-intermediate']
> > DEBUG: update_data()
> > DEBUG: selecting /oe/own/packages/glibc/glibc_2.3.6.bb as PREFERRED_VERSION 2.3.6 of package glibc (for item virtual/powerpc-angstrom-linux-libc-for-gcc)
> > DEBUG: update_data()
> > DEBUG: selecting /oe/rep/org.openembedded.dev/packages/glibc/glibc-intermediate_2.5.bb as PREFERRED_VERSION 2.5 of package glibc-intermediate (for item virtual/powerpc-angstrom-linux-libc-for-gcc)
> > DEBUG: update_data()
> > NOTE: selecting glibc-intermediate to satisfy virtual/powerpc-angstrom-linux-libc-for-gcc due to PREFERRED_PROVIDERS
> This last line is simply wrong:  I've searched the whole repository
> and my overlay for respective lines, and the only file with such a
> preferred provider would be openprotium.conf, and that file isn't read.
>
> My first guess was that the version number 2.5 for glibc-intermediate
> is higher than the 2.3.6 for glibc and it was preferred for that.
> So I put back another line into my local.conf:
> PREFERRED_VERSION_glibc-intermediate = "2.3.6"
>
> But this didn't help.  The relevant lines from the log are now:
> > DEBUG: Added dependency virtual/powerpc-angstrom-linux-libc-for-gcc for /oe/own/packages/gcc/gcc-cross_4.1.1.bb
> > DEBUG: providers for virtual/powerpc-angstrom-linux-libc-for-gcc are: ['glibc', 'glibc-intermediate', 'eglibc-intermediate']
> > DEBUG: update_data()
> > DEBUG: selecting /oe/own/packages/glibc/glibc_2.3.6.bb as PREFERRED_VERSION 2.3.6 of package glibc (for item virtual/powerpc-angstrom-linux-libc-for-gcc)
> > DEBUG: update_data()
> > DEBUG: selecting /oe/own/packages/glibc/glibc-intermediate_2.3.6.bb as PREFERRED_VERSION 2.3.6 of package glibc-intermediate (for item virtual/powerpc-angstrom-linux-libc-for-gcc)
> > DEBUG: update_data()
> > NOTE: selecting glibc-intermediate to satisfy virtual/powerpc-angstrom-linux-libc-for-gcc due to PREFERRED_PROVIDERS
> > DEBUG: adding /oe/own/packages/glibc/glibc-intermediate_2.3.6.bb to satisfy virtual/powerpc-angstrom-linux-libc-for-gcc
>
> Does anybody have any idea why bitbake still believes that it
> should use glibc-intermediate for libc-for-gcc?
>
>   Detlef
>
> --
> Detlef Vollmann   vollmann engineering gmbh
> Linux and C++ for Embedded Systems    http://www.vollmann.ch/
>
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