On Mon, Feb 14, 2011 at 12:32 AM, Steffen Sledz <[email protected]> wrote: > Am 04.10.2010 18:00, schrieb Khem Raj: >> On Mon, Oct 4, 2010 at 1:08 AM, Thilo Fromm <[email protected]> wrote: >>> Hello Frans, >>> >>>>>> I tracked it down - libunwind publishes unwind.h, and gcc uses an >>>>>> internal >>>>>> file of the same name while being built. >>>>> >>>>> Yes gcc has its own version of libunwind which it used unless >>>>> configured with --with-system-libunwind >>>>> IIUC the problem happens with target gcc not with cross-gcc. target >>>>> gcc is built using cross-gcc and >>>>> <sysroot>/use/include could be preferred over the location of >>>>> libunwind.h which is in gcc sources >>>>> If thats the case then we need to fix gcc build to not look into >>>>> standard sysroot/usr/include but prefer >>>>> the local unwind.h when its using internal libunwind. The problem >>>>> would not show up if the libunwind versions >>>>> were matching but that may not be the case always and I dont know of >>>>> hand how we can fix the gcc configury/build >>>>> to ignore installed unwind.h >>>>> >>>>> You workaround would only work if build sequence was followed if some >>>>> one just cleaned gcc and rebuild it >>>>> the problem will resurface. >>>>> >>>> Thanks for the analysis Khem. >>>> This is indeed more or less what I had expected. >>>> >>>> For me this patch gets a NAK as it does only masks the problvem in >>>> some cases but not really solves it. >>> >>> You're right with this analysis; however, the patch enables Openembedded to >>> be built *at all*. If you care less about whether you're able to actually >>> build and if you have the time to wait until someone ventures deep into the >>> gcc build and fixes the cause, then this is the way to go. >>> >>> For us, however, this patch is a valid workaround. It will make Openembedded >>> work for us until the original issue is fixed. >> >> I think we should try to fix it in right way. > > Ping!
I think this patch does not fix the problem but hides it. It will not be worth to get it upstream > > -- > DResearch Fahrzeugelektronik GmbH > Otto-Schmirgal-Str. 3, 10319 Berlin, Germany > Tel: +49 30 515932-237 mailto:[email protected] > Fax: +49 30 515932-299 > Geschäftsführer: Dr. Michael Weber, Werner Mögle; > Amtsgericht Berlin Charlottenburg; HRB 130120 B; > Ust.-IDNr. DE273952058 > > _______________________________________________ Openembedded-devel mailing list [email protected] http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/openembedded-devel
