On Fri, Oct 12, 2007 at 11:33:44AM -0700, David Daney wrote: > From: David Daney <ddaney@xxxxxxxxxx> > Date: Fri, 12 Oct 2007 11:33:44 -0700 > To: Ralf Baechle <ralf@xxxxxxxxxxxxxx>, > MIPS Linux List <linux-mips@xxxxxxxxxxxxxx> > Subject: Re: Gcc 4.2.2 broken for kernel builds > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Ralf Baechle wrote: > >On Fri, Oct 12, 2007 at 10:48:54AM -0700, David Daney wrote: > >>From: David Daney <ddaney@xxxxxxxxxx> > >>Date: Fri, 12 Oct 2007 10:48:54 -0700 > >>To: Ralf Baechle <ralf@xxxxxxxxxxxxxx> > >>Cc: linux-mips@xxxxxxxxxxxxxx > >>Subject: Re: Gcc 4.2.2 broken for kernel builds > >>Content-Type: text/plain; charset=ISO-8859-1; format=flowed > >> > >>Ralf Baechle wrote: > >>>So it looks as if gcc 4.2.2 is broken for kernel builds resulting in the > >>>following error message with binutils 2.18: > >>> > >>> CC drivers/mtd/mtd_blkdevs.o > >>>mipsel-linux-ld: drivers/mtd/.tmp_mtd_blkdevs.o: Can't find matching > >>>LO16 reloc against `$LC6' for R_MIPS_HI16 at 0x9e0 in section `.text' > >>> CC drivers/mtd/chips/chipreg.o > >>> > >>>Older binutils throw a more cryptic error message about the bad assembler > >>>code generated by gcc: > >>> > >>> CC drivers/mtd/mtd_blkdevs.o > >>>mipsel-linux-ld: final link failed: Bad value > >>>make[2]: *** [drivers/mtd/mtd_blkdevs.o] Error 1 > >>>make[1]: *** [drivers/mtd] Error 2 > >>>make: *** [drivers] Error 2 > >>> > >>>Just as heads up ... > >>> > >>Could you file a bug report here: > >> > >>http://gcc.gnu.org/bugzilla/ > >> > >>If you could include a pointer to the kernel sources you were using and > >>perhaps attach your .config to the bug that might be useful as well. > > > >If I had the time I'd have done that. Short of that posting a warning is > >what I can do. > > I opened this bug: > > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33755 > > As more information becomes available about this feel free to add it to > the GCC bug report. For the moment the receipe to reproduce is to checkout 7b94a571d6f31ac6303d62c2aafcae40b66f24a3 from the linux-mips.org kernel tree (that's on linux-2.6.18-stable) and build malta_defconfig with gcc 4.2.2 and binutils 2.17 or 2.18, both configured for mipsel-linux. Ralf
