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Re: Gcc 4.2.2 broken for kernel builds

To: Ralf Baechle <ralf@linux-mips.org>
Subject: Re: Gcc 4.2.2 broken for kernel builds
From: David Daney <ddaney@avtrex.com>
Date: Fri, 12 Oct 2007 10:48:54 -0700
Cc: linux-mips@linux-mips.org
In-reply-to: <20071012172254.GA10835@linux-mips.org>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <20071012172254.GA10835@linux-mips.org>
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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.

Thanks,
David Daney

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