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Re: Gcc 4.2.2 broken for kernel builds

To: Ralf Baechle <>, MIPS Linux List <>
Subject: Re: Gcc 4.2.2 broken for kernel builds
From: David Daney <>
Date: Fri, 12 Oct 2007 15:42:01 -0700
In-reply-to: <>
Original-recipient: rfc822;
References: <>
User-agent: Thunderbird (X11/20070719)
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:

It seems to be a GCC problem, not binutils related.

Have you successfully built with 4.2.0 or 4.2.1?

If it is a regression from a previous gcc-4.2.x version I would be inclined to fix it. But if all gcc-4.2.x are broken, I might recommend skipping this version and using 4.3 when it is released.

David Daney

  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 ...


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