Re: Report: compil error on OSX for target=i386

[Robert Millan <rmh@aybabtu.com>]

On Sun, Sep 06, 2009 at 08:56:59PM +0200, Yves Blusseau wrote:
>
> Bad news grub not compiled on a GCC 4.4.1 from MacPorts:
>
> gcc-mp-4.4 -Iloader/i386 -I./loader/i386 -I. -I./include -I./include - 
> Wall -W  -Wall -W -Wshadow -Wpointer-arith -Wmissing-prototypes           
>        -Wundef -Wstrict-prototypes -g -Os -falign-jumps=1 -falign-loops=1 
> -falign-functions=1 -fno-dwarf2-cfi-asm -DAPPLE_CC=1 -m32 
> -fno-stack-protector -mno-stack-arg-probe -fno-builtin -mrtd -mregparm=3 
> -m32 -MD -c -o linux_mod-loader_i386_linux.o loader/i386/linux.c
> 20:16loader/i386/linux.c: In function 'grub_linux_boot':
> 20:16loader/i386/linux.c:546: error: can't find a register in class  
> 'BREG' while reloading 'asm'
> 20:16loader/i386/linux.c:546: error: 'asm' operand has impossible  
> constraints
> 20:16make: * [linux_mod-loader_i386_linux.o] Error 1
>
> MacPorts don't use specific patch to build gcc so i think the behavior  
> is coded somewhere in the gcc source code.

I guess that's the implicit -fPIC you mentioned on IRC?

Does -fno-PIC help?

-- 
Robert Millan

  The DRM opt-in fallacy: "Your data belongs to us. We will decide when (and
  how) you may access your data; but nobody's threatening your freedom: we
  still allow you to remove your data and not access it at all."