[LLVMdev] Bootstrapping llvm-gcc4 on Mingw

[Chris Lattner]

On Wed, 3 May 2006, Anton Korobeynikov wrote:

> You wrote Wednesday, May 3, 2006, 1:41:31 AM:
>
> CL> will fix it.  If so, please let me know and I'll update my tree.  If not,
> CL> please get a stack trace of the failure so I can see where it is called.
> Yes. This fixes the bug. ASM_OUTPUT_EXTERNAL was defined in cygming.h
> and seems to be platform specific. There are also some other platform
> issues, but they can be easily fixed, so, I'll report them at the end
> of all process.

Sounds good.  I've integrated the ASM_OUTPUT_EXTERNAL fix, and it went out 
in the tarball I sent out this morning.

> Now compilation goes further...
>
> 1. While compiling __main.o from libgcc2 I had complain about
> ".local". It seems, that it isn't supported by win32 version of as.
> After removing this line and compiling by hand everything goes further
> (generated .s file attached). Maybe X86AsmWriter should be modified?

Probably.  Patches welcome :)

> 2. While compiling gthr-win32.c I've got the following exception
> stopped all compilation:
>
> ./cc1.exe -fpreprocessed h:\WINNT\Temp/ccAnbaaa.i -quiet -dumpbase gthr-win32.c
> -auxbase-strip libgcc/./gthr-win32.o -g -O2 -W -Wall -Wwrite-strings -Wstrict-p
> rototypes -Wmissing-prototypes -Wold-style-definition -version -o gthr-win32.s
> GNU C version 4.0.1 LLVM (Apple Computer, Inc. build 5400) (mingw32)
>        compiled by GNU C version 3.4.5 (mingw special).
> GGC heuristics: --param ggc-min-expand=99 --param ggc-min-heapsize=131012
> Compiler executable checksum: abcac2bc9d947e35dbd545ee6a02bf8f
> Could not match memory address.  Inline asm failure!
>
> It seems to be exception in SelectionDAGISel.cpp. .i file attached.

Thanks, I'll take a look.

-Chris

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