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Date:	Sat, 4 Apr 2009 14:11:11 -0400
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
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Subject:	Re: Using Cygwin compiled libs in Visual Studio
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On Sat, Apr 04, 2009 at 04:48:25PM +0100, Olumide wrote:
> I guess what I find surprising is that gcc can be used to produce Windows 
> XP runnable code. Here's a typical compilation command generated by the 
> build process:
>
> gcc -c -O2 -D_GNU_SOURCE -DWINDOWS_ABI -Wall -m32 -DF_INTERFACE_F2C 
> -DNEED_F2CCO NV -DMAX_CPU_NUMBER=2 -DNUM_BUFFERS=\(2*2\) -DASMNAME=_cpotri 
> -DASMFNAME=_cpotri _ -DNAME=cpotri_ -DCNAME=cpotri -DFUNDERSCORE=_ 
> -DNEEDFUNDERSCORE -DBUNDERSCORE=_ -DNEEDBUNDERSCORE -I../.. -DARCH_X86 
> -DPENTIUMM -DL1_CODE_SIZE=32768 -DL1_CODE_ASSOCIATIVE=8 
> -DL1_CODE_LINESIZE=64 -DL1_DATA_SIZE=32768 -DL1_DATA_ASSOCIATIVE=8 
> -DL1_DATA_LINESIZE=64 -DL2_SIZE=1048576 -DL2_ASSOCIATIVE=8 -DL2_LINESIZE=64 
> -DITB_SIZE=4096 -DITB_ASSOCIATIVE=4 -DITB_ENTRIES=128 -DDTB_SIZE=4096 
> -DDTB_ASSOCIATIVE=4 -DDTB_ENTRIES=128 -DHAVE_CMOV -DHAVE_MMX -DHAVE_SSE 
> -DHAVE_SSE2 -DHAVE_CFLUSH -DNUM_SHAREDCACHE=1 -DNUM_CORES=1 -DCORE_BANIAS  
> -DCOMPLEX -UDOUBLE zpotri.c -o cpotri.o

Why is this surprising?  Cygwin *is* Windows XP runnable code.

cgf

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