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From:	Olumide <50295 AT web DOT de>
Subject:	Re: Using Cygwin compiled libs in Visual Studio
Date:	Sat, 04 Apr 2009 16:48:25 +0100
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>> Is it possible or recommended to use a Cygwin compiled lib file or dll 
>> in Visual studio? The problem is that although I'm doing my 
>> development in Visual Studio, a number of the sources I intend to use 
>> have Cygwin makefiles but no Visual studio projects.
> ...
> You're probably more interested in the MinGW project <mingw.org>.  It
> uses MS's CRT, which will likely make your intended melding easier.

Thanks, but manual recommends Cygwin for compiling the library Goto BLAS 
  (http://www.tacc.utexas.edu/resources/software/#blas) for the Windows 
XP/2000 environments. I'm a bit surprised that the build process uses 
the GNU compiler to build the library (which by the way has a *.a file 
extension).

Other than linking the library in a Win32 application (trial and see 
method), how can I verify if the library produced is a Win32 linkable 
library?

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

Thanks.


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