about PETSC run time lib

[Yixun Liu]

Hi,

 I cofigu PETSC with COPTFLAGS='-MDd -Z7' CXXOPTFLAGS='-MDd -Z7' and no compiler warning, so both options are not  same.

Best,

Yixun

----- Original Message ----- 
From: "Satish Balay" <balay at mcs.anl.gov>
To: "PETSC" <petsc-users at mcs.anl.gov>
Sent: Saturday, November 04, 2006 10:54 PM
Subject: Re: about PETSC run time lib


> On Sat, 4 Nov 2006, Yixun Liu wrote:
> 
>> Hi,
>> I config PETSC with,
>> $ ./config/configure.py --with-mpi-dir=/cygdrive/d/MPICH2 --with-cc='win32fe cl' --with-fc=0 --with-cxx='win32fe cl' --with-clanguage=cxx --with-blas-lapack-dir=$PETSC_DIR/externalpackages/w_mkl_serial_p_8.1.001/mkl_serial_8.1/mkl_8.1_serial/ia32/lib COPTFLAGS='-MD -Z7' CXXOPTFLAGS='-MD -Z7'
>> 
>> In my applicaton I use another lib, which use Debug multithread DLL run time lib. When I use this two libs together I alwayse receive the warning :
>> "LINK : warning LNK4098: defaultlib "MSVCRTD" conflicts with use of other libs; use /NODEFAULTLIB:library".
>>  I think this is because PETSC use MSVCRT run time lib and the other lib use MSVCRTD run time lib. If I ignore this warning the application will run into exception. So I need to config the PETSC to let it use the same run time lib. Should I use COPTFLAGS='-MDd -Z7' CXXOPTFLAGS='-MDd -Z7'?
> 
> 
> I think both options are the same - and PETSc is attempting to use
> MSVCRTD.lib. You can verify with:
> 
> cd lib/$PETSC_ARCH/
> strings *.lib |grep defaultlib | sort | uniq
> 
> 
> If you think there is a difference - rebuild with the appropriate
> compiler options you need.
> 
> Satish
>