[petsc-users] Error in configuring PETSc with Cygwin

[冯上玮]

Hi, 


This time I try with ./configure --with-cc='win32fe cl' --with-fc=0 --with-cxx='win32fe cl' --download-f2cblaslapack, without fortran may have no problem in consideration that other libs will be used are CGNS and METIS.


Unfortunately, however, another error appeared as:


Cxx libraries cannot directly be used with C as linker.
If you don't need the C++ compiler to build external packages or for you application you can run
./configure with --with-cxx=0. Otherwise you need a different combination of C and C++ compilers

 
 The attachment is the log file, but some parts are unreadable. 


Thanks for your continuous aid!
------------------ Original ------------------
From:  "Satish Balay"<balay at mcs.anl.gov>;
Date:  Fri, Mar 3, 2023 02:13 AM
To:  "冯上玮"<fengshw3 at mail2.sysu.edu.cn>; 
Cc:  "petsc-users"<petsc-users at mcs.anl.gov>; 
Subject:  Re: [petsc-users] Error in configuring PETSc with Cygwin

 

On Fri, 3 Mar 2023, 冯上玮 wrote:

> Hi team,
> 
> 
> Recently I try to install PETSc with Cygwin since I'd like to use PETSc with Visual Studio on Windows10 plateform. For the sake of clarity, I firstly list the softwares/packages used below:
> 
> 
> 1. PETSc: version 3.18.5
> 2. VS: version 2019
> 3. Intel Parallel Studio XE: version 2020
> 4. Cygwin with py3.8 and make (and default installation)
> 
> 
> And because I plan to use Intel mpi, the compiler option in configuration is:
> 
> 
> ./configure --with-cc='win32fe cl' --with-fc='win32fe ifort' --with-cxx='win32fe cl' --download-fblaslapack

Check config/examples/arch-ci-mswin-opt-impi.py for an example on specifying IMPI [and MKL - instead of fblaslapack]. And if you don't need MPI - you can use --with-mpi=0

> 
> 
> where there is no option for mpi.
> 
> 
> While the PROBLEM came with the compiler option --with-fc='win32fe ifort', which returned an error (or two) as:
> 
> 
> Cannot run executables created with FC. If this machine uses a batch system
> to submit jobs you will need to configure using ./configure with the additional option&nbsp; --with-batch.
> Otherwise there is problem with the compilers. Can you compile and run code with your compiler '/cygdrive/d/petsc/petsc-3.18.5/lib/petsc/bin/win32fe/win32fe ifort'?

If you are not using PETSc from fortran - you don't need ifort. You can use --with-fc=0 [with MKL or --download-f2cblaslapack]

If you are still encountering errors - send us configure.log for the failed build.

Satish

> 
> 
> 
> Note that both ifort of x64 and ifort of ia-32 ended with the same error above and I install IPS with options related to mkl and fblaslapack. Something a bit suspectable is that I open Cygwin with dos. (actually the Intel Compiler 19.1 Update 3 Intel 64 Visual Studio 2019, x86 environment for the test of ifort ia-32 ,in particularlly)
> 
> 
> Therefore, I write this e-mail to you in order to confirm if I should add "--with-batch" or the error is caused by other reason, such as ifort ?
> 
> 
> Looking forward your reply!
> 
> 
> Sinserely,
> FENG.
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