[Ipopt] Compiling IpOpt for windows with Cygwin

[Tony Kelman]

Roberto,

Are you trying to use Microsoft Visual Studio compilers? If not, you should leave off the --enable-doscompile=msvc option. It will be rather difficult to mix gfortran with MSVC, if you need to use MSVC for C/C++ then it’s recommended to use either the Intel Fortran compiler, or the compile_f2c Fortran 77-to-C converter (with MSVC compiling the converted C code).

Are you able to compile a simple “Hello World” type Fortran program using gfortran in your Cygwin installation? If so, can you post the file ThirdParty/Blas/config.log from your build directory to somewhere like gist.github.com so we can find the detailed error output?

-Tony


From: Roberto Verdelli 
Sent: Wednesday, January 29, 2014 4:34 AM
To: ipopt at list.coin-or.org 
Subject: [Ipopt] Compiling IpOpt for windows with Cygwin

Hi everyone, 

I'm trying to compile IpOpt with MA27, I followed the instructions found in 'Installation with Cygwin using GNU compilers', for cygwin installation but as soon as I launch:


./configure -enable-doscompile=msvc


I get the following error:


configure: Trying to determine Fortran compiler name
checking for ifort... no
checking for fl32... no
checking for compile_f2c... no
checking for gfortran... gfortran
checking whether we are using the GNU Fortran 77 compiler... no
checking whether gfortran accepts -g... no
configure: Fortran compiler options are: -O
checking how to get verbose linking output from gfortran... configure: WARNING: compilation failed

checking for Fortran libraries of gfortran...
checking for dummy main to link with Fortran libraries... none
checking for Fortran name-mangling scheme... configure: error: cannot compile a simple Fortran program
See `config.log' for more details.
configure: error: /bin/sh './configure' failed for ThirdParty/Blas


What should I do to get cygwin to be able to compile fortran programs?


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