[Coin-ipopt] Re: AMPL interface for IPOPT Fortran Version (on Windows)

Andreas Waechter andreasw at watson.ibm.com
Tue Jun 21 11:02:52 EDT 2005


I'm glad to hear that now the compilation works.  For future users, I
added a file called README.Cygwin to the Ipopt/doc directory, with our



On Tue, 21 Jun 2005, Andreas Waechter wrote:

> Rajendra,
> You wrote:
> -------- 8< -------------------------
> I followed the same instructions you mentioned in the previous mail I am
> getting the following errors when I run ./configure command in
> /home/pvr/COIN/ipopt/ directory.
> E281527 at ie10dtxp8rsz81s /cygdrive/c/cygwin/home/pvr/coin/ipopt
> $ ./configure
> checking build system type... i686-pc-cygwin
> checking for icc... no
> checking for cl... cl
> checking for C compiler default output file name... configure: error: C
> compiler
>  cannot create executables
> See `config.log' for more details.
> -------- 8< -------------------------
> The output says that configure found 'cl' as the C compiler - 'cl' is the
> name of the native Microsoft C compiler.  It is possible to build the
> Ipopt AMPL executabe using those compilers (if you also have a Fortran
> compiler), but it is more complicated, and it is hard to give advice
> without knowing your local setup.
> You can tell the configure script directly what compilers should be used.
> To build the Ipopt AMPL executable in Cygwin with the GNU compilers (which
> is easier), you can use the command
> ./configure CC=gcc F77=g77Please give that a try and let us know if that works, so that I can update
> the Windows installation documentation.
> Thanks
> Andreas
> PS: Please send your messages to the mailing list and not directly to me
> (unless you have larger attachements, which you can send in a separate
> email to me).  Thanks.

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