[Ipopt] After compiling Ipopt with Cygwin "make test" fails

[Johannes Vonk]

Hello,
Thanks Stefan! Okay I am ignoring it. but then I get another error. I am
following the instructions on this page "
https://projects.coin-or.org/Ipopt/wiki/MatlabInterface". In Step 4 I
modified the file "Makefile" and after typing "make install" I get the
following error:

$ make install
g++ -O3 -fomit-frame-pointer -pipe -DNDEBUG -pedantic-errors -Wimplicit
-Wparent
heses -Wreturn-type -Wcast-qual -Wall -Wpointer-arith -Wwrite-strings
-Wconversi
on -Wno-unknown-pragmas   -DMATLAB_MEXFILE
 -I/home/Johannes/CoinIpopt/include/c
oin -IC:/Program\ Files/MATLAB/R2007a/extern/include \
        -o matlabfunctionhandle.o -c matlabfunctionhandle.cpp
In file included from C:/Program
Files/MATLAB/R2007a/extern/include/mex.h:127,
                 from matlabfunctionhandle.hpp:12,
                 from matlabfunctionhandle.cpp:9:
C:/Program Files/MATLAB/R2007a/extern/include/stdio.h:11: error:
redeclaration o
f C++ built-in type `short'
make: *** [matlabfunctionhandle.o] Error 1

It's the first time I am working with Cygwin and Ipopt and I don't know much
about it. I hope you can help :)

Thanks,
Johannes

2009/6/26 Stefan Vigerske <stefan at math.hu-berlin.de>

> Hi,
>
> I can reproduce this on cygwin with gcc 4.3.2
>
> > gcc -O3 -fomit-frame-pointer -pipe -DNDEBUG -Wimplicit -Wparentheses
> > -Wsequence-
> > point -Wreturn-type -Wcast-qual -Wall -Wno-unknown-pragmas -o hs071_c.exe
> > hs071_
> > c.o  ../src/Interfaces/.libs/libipopt.a
> -L/usr/lib/gcc/i686-pc-cygwin/3.4.4
> > -L/u
> > sr/lib/gcc/i686-pc-cygwin/3.4.4/../../.. -lfrtbegin
> > /usr/lib/gcc/i686-pc-cygwin/
> > 3.4.4/libg2c.a /usr/lib/gcc/i686-pc-cygwin/3.4.4/libstdc++.a
> > -L/managed/gcc-buil
> > d/final-v3-bootstrap/gcc-3.4.4-999/.build/i686-pc-cygwin/libstdc++-v3/src
> > -L/man
> >
> aged/gcc-build/final-v3-bootstrap/gcc-3.4.4-999/.build/i686-pc-cygwin/libstdc++-
> > v3/src/.libs
> > -L/managed/gcc-build/final-v3-bootstrap/gcc-3.4.4-999/.build/gcc -L
> > /usr/i686-pc-cygwin/bin -lcygwin -luser32 -lkernel32 -ladvapi32 -lshell32
> > -lgcc
> > -ldl
>
> The problem seem to be the -lcygwin here. When I link hs071_c.exe
> without the -lcygwin, then it works fine.
> I don't know how it get in there, I extra compiled with
> --enable-doscompile, but gfortran seem to tell configure that it wants
> to have it.
>
> So I guess you can just ignore this failure, and when you like your own
> application with the Ipopt lib, don't link against cygwin.
>
> Stefan
>
> --
> Stefan Vigerske
> Humboldt University Berlin, Numerical Mathematics
> http://www.math.hu-berlin.de/~stefan
>
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