[Ipopt] Build error "error: linking to Fortran libraries from C fails"

[John Pye]

Hi Tony

Thanks very much for the help; it's as I suspected then, something about 
the way that the IPOPT build scripts are handling those big long lists 
of 'gcc -v' parameters. I note that I've managed to build SUNDIALS and 
GSL perfectly well with the rubenvb MinGW-w64 GCC, but neither of these 
involving linking C/C++ code to Fortran code. I'm not exactly sure what 
"--with-host-libstdcxx" means and where it's used I don't know, but it 
seems odd to specify that libstdc++ has to be linked statically, if 
that's what it's saying.

Anyway, so I took your suggestion and downloaded the 'tdb-gcc' tool. But 
I'm getting new errors (see below) which look like the MinGW-w64 
environment is still not being correctly detected. It's trying to run a 
command "lib /OUT" which looks like a Visual C++ thing to me, or 
something like that. This is all very puzzling, as I'm fairly sure I did 
manage to build IPOPT against MinGW-w64 in the past...!

Perhaps it would be an option to use a separately compiled LAPACK, but 
as earlier, I would expect the problem just to pop up elsewhere in that 
case.

Cheers
JP

/bin/sh ./../../libtool --tag=F77 --mode=compile gfortran  -g -O0 -pipe   -c -o zsyr.lo zsyr.f
  gfortran -g -O0 -pipe -c zpotf2.f -o zpotf2.o
./../../libtool: line 338: cygpath: command not found
/bin/sh ./../../libtool --tag=F77 --mode=compile gfortran  -g -O0 -pipe   -c -o zsytri.lo zsytri.f
./../../libtool: line 338: cygpath: command not found
./../../libtool: line 1082: cygpath: command not found
./../../libtool: line 1082: cygpath: command not found
./../../libtool: line 1082: cygpath: command not found
  gfortran -g -O0 -pipe -c zrot.f -o zrot.o
  gfortran -g -O0 -pipe -c zsymv.f -o zsymv.o
  gfortran -g -O0 -pipe -c zsyr.f -o zsyr.o
  gfortran -g -O0 -pipe -c zsytri.f -o zsytri.o
/bin/sh ./../../libtool --tag=F77 --mode=link gfortran  -g -O0 -pipe     -o libcoinlapack.la -rpath /mingw/lib -version-info 5:3:4
  dbdsqr.lo dgebal.lo dgebak.lo dgebd2.lo dgebrd.lo dgeev.lo dgehd2.lo dgehrd.lo dgelq2.lo dgelqf.lo dgels.lo dgeqr2.lo dgeqrf.lo d
gesvd.lo dgesv.lo dgetf2.lo dgetrf.lo dgetri.lo dgetrs.lo dggbak.lo dggbal.lo dgghrd.lo dggev.lo dhgeqz.lo dhseqr.lo disnan.lo dla
bad.lo dlabrd.lo dlacpy.lo dladiv.lo dlaebz.lo dlae2.lo dlaev2.lo dlaexc.lo dlagtf.lo dlagts.lo dlag2.lo dlahqr.lo dlahr2.lo dlais
nan.lo dlaln2.lo dlamch.lo dlaneg.lo dlange.lo dlanhs.lo dlanst.lo dlansy.lo dlanv2.lo dlapy2.lo dlapy3.lo dlaqr0.lo dlaqr1.lo dla
qr2.lo dlaqr3.lo dlaqr4.lo dlaqr5.lo dlarf.lo dlarfb.lo dlarfg.lo dlarft.lo dlarfx.lo dlarnv.lo dlarra.lo dlarrb.lo dlarrc.lo dlar
rd.lo dlarre.lo dlarrf.lo dlarrj.lo dlarrk.lo dlarrr.lo dlarrv.lo dlartg.lo dlartv.lo dlaruv.lo dlar1v.lo dlas2.lo dlascl.lo dlase
t.lo dlasq1.lo dlasq2.lo dlasq3.lo dlasq4.lo dlasq5.lo dlasq6.lo dlasr.lo dlasrt.lo dlaswp.lo dlassq.lo dlasv2.lo dlasyf.lo dlasy2
.lo dlatrd.lo dorg2l.lo dorg2r.lo dorgbr.lo dorghr.lo dorglq.lo dorgl2.lo dorgql.lo dorgqr.lo dorgtr.lo dorm2r.lo dormbr.lo dormhr
.lo dorml2.lo dormlq.lo dormql.lo dormqr.lo dormtr.lo dorm2l.lo dpotf2.lo dpotrf.lo dpotrs.lo dstebz.lo dstein.lo dstemr.lo dsteqr
.lo dsterf.lo dsyev.lo dsyevr.lo dsyevx.lo dsytd2.lo dsytf2.lo dsytrd.lo dsytrf.lo dsytri.lo dtgevc.lo dtrevc.lo dtrexc.lo dtrti2.
lo dtrtri.lo dtrtrs.lo ieeeck.lo iladlc.lo iladlr.lo ilaenv.lo iparmq.lo sgetf2.lo sgetrf.lo slamch.lo slaswp.lo zgetf2.lo zgetrf.
lo zlacgv.lo zlacpy.lo zlaev2.lo zlaswp.lo zpotf2.lo zrot.lo zsymv.lo zsyr.lo zsytri.lo
*./../../libtool: line 338: cygpath: command not found**
**./../../libtool: line 1082: cygpath: command not found**
*mkdir .libs
libtool: link: warning: undefined symbols not allowed in x86_64-w64-mingw32 shared libraries
*lib /OUT:.libs/libcoinlapack.lib*   dbdsqr.o dgebal.o dgebak.o dgebd2.o dgebrd.o dgeev.o dgehd2.o dgehrd.o dgelq2.o dgelqf.o dgels.o
  dgeqr2.o dgeqrf.o dgesvd.o dgesv.o dgetf2.o dgetrf.o dgetri.o dgetrs.o dggbak.o dggbal.o dgghrd.o dggev.o dhgeqz.o dhseqr.o disna
n.o dlabad.o dlabrd.o dlacpy.o dladiv.o dlaebz.o dlae2.o dlaev2.o dlaexc.o dlagtf.o dlagts.o dlag2.o dlahqr.o dlahr2.o dlaisnan.o
dlaln2.o dlamch.o dlaneg.o dlange.o dlanhs.o dlanst.o dlansy.o dlanv2.o dlapy2.o dlapy3.o dlaqr0.o dlaqr1.o dlaqr2.o dlaqr3.o dlaq
r4.o dlaqr5.o dlarf.o dlarfb.o dlarfg.o dlarft.o dlarfx.o dlarnv.o dlarra.o dlarrb.o dlarrc.o dlarrd.o dlarre.o dlarrf.o dlarrj.o
dlarrk.o dlarrr.o dlarrv.o dlartg.o dlartv.o dlaruv.o dlar1v.o dlas2.o dlascl.o dlaset.o dlasq1.o dlasq2.o dlasq3.o dlasq4.o dlasq
5.o dlasq6.o dlasr.o dlasrt.o dlaswp.o dlassq.o dlasv2.o dlasyf.o dlasy2.o dlatrd.o dorg2l.o dorg2r.o dorgbr.o dorghr.o dorglq.o d
orgl2.o dorgql.o dorgqr.o dorgtr.o dorm2r.o dormbr.o dormhr.o dorml2.o dormlq.o dormql.o dormqr.o dormtr.o dorm2l.o dpotf2.o dpotr
f.o dpotrs.o dstebz.o dstein.o dstemr.o dsteqr.o dsterf.o dsyev.o dsyevr.o dsyevx.o dsytd2.o dsytf2.o dsytrd.o dsytrf.o dsytri.o d
tgevc.o dtrevc.o dtrexc.o dtrti2.o dtrtri.o dtrtrs.o ieeeck.o iladlc.o iladlr.o ilaenv.o iparmq.o sgetf2.o sgetrf.o slamch.o slasw
p.o zgetf2.o zgetrf.o zlacgv.o zlacpy.o zlaev2.o zlaswp.o zpotf2.o zrot.o zsymv.o zsyr.o zsytri.o
*./../../libtool: line 5910: lib: command not found*
make[1]: *** [libcoinlapack.la] Error 127
make[1]: Leaving directory `/home/john/Ipopt-3.11.3/ThirdParty/Lapack'
make: *** [all-recursive] Error 1




On 15/08/13 11:01, Tony Kelman wrote:
> John,
> I’ve seen that error when trying to use the rubenvb versions of 
> MinGW-w64. As you found, it’s a bad interaction with configure trying 
> to extract the libraries needed to link Fortran code, from the verbose 
> compiler output which includes the entire GCC configure line used by 
> rubenvb, particularly the --with-host-libstdcxx='-static -lstdc++ -lm' 
> part. I contacted him on Sourceforge over a year ago asking if he 
> could just add a space between -lm and the apostrophe, which I believe 
> would fix the problem, but evidently he never made that change. 
> Updating the autotools version used by Ipopt might also fix the issue, 
> but that’s easier said than done and I don’t think Stefan has had time 
> to finish that process.
> If you don’t need GCC 4.8, I recommend using TDM-GCC 
> (http://tdm-gcc.tdragon.net/) instead. It’s been the most reliable 
> MinGW-w64 distribution that I’ve been able to find, for the purposes 
> of building Ipopt.
> -Tony

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