[ATrpms-users] Re: FC4 and g77 and f2c

[Andre.Fettouhi at exp2.physik.uni-giessen.de]

Citat Axel Thimm <Axel.Thimm at atrpms.net>:

> On Sun, Jun 19, 2005 at 08:50:38PM +0200, André Fettouhi wrote:
> > Axel Thimm wrote:
> >
> > >On Sun, Jun 19, 2005 at 12:55:17PM +0200,
> > >Andre.Fettouhi at exp2.physik.uni-giessen.de wrote:
> > >
> > >
> > >>I am trying to compile a c/c++ program that has a few fortran files.
> > >>These are
> > >>compiled with the -lg2c option. The program compiled without a problem on
> > >>FC2
> > >>and FC3 but on FC4 I get the error message
> > >>
> > >>[root at pczo Go4FitExample]# make
> > >>g++ -O /usr/local/Go4/Go4FitExample/Example3.o
> > >>/usr/local/Go4/Go4FitExample/Example3Func.o -L/usr/local/root/lib -lCore
> > >>-lCint
> > >>-lHist -lGraf -lGraf3d -lGpad -lTree -lRint -lPostscript -lMatrix
> > >>-lPhysics
> > >>-pthread -lm -ldl -rdynamic -lMinuit -L/usr/local/Go4/Go4Library -lGo4Fit
> > >>-lg2c
> > >>-o  /usr/local/Go4/Go4FitExample/Example3
> > >>/usr/bin/ld: cannot find -lg2c
> > >>collect2: ld returned 1 exit status
> > >>make: *** [/usr/local/Go4/Go4FitExample/Example3] Error 1
> > >>
> > >>For some reason it can't find libg2c but I have installed all fortran
> > >>libraries
> > >>also the compat-gcc etc. to make sure I can compile g77. Strangely I
> > >>can't use
> > >>locate lib2gc to find them, but on FC2/FC3 I could.
> > >>
> > >>
> > >
> > >Are you sure you wanted to ask this on the ATrpms' mailing lists?
> > >
> > >Anyway libg2c is in compat-libf2c-32.
> > >
> > >You could also use gfortran (and -lgfortran) and rebuild the fortran
> > >object files. See also
> > >
> > >http://www.gnu.org/software/gcc/fortran/usage.html
> > >
> > >HTH
> > >
> > >
> > I know Axel this doesn't really fit into the list, the point is that I
> > don't understand why it can't find libg2c when I have compat-libf2c-32
> > installed. I will try to use -lgfortran and see if that works. Thanks
> > for you reply :).
>
> Checking this more carefully, I see that the *.so symlink to
> libg2c.so.0 is missing. I.e. only built executables can access the
> lib, not compilers.
>
> You can try to add a symlink from libg2c.so.0 to libg2c.so and
> retry. You may be lucky. If so, consider reporting to
> bugzilla.redhat.com. The g77 compiler is quite useless w/o properly
> working libg2c.
>
> But the route to use gfortran is better as a long term solution.
> --
> Axel.Thimm at ATrpms.net
>

THANK YOU!!!! The symlink from lib2gc.so.0 worked :).

Regards

André Fettouhi

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