Bug#957665: Fortran issue solved but symbols issues (Was: Bug#957665: Fortran issue in paw (Was: paw: ftbfs with GCC-10))

[Étienne Mollier]

Hi Andreas,

Andreas Tille, on 2020-10-17 21:52:24 +0200:
> /usr/bin/ld: paw/cdf/shared/mlpdef.o:/build/paw-2.14.04.dfsg.2/build/pawlib/paw/cdf/mlpdef.c:155: multiple definition of `klnkaddr'; paw/cdf/shared/pawcdf.o:/build/paw-2.14.04.dfsg.2/build/pawlib/paw/cdf/pawcdf.c:155: first defined here
> /usr/bin/ld: warning: alignment 4 of symbol `pawch3_' in paw/ntuple/shared/c_decl.o is smaller than 16 in paw/code/shared/pawint3.o
> /usr/bin/ld: warning: size of symbol `hcfile_' changed from 12800 in paw/code/shared/hgetid.o to 4000 in paw/ntuple/shared/c_decl.o
> /usr/bin/ld: warning: size of symbol `pawc_' changed from 40004 in comis/code/shared/csdefn.o to 40000 in paw/ntuple/shared/c_decl.o
> /usr/bin/ld: paw/mlpfit/shared/mlp_inter.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:31: multiple definition of `learn_'; paw/mlpfit/shared/mlp_gen.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:31: first defined here
> /usr/bin/ld: paw/mlpfit/shared/mlp_inter.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:40: multiple definition of `pat_'; paw/mlpfit/shared/mlp_gen.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:40: first defined here
> /usr/bin/ld: paw/mlpfit/shared/mlp_inter.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:19: multiple definition of `net_'; paw/mlpfit/shared/mlp_gen.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:19: first defined here
> /usr/bin/ld: paw/mlpfit/shared/mlp_inter.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:49: multiple definition of `divers_'; paw/mlpfit/shared/mlp_gen.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:49: first defined here
> /usr/bin/ld: paw/mlpfit/shared/mlp_inter.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:92: multiple definition of `Hessian'; paw/mlpfit/shared/mlp_gen.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:92: first defined here
> /usr/bin/ld: paw/mlpfit/shared/mlp_inter.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:91: multiple definition of `ExamplesIndex'; paw/mlpfit/shared/mlp_gen.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:91: first defined here
> /usr/bin/ld: paw/mlpfit/shared/mlp_inter.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:90: multiple definition of `JacobianMatrix'; paw/mlpfit/shared/mlp_gen.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:90: first defined here
> /usr/bin/ld: paw/mlpfit/shared/mlp_inter.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:89: multiple definition of `Gamma'; paw/mlpfit/shared/mlp_gen.o:/build/paw-2.14.04.dfsg.2/src/pawlib/paw/mlpfit/mlp_gen.h:89: first defined here
> ...
> 
> 
> Any further hints are welcome

I think this affects the C part of the program and should
probably be fixed "the easy way" by appending the CFLAGS
-fcommon; I suppose the remark from Andrius is otherwise
applicable here as well:

	CFLAGS += -fcommon

Or investigate if this is just a matter of these global
variables not being "extern" as they should; this is not always
applicable because of the way they are used.

I understood you might be busy next week, so requested access to
the Salsa Debian Science Team repository to bring the
modification myself if you wish, my account is emollier.

Have a nice day,
-- 
Étienne Mollier <etienne.mollier at mailoo.org>
Old rsa/3072: 5ab1 4edf 63bb ccff 8b54  2fa9 59da 56fe fff3 882d
New rsa/4096: 8f91 b227 c7d6 f2b1 948c  8236 793c f67e 8f0d 11da
Sent from /dev/pts/6, please excuse my verbosity.
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