Hi Dave,
I am trying to build a pure cygwin version of Freefem
a C++ software for FEM analysis.
http://www.freefem.org/ff++/
The program works fine, with minor source change,
except the capability to dynamically load dlls to
extend the functionality.
From the backtrace I have the impression that the loaded
library msh3.dll has a access problem to a constructor
"TheOperators" that is located in the calling libff.dll.
Program received signal SIGSEGV, Segmentation fault.
0x66c83a12 in Polymorphic::Addp () from /usr/local/bin/libff.dll
(gdb) backtrace
#0 0x66c83a12 in Polymorphic::Addp () from /usr/local/bin/libff.dll
#1 0x624dbca1 in _fu952__TheOperators () from
/usr/local/lib/ff++/3.8/lib/msh3.dll
#2 0x624dcf1c in global constructors keyed to msh3.cpp ()
from /usr/local/lib/ff++/3.8/lib/msh3.dll
#3 0x61020273 in per_module::run_ctors () from /usr/bin/cygwin1.dll
#4 0x00000000 in ?? ()
(gdb) list
1
/gnu/gcc/releases/packaging/4.3.4-3/gcc4-4.3.4-3/src/gcc-4.3.4/libstdc++-v3/libsupc++/si_class_type_info.cc:
No such file or directory.
in
/gnu/gcc/releases/packaging/4.3.4-3/gcc4-4.3.4-3/src/gcc-4.3.4/libstdc++-v3/libsupc++/si_class_type_info.cc
Unfortunately my debug capability with gdb are very limited
so I don't understand if the software has an issue or
if the problem could be located in the cygwin1.dll.
Any suggestion how to proceed ?
Thanks
Marco
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