On 10/15/17 23:20, Gleb Popov wrote:
I've tracked these symbols to /usr/local/lib/gcc6/libgcc_s.so. But there is also /usr/lib/libgcc_s.so and it doesn't have such symbols. I suspect this is the source of the error, but I wasn't able to fix it. Passing -Wl,-rpath as advised by lang/gcc6 pkg-message doesn't help. The only workaround I came up with is USE_GCC=yes to compile DLib itself, but that's pretty unsatisfactory.
Fortran implementation based on gcc is faulty due to libgcc_s.so being present in 2 versions, in base and in gcc port, making any code containing both C++ and fortran impossible to run. Your application probably can't work on FreeBSD using gcc fortran for this reason.
You can try to apply the patch from https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220313 and then have USES=fortran:flang instead of just USES=fortran in your port. Please let me know if this works. flang is a new, experimental fortran implementation that aims to replace gcc fortran.
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