Hello Gwyneth,

> Thanks Roland! This is going to be useful; I didn't know about that
> parameter file.
>
> I've been trying to compile Lorene, but am getting errors like:
>
> Undefined symbols for architecture x86_64:
> __gfortran_os_error", referenced from:
>       _poiss2d_ in liblorenef77_g.a(poisson2d.o)
>       _poiss2di_ in liblorenef77_g.a(poisson2di.o)
>
> The initial "make" works fine. The errors only appear when I "make test" or
> "make coal_ns_bh init_ns_bh lit_bin_ns_bh" in the Codes/Bin_ns_bh
> directory. Did you by any chance run into something like this?
>
> I'm using the MacPorts universal version of gcc 6.3.0 and am compiling with
> g++ and gfortran. I've tried setting -m64 and -m32, but neither works. I
> probably need to change something in my local settings file, but so far I
> haven't been able to figure out what.
As a guess: you may have to add -lgfotran to your LIB_CXX settings in
local_settings, ie:

ifeq ($(FFT_DIR),FFTW3)
LIB_CXX = -lfftw3 -lgfortran -lstdc++ -lm
else
LIB_CXX = -lgfortran -lstdc++ -lm
endif

Yours,
Roland

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