Re: Recent seems to have broken toolchain

On 29 May 2016, at 04:27, Steve Kargl <sgk_at_troutmask.apl.washington.edu> wrote:
> 
> I have a Fortran application that has built forever on FreeBSD-current;
> that is, until recently.  It now dies with the following error:
> 
> gfortran48 -O2 -pipe -march=native -mtune=native -static -funroll-loops \
>  --param max-unroll-times=4 -ftree-vectorize -Wall\
>  -rpath /usr/local/lib/gcc48 -I/home/kargl/modules -o acolor acolor.f90 \
>   globalm.o saxm.o  -L/home/kargl/lib -L. -L/usr/local/lib -L. -ltgt -loa \
>   -L/home/kargl/lib -L. -L/usr/local/lib -lm90 -llapack -lblas
> ./liboa.a(pointm.o): In function `__pointm_MOD_l2norm2':
> pointm.f90:(.text+0x490): multiple definition of `__pointm_MOD_l2norm2'
> /home/kargl/lib/libtgt.a(pointm.o):pointm.f90:(.text+0x0): first defined here
> 
> Yes, pointm.o is in both libtgt.a and liboa.a.  In the past, during
> linking, the symbols are resolved from the first of -ltgt or -loa
> depending on the order on the command line.

If you run the above command line with -v, what linker does it use?  I
suspect this may be something caused by a newer binutils port, or even
by a newer gfortran.

If this is using /usr/local/bin/ld, you might want to try downgrading
your binutils.

-Dimitry