ld: error: duplicate symbol: tryglf
>>> defined at n5.c
>>> n5.o:(tryglf)
>>> defined at nii.c
>>> nii.o:(.bss+0x2A58)
cc: error: linker command failed with exit code 1 (use -v to see invocation)
gmake[3]: *** [Makefile:141: troff] Error 1
gmake[3]: Leaving directory '/usr/ports/textproc/heirloom-doctools/work/heirloom-doctools-160308/troff/troff.d'
gmake[2]: *** [makefile:52: all] Error 2
gmake[2]: Leaving directory '/usr/ports/textproc/heirloom-doctools/work/heirloom-doctools-160308'
*** Error code 1
Stop.
make[1]: stopped in /usr/ports/textproc/heirloom-doctools
*** Error code 1
Stop.
make: stopped in /usr/ports/textproc/heirloom-doctools
===>>> make build failed for textproc/heirloom-doctools
===>>> Aborting update
===>>> You can restart from the point of failure with this commaportmaster textproc/heirloom-doctoolsnd line:
portmaster <flags> textproc/heirloom-doctools
portmaster textproc/heirloom-doctools