Fails to build with GCC 11: gfortran11: error: unrecognized command-line option '-i8'; did you mean '-k8'

[yurivict]

Describe the bug
Failure log:

gmake[2]: Entering directory '/wrkdirs/usr/ports/science/nwchem/work/nwchem-7.0.2-release/src/basis'
Compiling basis.F...
gfortran11: error: unrecognized command-line option '-i8'; did you mean '-k8'?
gmake[2]: *** [../config/makefile.h:3040: /wrkdirs/usr/ports/science/nwchem/work/nwchem-7.0.2-release/src/../lib/LINUX64/libnwcutil.a(basis.o)] Error 1
gmake[2]: *** Waiting for unfinished jobs....
Compiling bas_input.F...
gfortran11: error: unrecognized command-line option '-i8'; did you mean '-k8'?
gmake[2]: *** [../config/makefile.h:3040: /wrkdirs/usr/ports/science/nwchem/work/nwchem-7.0.2-release/src/../lib/LINUX64/libnwcutil.a(bas_input.o)] Error 1
gmake[2]: Leaving directory '/wrkdirs/usr/ports/science/nwchem/work/nwchem-7.0.2-release/src/basis'
gmake[1]: *** [GNUmakefile:105: libraries] Error 1
gmake[1]: Leaving directory '/wrkdirs/usr/ports/science/nwchem/work/nwchem-7.0.2-release/src'

I am creating this bug report based on this downstream bug report.

[yurivict]

Based on this comment there's no option -i8, there's only -fdefault-integer-8.

[edoapra]

Please use the issue template to provide a detailed bug report at https://github.com/nwchemgit/nwchem/issues/new?assignees=&labels=&template=bug_report.md&title=

I would rather not wast too much time playing the guessing game.