Modern binutils squawks if an attempt to strip an non-executable is made,
as seen below DONTSTRIP doesn't work, at least not in all cases:
DONTSTRIP=1 install -s -o root -g wheel -m 555 ./litmus
/wrkdirs/www/litmus/work/stage/usr/local/bin/litmus
/usr/libexec/binutils224/elf/strip:
/wrkdirs/www/litmus/work/stage/usr/local/bin/litmus:
File format not recognized
I closer look at the Makefile.in patch revealed that BSD_INSTALL_SCRIPT
should have been used instead. While here, convert all the install
variables to BSD_INSTALL_*
Approved by: just fix it