git: bsd.sys.mk: Add handling for gcc80.

[Rimvydas Jasinskas]

commit 78da3f724c7ee2210a8735c60ea520ed7554f3f9
Author: zrj <rimvydas.jasinskas at gmail.com>
Date:   Wed May 2 18:34:06 2018 +0300

    bsd.sys.mk: Add handling for gcc80.
    
      * Turn off -Wformat-* family of warnings, the -Wformat-truncation and
        -Wformat-overflow is just too noisy for not much benefit.
        Do the same for -Wstringop-* family for now.
        Move these warnings (at their default settings) to WARNS_AUDIT.
      * Disable -Wimplicit-fallthough at WARNS=3, most of contrib is there.

Summary of changes:
 share/mk/bsd.sys.mk | 11 +++++++++++
 1 file changed, 11 insertions(+)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/78da3f724c7ee2210a8735c60ea520ed7554f3f9


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