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Fix build with GCC 8.1.

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GCC 8.1 failed to build LLVM's libc++ when -Wshadow is set,
so lower down WARNS flag to 3.

This is similar to dtc(1) which uses libc++ and sets WARNS to 3.

Approved by:	re (gjb)
Sponsored by:	DARPA, AFRL
This commit is contained in:
Ruslan Bukin 2018-10-01 16:16:05 +00:00
parent 0cadc427fd
commit e8e87febec
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=339064
1 changed files with 1 additions and 0 deletions
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usr.sbin/pmc/Makefile
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@ -5,6 +5,7 @@
.include <src.opts.mk>
PROG_CXX= pmc
MAN=
WARNS?= 3
CXXFLAGS+= -O0 -std=c++14
CWARNFLAGS.gcc+= -Wno-redundant-decls