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bsd.sys.mk: Silence a few GCC warnings for C++

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These warnings were already marked with -Wno-error=, but they trigger
so many false positives in libc++ headers to be utterly useless for
C++ code, so disable them entirely for C++.

Reviewed by:	imp, dim
Differential Revision:	https://reviews.freebsd.org/D54867
This commit is contained in:
John Baldwin
2026-01-27 13:39:05 -05:00
parent 2dea50a661
commit 6fb87a1a60
1 changed files with 6 additions and 0 deletions
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share/mk/bsd.sys.mk
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@@ -193,6 +193,11 @@ CWARNFLAGS+= -Wno-error=address \
-Wno-error=uninitialized \ -Wno-error=uninitialized \
-Wno-error=unused-function \ -Wno-error=unused-function \
-Wno-error=unused-value -Wno-error=unused-value
# These warnings are raised by headers in libc++ so are disabled
# globally for all C++
CXXWARNFLAGS+= -Wno-attributes \
-Wno-deprecated-declarations
.endif .endif
# GCC 6.1.0 # GCC 6.1.0
@@ -246,6 +251,7 @@ CWARNFLAGS+= -Wno-error=overflow
# globally for all C++ # globally for all C++
CXXWARNFLAGS+= -Wno-literal-suffix \ CXXWARNFLAGS+= -Wno-literal-suffix \
-Wno-c++20-extensions \ -Wno-c++20-extensions \
-Wno-attributes \
-Wno-error=unknown-pragmas -Wno-error=unknown-pragmas
.endif .endif