[libvirt] [PATCH 4/8] build: ignore some clang-specific warnings

These cause build errors with clang 3.8. Disable: -Wunevaluated-expression, * problems with VIR_TYPEMATCH -Wparentheses-equality, * we don't want to delete parentheses from macros -Waddress-of-packed-member * virNWFilterSnoopDHCP violates -Wtautological-pointer-compare * macros in cputest violate --- m4/virt-compile-warnings.m4 | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/m4/virt-compile-warnings.m4 b/m4/virt-compile-warnings.m4 index b622e22..661d60b 100644 --- a/m4/virt-compile-warnings.m4 +++ b/m4/virt-compile-warnings.m4 @@ -215,6 +215,15 @@ AC_DEFUN([LIBVIRT_COMPILE_WARNINGS],[ wantwarn="$wantwarn -Werror" fi + # clang 3.8 chokes on VIR_TYPEMATCH + wantwarn="$wantwarn -Wno-unevaluated-expression" + # we want extra parentheses around equality comparisons in macros + wantwarn="$wantwarn -Wno-parentheses-equality" + # virNWFilterSnoopDHCP + wantwarn="$wantwarn -Wno-address-of-packed-member" + # macros in cputest + wantwarn="$wantwarn -Wno-tautological-pointer-compare" + # Check for $CC support of each warning for w in $wantwarn; do gl_WARN_ADD([$w]) -- 2.7.3