From: Tim Deegan Date: Wed, 11 Apr 2012 12:10:33 +0000 (+0100) Subject: xen: Add -Wno-unused-value to the clang CFLAGS X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=347c906bff1e51d8944d7b8e639b7cf5465a471e;p=xen.git xen: Add -Wno-unused-value to the clang CFLAGS clang complains about a lot of functions and macros whose return value is unused. I started on patches to drop some functions' return values and scatter (void)s around callers, but it was getting too messy. Just turn off the warning instead. Signed-off-by: Tim Deegan Acked-by: Keir Fraser Committed-by: Tim Deegan --- diff --git a/Config.mk b/Config.mk index 796fb8caae..0dc2d8e650 100644 --- a/Config.mk +++ b/Config.mk @@ -159,7 +159,8 @@ CFLAGS += -Wall -Wstrict-prototypes # Clang complains about macros that expand to 'if ( ( foo == bar ) ) ...' # and is over-zealous with the printf format lint -CFLAGS-$(clang) += -Wno-parentheses -Wno-format +# and is a bit too fierce about unused return values +CFLAGS-$(clang) += -Wno-parentheses -Wno-format -Wno-unused-value $(call cc-option-add,HOSTCFLAGS,HOSTCC,-Wdeclaration-after-statement) $(call cc-option-add,CFLAGS,CC,-Wdeclaration-after-statement)