On 2015-12-07 13:56, Panu Matilainen wrote: > Starting with commit 9aa2053c6e81493b23346ff4e387903560de5c81 > EXTRA_CFLAGS is sometimes being passed to the compiler without > WERROR_FLAGS which can cause spurious warnings by the dozen, > for example with when compiling with EXTRA_CFLAGS="-Wformat-security": > > cc1: warning: -Wformat-security ignored without -Wformat [-Wformat-security] > > Passing WERROR_FLAGS to AUTO_CPU helper makes the warning flag usage > consistent throughout the codebase, silencing the warnings. > [...] > diff --git a/mk/rte.cpuflags.mk b/mk/rte.cpuflags.mk > index c6bb8de..28f203b 100644 > --- a/mk/rte.cpuflags.mk > +++ b/mk/rte.cpuflags.mk > @@ -33,7 +33,7 @@ > # used to set the RTE_CPUFLAG_* environment variables giving details > # of what instruction sets the target cpu supports. > > -AUTO_CPUFLAGS := $(shell $(CC) $(MACHINE_CFLAGS) $(EXTRA_CFLAGS) -dM -E - < > /dev/null) > +AUTO_CPUFLAGS := $(shell $(CC) $(MACHINE_CFLAGS) $(WERROR_FLAGS) > $(EXTRA_CFLAGS) -dM -E - < /dev/null)
Acked-by: Simon Kagstrom <simon.kagstrom at netinsight.net>