From: Panu Matilainen Date: Mon, 7 Dec 2015 12:56:43 +0000 (+0200) Subject: mk: fix warnings when adding extra warning flags X-Git-Tag: spdx-start~7829 X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=51202a208b5ebc6b6959b5aa884744e7957b9134;p=dpdk.git mk: fix warnings when adding extra warning flags 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. Fixes: 9aa2053c6e81 ("mk: influence CPU flags with user input") Signed-off-by: Panu Matilainen Acked-by: Simon Kagstrom --- diff --git a/mk/rte.cpuflags.mk b/mk/rte.cpuflags.mk index c6bb8de7c7..28f203b9c6 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) # adding flags to CPUFLAGS