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Message-ID: <ghlhhnf0j2.fsf@lena.gouders.net> Date: Mon, 20 Apr 2015 14:01:19 +0200 From: Dirk Gouders <dirk@...ders.net> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>, Paul Mackerras <paulus@...ba.org>, Ingo Molnar <mingo@...hat.com>, linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] tools/lib/api/Makefile: Add feature check for _FORTIFY_SOURCE For example on Gentoo systems where _FORTIFY_SOURCE is set by default, `make -C tools/perf' fails, because of the macro being redefined. Fix that by a feature-check analogous to tools/perf/config/Makefile. Signed-off-by: Dirk Gouders <dirk@...ders.net> --- tools/lib/api/Makefile | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/tools/lib/api/Makefile b/tools/lib/api/Makefile index d8fe29f..acf9097 100644 --- a/tools/lib/api/Makefile +++ b/tools/lib/api/Makefile @@ -16,7 +16,14 @@ MAKEFLAGS += --no-print-directory LIBFILE = $(OUTPUT)libapi.a CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -D_FORTIFY_SOURCE=2 -fPIC +CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -fPIC + +ifeq ($(DEBUG),0) + ifeq ($(feature-fortify-source), 1) + CFLAGS += -D_FORTIFY_SOURCE=2 + endif +endif + CFLAGS += -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 RM = rm -f -- 2.3.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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