diff options
| author | Ian Rogers <irogers@google.com> | 2019-09-25 12:59:23 -0700 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2019-09-27 09:26:14 -0300 |
| commit | 4b0b2b096da9d296e0e5668cdfba8613bd6f5bc8 (patch) | |
| tree | 264b82fa99068f3fe481d364cd4e732afc9f6691 /tools/lib | |
| parent | da05b5ea12c1e50b2988a63470d6b69434796f8b (diff) | |
| download | linux-4b0b2b096da9d296e0e5668cdfba8613bd6f5bc8.tar.bz2 | |
libsubcmd: Make _FORTIFY_SOURCE defines dependent on the feature
Unconditionally defining _FORTIFY_SOURCE can break tools that don't work
with it, such as memory sanitizers:
https://github.com/google/sanitizers/wiki/AddressSanitizer#faq
Fixes: 4b6ab94eabe4 ("perf subcmd: Create subcmd library")
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lore.kernel.org/lkml/20190925195924.152834-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib')
| -rw-r--r-- | tools/lib/subcmd/Makefile | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/lib/subcmd/Makefile b/tools/lib/subcmd/Makefile index ed61fb3a46c0..5b2cd5e58df0 100644 --- a/tools/lib/subcmd/Makefile +++ b/tools/lib/subcmd/Makefile @@ -20,7 +20,13 @@ MAKEFLAGS += --no-print-directory LIBFILE = $(OUTPUT)libsubcmd.a CFLAGS := $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 -fPIC +CFLAGS += -ggdb3 -Wall -Wextra -std=gnu99 -fPIC + +ifeq ($(DEBUG),0) + ifeq ($(feature-fortify-source), 1) + CFLAGS += -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=2 + endif +endif ifeq ($(CC_NO_CLANG), 0) CFLAGS += -O3 |