Why?
Em Thu, Oct 17, 2019 at 12:59:13PM +0200, Jiri Olsa escreveu: > Link: http://lkml.kernel.org/n/tip-m7t1e9kgea4jc3piyvjju...@git.kernel.org > Signed-off-by: Jiri Olsa <jo...@kernel.org> > --- > tools/perf/lib/Makefile | 1 + > tools/perf/lib/tests/Makefile | 2 ++ > 2 files changed, 3 insertions(+) > > diff --git a/tools/perf/lib/Makefile b/tools/perf/lib/Makefile > index 0f233638ef1f..20396f68fcad 100644 > --- a/tools/perf/lib/Makefile > +++ b/tools/perf/lib/Makefile > @@ -73,6 +73,7 @@ override CFLAGS += -Werror -Wall > override CFLAGS += -fPIC > override CFLAGS += $(INCLUDES) > override CFLAGS += -fvisibility=hidden > +override CFLAGS += -D_GNU_SOURCE > > all: > > diff --git a/tools/perf/lib/tests/Makefile b/tools/perf/lib/tests/Makefile > index a43cd08c5c03..78c3d8c83c53 100644 > --- a/tools/perf/lib/tests/Makefile > +++ b/tools/perf/lib/tests/Makefile > @@ -12,6 +12,8 @@ else > CFLAGS := -g -Wall > endif > > +CFLAGS += -D_GNU_SOURCE > + > all: > > include $(srctree)/tools/scripts/Makefile.include > -- > 2.21.0 -- - Arnaldo
