Messages in this thread | | | Date | Mon, 9 Dec 2013 19:15:47 +0100 | From | Jiri Olsa <> | Subject | Re: [PATCH 2/2] perf: unwinding: use the per-feature check flags |
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On Mon, Dec 09, 2013 at 07:02:02PM +0100, Jean Pihet wrote: > Hi Jiri, > > On 9 December 2013 18:17, Jiri Olsa <jolsa@redhat.com> wrote: > > On Sat, Dec 07, 2013 at 11:17:41AM +0100, Jean Pihet wrote: > >> Use the per-feature check flags for the unwinding feature in order > >> to correctly compile the libunwind and libunwind-debug-frame feature > >> checks. > >> > >> Tested on x86_64, ARMv7 and ARMv8 with and without LIBUNWIND_DIR set > >> in 'make -C tools/perf' > >> > >> Signed-off-by: Jean Pihet <jean.pihet@linaro.org> > >> Cc: Jiri Olsa <jolsa@redhat.com> > > > > SNIP > > > >> +BUILD = $(CC) $(CFLAGS) -o $(OUTPUT)$@ $@.c $(LDFLAGS) > >> > >> ############################### > >> > >> test-all: > >> - $(BUILD) -Werror -fstack-protector -fstack-protector-all -O2 -Werror -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma $(LIBUNWIND_LIBS) -lelf -laudit -I/usr/include/slang -lslang $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl > >> + $(BUILD) -Werror -fstack-protector -fstack-protector-all -O2 -Werror -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lelf -laudit -I/usr/include/slang -lslang $(shell pkg-config --libs --cflags gtk+-2.0 2>/dev/null) $(FLAGS_PERL_EMBED) $(FLAGS_PYTHON_EMBED) -DPACKAGE='"perf"' -lbfd -ldl > > > > hum, the test-all build command should have every possible flags we use, right? > > including LIBUNWIND_CFLAGS, LIBUNWIND_LDFLAGS > Oh yes you are right. I am overlooked the test-all feature (which > never builds on my modest embedded systems). > $(LIBUNWIND_LIBS) should be replaced by $(LIBUNWIND_CFLAGS) > $(LIBUNWIND_LDFLAGS), is that a reasonable approach? > > > > > also, this patch no longer applies on acme's perf/core > I am using a recent mainline (3.12-rc2). > > Let me correct the patch on acme's perf/core. Is that OK?
yep, thats the best practise
jirka
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