Re: [PATCH 2/2] perf: unwinding: use the per-feature check flags

From: Jiri Olsa
Date: Mon Dec 09 2013 - 12:17:39 EST


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@xxxxxxxxxx>
> Cc: Jiri Olsa <jolsa@xxxxxxxxxx>

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

also, this patch no longer applies on acme's perf/core

jirka
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