Re: [PATCH 32/52] tools/perf/build: Speed up auto-detection of features by adding a 'test-all' target

[Namhyung Kim]

On Thu, 10 Oct 2013 09:24:13 +0200, Ingo Molnar wrote:
> * Namhyung Kim <namhyung@xxxxxxxxxx> wrote:
>
>> On Tue,  8 Oct 2013 12:11:02 +0200, Ingo Molnar wrote:
>> > +test-all:
>> > +	$(BUILD) -Werror -fstack-protector -Wvolatile-register-var -O2 
>> > -Werror -D_FORTIFY_SOURCE=2 -ldw -lelf -lnuma -lunwind -lunwind-x86_64 
>> > -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' -DPACKAGE=perf -lbfd -ldl
>> 
>> Also missed -Wstack-protector.  And duplicate -Werror.
>> 
>> Anyway, it'd be great to generate this flags as well as source file 
>> automatically.
>
> Well, the source file would mean some extra construction overhead during 
> detection - but generating the flags ought to be possible, by putting the 
> test-all entry last and generating a rolling ALL_FLAGS variable via the 
> rules above it.
>
> Would you like to write such a patch?

Well, I'll try to do it tomorrow. :)

Thanks,
Namhyung
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