Re: [PATCH] perf auto-dep: Speed up feature tests by building themin parallel

[Ingo Molnar]

* Jiri Olsa <jolsa@xxxxxxxxxx> wrote:

> > @@ -388,7 +410,7 @@ else
> >            has_cplus_demangle := $(call try-cc,$(SOURCE_CPLUS_DEMANGLE),$(FLAGS_CPLUS_DEMANGLE),demangle)
> >            ifeq ($(has_cplus_demangle),y)
> >              EXTLIBS += -liberty
> > -            CFLAGS += -DHAVE_CPLUS_DEMANGLE
> > +            CFLAGS += -DHAVE_CPLUS_DEMANGLE_SUPPORT
> >            else
> >              msg := $(warning No bfd.h/libbfd found, install binutils-dev[el]/zlib-static to gain symbol demangling)
> >              CFLAGS += -DNO_DEMANGLE
> > @@ -400,30 +422,29 @@ else
> >  endif
> 
> Why not add tests for 
> has_bfd_iberty/has_bfd_iberty_z/has_cplus_demangle?

Yeah, did not get to that stage yet: I only converted the feature tests 
that trigger on my system (which is about 80% of them). Will complete the 
transition.

> We could remove the config/feature-tests.mak completely and other 
> cleanup like remove try-cc.

Yeah - that will be a nice simplification!

Thanks,

	Ingo
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