Re: [PATCH regression 4.0 -> 4.1] tools perf: Fix build breakage if prefix= is specified

From: Lukas Wunner
Date: Thu Jun 18 2015 - 16:40:08 EST

Hi David,

On Thu, Jun 18, 2015 at 02:26:25PM -0600, David Ahern wrote:
> It worked for me last week with OL6.
> I created a standalone perf rpm with 4.1-rc6; it builds just fine with
> _prefix (rpm variable) set to /usr:
> %global perf_make \
> make -s -C tools/perf V=1 WERROR=0 NO_LIBUNWIND=1 HAVE_CPLUS_DEMANGLE=1
> NO_GTK2=1 NO_STRLCPY=1 NO_BIONIC=1 prefix=%{_prefix}
> %{perf_make} DESTDIR=$RPM_BUILD_ROOT all

You're not invoking tools/perf/Makefile.perf but tools/perf/Makefile
and I would say this in line 18 avoids that prefix= is passed down
to Makefile.perf:

# We don't want to pass along options like -j:
unexport MAKEFLAGS


So the prefix parameter should have no effect at all in your case,
no matter to what you set it.

Best regards,

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