Re: [PATCH v5 5/5] tools: Connect to the kernel build system

From: Arnaldo Carvalho de Melo
Date: Wed Apr 11 2012 - 15:52:43 EST


Em Wed, Apr 11, 2012 at 12:19:15PM -0600, David Ahern escreveu:
> On 4/11/12 12:08 PM, Arnaldo Carvalho de Melo wrote:
>
> >>[acme@sandy linux]$ make -j8 O=/home/git/build/perf tools/perf_install
> >>[acme@sandy linux]$ ls -la tools/perf/*.o | wc -l
> >>22
> >>
> >>It should have honoured O=
> >>
> >>Can you fix this one please? :)
> >
> >But that can be on top of this series as the way I use it:
> >
> > make -j8 -C tools/perf/ O=/home/git/build/perf install
> >
> >still works as expected.
>
> Does this sequence still work?
>
> cd tools/perf
> make O=/tmp/pbuild
>
> and the O= is honored?

Yes:

[acme@sandy linux]$ mkdir /tmp/perf
[acme@sandy linux]$ cd tools/perf
[acme@sandy perf]$ make O=/tmp/perf
MKDIR /tmp/perf/arch/x86/util
<SNIP>
MKDIR /tmp/perf/util/ui/browsers
PERF_VERSION = perf.core.for.mingo.6.gea01fa
GEN /tmp/perf/common-cmds.h
* new build flags or prefix
CC /tmp/perf/perf.o
CC /tmp/perf/builtin-annotate.o
<SNIP>
CC /tmp/perf/util/parse-options.o
BISON event-parser
FLEX event-parser
BISON pmu-parser
FLEX pmu-parser
CC /tmp/perf/util/parse-events.o
<SNIP>
AR /tmp/perf/libperf.a
LINK /tmp/perf/perf
GEN perf-archive
GEN /tmp/perf/python/perf.so
[acme@sandy perf]$
[acme@sandy perf]$ /tmp/perf/perf --version
perf version perf.core.for.mingo.6.gea01fa
[acme@sandy perf]$

- Arnaldo
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