Re: [3.11-rc7] Building perf-only the "official" way seems to be BROKEN?

[Sedat Dilek <sedat.dilek@gmail.com>]

[...]

> [ BUILD PERF-ONLY ]
>
> So, I have finished a Linux-kernel build and wanted to build perf
> (from tools-dir) ONLY!
>
> I followed the advices (I am a "good" guy) seen for example in the
> "tools/Makefile" file.
>
> [ tools/Makefile ]
> ...
>         @echo 'You can do:'
>         @echo ' $$ make -C tools/ <tool>_install' <--- NOTE THIS ONE!
>         @echo ''
>         @echo '  from the kernel command line to build and install one of'
>         @echo '  the tools above'
>         @echo ''
>         @echo '  $$ make tools/install'
>         @echo ''
>         @echo '  installs all tools.'
> ...
>
> OK, so I did this for a perf-only build...
>
>
>    $ LANG=C LC_ALL=C make -C tools/ perf_install 2>&1 | tee ../build-perf.txt
>
> ...this breaks like this...
>
> ...
> make[2]: Entering directory
> `/home/wearefam/src/linux-kernel/linux/tools/lib/traceevent'
> make[2]: Leaving directory
> `/home/wearefam/src/linux-kernel/linux/tools/lib/traceevent'
>     LINK perf
> gcc: error: /home/wearefam/src/linux-kernel/linux/tools/lib/lk/liblk.a:
> No such file or directory
> make[1]: *** [perf] Error 1
> make[1]: Leaving directory `/home/wearefam/src/linux-kernel/linux/tools/perf'
> make: *** [perf_install] Error 2
>

[ From #linux-rt (OFTC) ]

[16:17] <acme> dileks_webchat, there are many, many ways to build the tools
[16:17] <acme> the one I use is:
[16:17] <acme> make O=/tmp/build/perf -C tools/perf install
[16:19] <dileks_webchat> acme:  make -C tools/perf install works as
expected. interesting :-)

- Sedat (dileks on IRC) -