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    SubjectRe: [PATCH v5 5/5] tools: Connect to the kernel build system
    Em Wed, Apr 11, 2012 at 06:36:18PM +0200, Borislav Petkov escreveu:
    > From: Borislav Petkov <borislav.petkov@amd.com>
    >
    > Now you can do
    >
    > $ make tools/<toolname>
    >
    > from the toplevel kernel directory and have the respective tool built.
    >
    > If you want to build and install it, do
    >
    > $ make tools/<toolname>_install

    [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? :)

    - Arnaldo

    > $ make tools/<toolname>_clean
    >
    > should clean the respective tool directories.
    >
    > If you want to clean all in tools, simply do
    >
    > $ make tools/clean
    >
    > Also, if you want to get what the possible targets are, simply calling
    >
    > $ make tools/
    >
    > should give you the short help.
    >
    > $ make tools/install
    >
    > installs all tools, of course. Doh.
    >
    > Cc: Sam Ravnborg <sam@ravnborg.org>
    > Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
    > ---
    > Makefile | 7 +++++++
    > tools/Makefile | 10 ++++++++++
    > 2 files changed, 17 insertions(+)
    >
    > diff --git a/Makefile b/Makefile
    > index 0df3d003a079..f7f738117128 100644
    > --- a/Makefile
    > +++ b/Makefile
    > @@ -1468,6 +1468,13 @@ kernelrelease:
    > kernelversion:
    > @echo $(KERNELVERSION)
    >
    > +# Clear a bunch of variables before executing the submake
    > +tools/: FORCE
    > + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS= -C $(src)/tools/
    > +
    > +tools/%: FORCE
    > + $(Q)$(MAKE) LDFLAGS= MAKEFLAGS= -C $(src)/tools/ $*
    > +
    > # Single targets
    > # ---------------------------------------------------------------------------
    > # Single targets are compatible with:
    > diff --git a/tools/Makefile b/tools/Makefile
    > index f87c0ec63e6c..3ae43947a171 100644
    > --- a/tools/Makefile
    > +++ b/tools/Makefile
    > @@ -14,6 +14,16 @@ help:
    > @echo ' vm - misc vm tools'
    > @echo ' x86_energy_perf_policy - Intel energy policy tool'
    > @echo ''
    > + @echo 'You can do:'
    > + @echo ' $$ make -C tools/<tool>_install'
    > + @echo ''
    > + @echo ' from the kernel command line to build and install one of'
    > + @echo ' the tools above'
    > + @echo ''
    > + @echo ' $$ make tools/install'
    > + @echo ''
    > + @echo ' installs all tools.'
    > + @echo ''
    > @echo 'Cleaning targets:'
    > @echo ''
    > @echo ' all of the above with the "_clean" string appended cleans'
    > --
    > 1.7.9.3.362.g71319


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