[Buildroot] [PATCH] perf: Fix compilation without libelf for post-3.10 kernels

Peter Korsgaard jacmet at uclibc.org
Mon May 5 19:53:45 UTC 2014


>>>>> "Thomas" == Thomas De Schampheleire <patrickdepinguin at gmail.com> writes:

 > On Sat, Apr 5, 2014 at 2:51 PM, Peter Meerwald <pmeerw at pmeerw.net> wrote:
 >> kernel commit cf4cca10 (perf tools: Move libelf check config into config/Makefile)
 >> removes the NO_LIBELF check from the top-level Makefile
 >> 
 >> for newer kernels, if config/Makefile exists, we can assume that NO_LIBELF is
 >> also there
 >> 
 >> Signed-off-by: Peter Meerwald <pmeerw at pmeerw.net>
 >> ---
 >> package/perf/perf.mk | 8 +++++---
 >> 1 file changed, 5 insertions(+), 3 deletions(-)
 >> 
 >> diff --git a/package/perf/perf.mk b/package/perf/perf.mk
 >> index d7898d0..7610f3d 100644
 >> --- a/package/perf/perf.mk
 >> +++ b/package/perf/perf.mk
 >> @@ -36,9 +36,11 @@ define PERF_BUILD_CMDS
 >> fi
 >> $(Q)if test "$(BR2_PACKAGE_ELFUTILS)" = "" ; then \
 >> if ! grep -q NO_LIBELF $(LINUX_DIR)/tools/perf/Makefile ; then \
 >> -                       echo "The perf tool in your kernel cannot be built without libelf." ; \
 >> -                       echo "Either upgrade your kernel to >= 3.7, or enable the elfutils package." ; \
 >> -                       exit 1 ; \
 >> +                       if ! test -r $(LINUX_DIR)/tools/perf/config/Makefile ; then \
 >> +                               echo "The perf tool in your kernel cannot be built without libelf." ; \
 >> +                               echo "Either upgrade your kernel to >= 3.7, or enable the elfutils package." ; \
 >> +                               exit 1 ; \
 >> +                       fi \
 >> fi \
 >> fi
 >> $(TARGET_MAKE_ENV) $(MAKE) -C $(LINUX_DIR)/tools/perf \

 > Reviewed-by: Thomas De Schampheleire <thomas.de.schampheleire at gmail.com>
 > Tested-by: Thomas De Schampheleire <thomas.de.schampheleire at gmail.com>

Committed, thanks.

-- 
Bye, Peter Korsgaard


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