[Buildroot] [PATCH] perf: libelf is required to compile perf
rjbarnet at rockwellcollins.com
rjbarnet at rockwellcollins.com
Tue Nov 5 14:58:10 UTC 2013
Andi,
Andi Shyti <andi at etezian.org> wrote on 11/05/2013 08:06:27 AM:
> Point this out in the related Config.in in the perf directory.
>
> Mute the following error by selecting BR2_PACKAGE_LIBELF:
>
> The perf tool in your kernel cannot be built without libelf.
> Either upgrade your kernel to >= 3.7, or enable the elfutils package.
> make: *** [/home/andi/repo/buildroot-snowball/output/build/perf-
> stable-linux-ux500-3.4/.stamp_built] Error 1
>
> Signed-off-by: Andi Shyti <andi at etezian.org>
> ---
> package/perf/Config.in | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/package/perf/Config.in b/package/perf/Config.in
> index 88dce93..4b651b3 100644
> --- a/package/perf/Config.in
> +++ b/package/perf/Config.in
> @@ -2,6 +2,7 @@ config BR2_PACKAGE_PERF
> bool "perf"
> depends on BR2_LINUX_KERNEL
> depends on BR2_LARGEFILE
> + depends on BR2_PACKAGE_LIBELF
Wouldn't you want this to be a select since LIBELF is required by this
package? Also in the perf.mk you want to ensure that the libelf package is
built before by adding a dependancy to the makefile.
ifeq ($(BR2_PACKAGE_LIBELF),y)
PERF_DEPENDENCIES += libelf
endif
Please see section 6.1.2 of the Buildroot manual:
http://buildroot.uclibc.org/downloads/manual/manual.html#writing-rules-mk
> help
> perf (sometimes "Perf Events" or perf tools, originally
> "Performance Counters for Linux") - is a performance
> --
> 1.8.4.2
>
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot
More information about the buildroot
mailing list