* David Ahern <dsah...@gmail.com> wrote:
> When building perf out of tree
> make perf-tar-src-pkg
> tar -xf perf-<ver>.tar -C /tmp
> cd /tmp/perf<ver>
> make -C tools/perf
>
> you get the warning message:
> make[1]: *** No rule to make target `kernelversion'. Stop.
>
> Fix by saving the perf version in the tar file and using that for the
> out of tree builds.
>
> v2: removed short form request and fixed up version string from usual output
>
> Suggested-by: Ingo Molnar <mi...@kernel.org>
> Signed-off-by: David Ahern <dsah...@gmail.com>
> Cc: Ingo Molnar <mi...@kernel.org>
> Cc: Namhyung Kim <namhy...@kernel.org>
> Cc: Jiri Olsa <jo...@redhat.com>
> ---
> scripts/package/Makefile | 4 +++-
> tools/perf/util/PERF-VERSION-GEN | 3 +++
> 2 files changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/scripts/package/Makefile b/scripts/package/Makefile
> index a4f31c900fa6..c5d473393816 100644
> --- a/scripts/package/Makefile
> +++ b/scripts/package/Makefile
> @@ -115,7 +115,9 @@ git --git-dir=$(srctree)/.git archive
> --prefix=$(perf-tar)/ \
> -o $(perf-tar).tar; \
> mkdir -p $(perf-tar); \
> git --git-dir=$(srctree)/.git rev-parse HEAD > $(perf-tar)/HEAD; \
> -tar rf $(perf-tar).tar $(perf-tar)/HEAD; \
> +(cd $(srctree)/tools/perf; \
> +util/PERF-VERSION-GEN ../../$(perf-tar)/ 2>/dev/null); \
> +tar rf $(perf-tar).tar $(perf-tar)/HEAD $(perf-tar)/PERF-VERSION-FILE; \
> rm -r $(perf-tar); \
> $(if $(findstring tar-src,$@),, \
> $(if $(findstring bz2,$@),bzip2, \
> diff --git a/tools/perf/util/PERF-VERSION-GEN
> b/tools/perf/util/PERF-VERSION-GEN
> index 15a77b7c0e36..00d88be4e50c 100755
> --- a/tools/perf/util/PERF-VERSION-GEN
> +++ b/tools/perf/util/PERF-VERSION-GEN
> @@ -19,6 +19,9 @@ if test -d ../../.git -o -f ../../.git
> then
> TAG=$(git describe --abbrev=0 --match "v[0-9].[0-9]*" 2>/dev/null )
> CID=$(git log -1 --abbrev=4 --pretty=format:"%h" 2>/dev/null) &&
> CID="-g$CID"
> +elif test -f ../../PERF-VERSION-FILE
> +then
> + TAG=$(cut -d' ' -f3 ../../PERF-VERSION-FILE | sed -e 's/\"//g')
> fi
> if test -z "$TAG"
> then
Nice!
Reviewed-by: Ingo Molnar <mi...@kernel.org>
Thanks,
Ingo
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