Specify --git-dir when building perf targets to allow out-of-tree
builds using O=<build-dir>.
The shell command in `git archive' had to be modified to allow proper
file name expansion of the files listed in MANIFEST.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
quiet_cmd_perf_tar = TAR
cmd_perf_tar = \
-git archive --prefix=$(perf-tar)/ HEAD^{tree} \
- $$(cat $(srctree)/tools/perf/MANIFEST) -o $(perf-tar).tar; \
+git --git-dir=$(srctree)/.git archive --prefix=$(perf-tar)/ \
+ HEAD^{tree} $$(cd $(srctree); \
+ echo $$(cat $(srctree)/tools/perf/MANIFEST)) \
+ -o $(perf-tar).tar; \
mkdir -p $(perf-tar); \
-git rev-parse HEAD > $(perf-tar)/HEAD; \
+git --git-dir=$(srctree)/.git rev-parse HEAD > $(perf-tar)/HEAD; \
tar rf $(perf-tar).tar $(perf-tar)/HEAD; \
rm -r $(perf-tar); \
$(if $(findstring tar-src,$@),, \