Commit-ID: b8e52be00ca7e7659e8ee172ce9e6f0c6af28ec8
Gitweb: http://git.kernel.org/tip/b8e52be00ca7e7659e8ee172ce9e6f0c6af28ec8
Author: Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Fri, 15 Jan 2016 04:00:17 +0000
Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Fri, 15 Jan 2016 16:32:00 -0300
perf build: Add feature-dump target
To provide FEATURE-DUMP into $(FEATURE_DUMP_COPY) if defined, with no
further action.
Get feature dump of the current build:
$ make feature-dump
BUILD: Doing 'make -j4' parallel build
Auto-detecting system features:
... dwarf: [ on ]
FEATURE-DUMP file available in FEATURE-DUMP
Get feature dump static build into /tmp/fd file:
$ make feature-dump FEATURE_DUMP_COPY=/tmp/fd LDFLAGS=-static
BUILD: Doing 'make -j4' parallel build
Auto-detecting system features:
... dwarf: [ OFF ]
SNIP
FEATURE-DUMP file copied into /tmp/fd
Suggested-by: Wang Nan <wangnan0@xxxxxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Tested-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Zefan Li <lizefan@xxxxxxxxxx>
Cc: pi3orama@xxxxxxx
Link: http://lkml.kernel.org/r/1452830421-77757-6-git-send-email-wangnan0@xxxxxxxxxx
Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/Makefile.perf | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 0a22407..f758a72 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -611,6 +611,17 @@ clean: $(LIBTRACEEVENT)-clean $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean
$(python-clean)
#
+# To provide FEATURE-DUMP into $(FEATURE_DUMP_COPY)
+# file if defined, with no further action.
+feature-dump:
+ifdef FEATURE_DUMP_COPY
+ @cp $(OUTPUT)FEATURE-DUMP $(FEATURE_DUMP_COPY)
+ @echo "FEATURE-DUMP file copied into $(FEATURE_DUMP_COPY)"
+else
+ @echo "FEATURE-DUMP file available in $(OUTPUT)FEATURE-DUMP"
+endif
+
+#
# Trick: if ../../.git does not exist - we are building out of tree for example,
# then force version regeneration:
#
--
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