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tools build: Allow duplicate objects in the object list

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It's sometimes useful to specify the object affiliation to multiple
config options like:

  libperf-$(CONFIG_X86) += tsc.o
  libperf-$(CONFIG_AUXTRACE) += tsc.o

while the object itself is linked only once. Adding the support for this
and ignoring duplicate objects in the object list.

Suggested-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/20150826130103.GF22670@krava.redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa
2015-08-26 15:01:03 +02:00
committed by Arnaldo Carvalho de Melo
parent 18b9a05868
commit 0bdede8a3e
3 changed files with 3 additions and 1 deletions
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tools/build/tests/ex/Build
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@@ -1,6 +1,7 @@
ex-y += ex.o
ex-y += a.o
ex-y += b.o
ex-y += b.o
ex-y += empty/
ex-y += empty2/