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perf tools: Pass PYTHON config to feature detection

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( This is a rebased version of https://lkml.org/lkml/2017/2/7/662 )

Python's CC and link Makefile variables were not passed to feature
detection, causing feature detection to use system's Python rather than
PYTHON_CONFIG's one. This created a mismatch between the detected Python
support and the one actually used by perf when PYTHON_CONFIG is
specified.

Fix it by moving Python's variable initialization to before feature
detection and pass FLAGS_PYTHON_EMBED to Python's feature detection's
build target.

Signed-off-by: David Carrillo-Cisneros <davidcc@google.com>
Acked-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: He Kuang <hekuang@huawei.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Paul Turner <pjt@google.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Simon Que <sque@chromium.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/r/20170412064919.92449-2-davidcc@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
David Carrillo-Cisneros
2017-04-11 23:49:13 -07:00
committed by Arnaldo Carvalho de Melo
parent a8d11cd071
commit 7be6b3166e
2 changed files with 13 additions and 20 deletions
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tools/build/feature/Makefile
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@@ -175,7 +175,7 @@ $(OUTPUT)test-libperl.bin:
$(BUILD) $(FLAGS_PERL_EMBED)
$(OUTPUT)test-libpython.bin:
$(BUILD)
$(BUILD) $(FLAGS_PYTHON_EMBED)
$(OUTPUT)test-libpython-version.bin:
$(BUILD)