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perf python: Account for multiple words in CC

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Sometimes build systems may append options e.g. --sysroot etc. to CC
variable especially in cross-compile environments like yocto project
where CC varable is composed of cross-compiler name and some needed
options for it to work in a relocatable environment.

Therefore separate out the compiler name from rest of the options in CC,
then add the options via second argument to Popen() API

Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Fangrui Song <maskray@google.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Keeping <john@metanate.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Sedat Dilek <sedat.dilek@gmail.com>
Link: https://lore.kernel.org/r/20221205025534.150006-1-raj.khem@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Khem Raj 2022-12-04 18:55:34 -08:00 committed by Arnaldo Carvalho de Melo
parent 167b266bf6
commit 3cad53a6f9
1 changed files with 1 additions and 1 deletions
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tools/perf/util/setup.py
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@ -7,7 +7,7 @@ cc_is_clang = b"clang version" in Popen([cc.split()[0], "-v"], stderr=PIPE).stde
src_feature_tests = getenv('srctree') + '/tools/build/feature'
def clang_has_option(option):
cc_output = Popen([cc, option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines()
cc_output = Popen([cc.split()[0], str(cc.split()[1:]) + option, path.join(src_feature_tests, "test-hello.c") ], stderr=PIPE).stderr.readlines()
return [o for o in cc_output if ((b"unknown argument" in o) or (b"is not supported" in o))] == [ ]
if cc_is_clang: