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build: show cc outputs when version detection failed #61700

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build: show cc outputs when version detection failed #61700

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10 changes: 8 additions & 2 deletions configure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1280,10 +1280,16 @@ def try_check_compiler(cc, lang):
b'__clang_major__ __clang_minor__ __clang_patchlevel__ '
b'__APPLE__')

cc_out = proc.communicate()
cc_stdout = to_utf8(cc_out[0])
if sys.platform == 'zos':
values = (to_utf8(proc.communicate()[0]).split('\n')[-2].split() + ['0'] * 7)[0:8]
values = (cc_stdout.split('\n')[-2].split() + ['0'] * 7)[0:8]
else:
values = (to_utf8(proc.communicate()[0]).split() + ['0'] * 7)[0:8]
values = (cc_stdout.split() + ['0'] * 7)[0:8]

if len(values) < 8:
cc_stderr = to_utf8(cc_out[1]) if cc_out[1] else ''
raise Exception(f'Could not determine compiler version info. \nstdout:\n{cc_stdout}\nstderr:\n{cc_stderr}')

is_clang = values[0] == '1'
gcc_version = tuple(map(int, values[1:1+3]))
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