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build: fix compiler version detection #24879

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build: fix compiler version detection #24879

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b11a7bb
build: fix compiler version detection
richardlau Dec 6, 2018
208e57a
build: minimum supported GCC on AIX is 6.3.0
richardlau Dec 6, 2018
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9 changes: 5 additions & 4 deletions configure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -655,8 +655,8 @@ def try_check_compiler(cc, lang):

values = (proc.communicate()[0].split() + ['0'] * 7)[0:7]
is_clang = values[0] == '1'
gcc_version = tuple(values[1:1+3])
clang_version = tuple(values[4:4+3])
gcc_version = tuple(map(int, values[1:1+3]))
clang_version = tuple(map(int, values[4:4+3])) if is_clang else None

return (True, is_clang, clang_version, gcc_version)

Expand Down Expand Up @@ -753,6 +753,8 @@ def check_compiler(o):
ok, is_clang, clang_version, gcc_version = try_check_compiler(CXX, 'c++')
if not ok:
warn('failed to autodetect C++ compiler version (CXX=%s)' % CXX)
elif sys.platform.startswith('aix') and gcc_version < (6, 3, 0):
warn('C++ compiler too old, need g++ 6.3.0 (CXX=%s)' % CXX)
elif clang_version < (3, 4, 2) if is_clang else gcc_version < (4, 9, 4):
warn('C++ compiler too old, need g++ 4.9.4 or clang++ 3.4.2 (CXX=%s)' % CXX)

Expand Down Expand Up @@ -921,8 +923,7 @@ def gcc_version_ge(version_checked):
for compiler in [(CC, 'c'), (CXX, 'c++')]:
ok, is_clang, clang_version, compiler_version = \
try_check_compiler(compiler[0], compiler[1])
compiler_version_num = tuple(map(int, compiler_version))
if is_clang or compiler_version_num < version_checked:
if is_clang or compiler_version < version_checked:
return False
return True

Expand Down