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makepanda: Fix detecting flex version on macOS, more robust checking

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rdb 2021-01-02 18:50:23 +01:00
parent 5d5efb75e8
commit fd2041d209
1 changed files with 11 additions and 4 deletions
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15
makepanda/makepandacore.py
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@ -558,10 +558,17 @@ def GetFlexVersion():
if not flex:
return None
handle = subprocess.Popen(["flex", "--version"], executable=flex, stdout=subprocess.PIPE)
version = handle.communicate()[0].strip().splitlines()[0].split(b' ')[-1]
version = tuple(map(int, version.split(b'.')))
return version
try:
handle = subprocess.Popen(["flex", "--version"], executable=flex, stdout=subprocess.PIPE)
words = handle.communicate()[0].strip().splitlines()[0].split(b' ')
if words[1] != "version":
version = words[1]
else:
version = words[2]
return tuple(map(int, version.split(b'.')))
except:
Warn("Unable to detect flex version")
return (0, 0, 0)
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