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flex version


From: Peter Cheung
Subject: flex version
Date: Sun, 15 Nov 2015 00:22:34 +0800

hi
   my flex in mac is installed using macports. 

$flex --version
flex 2.5.35 Apple(flex-31)

And the line in configure fail

version=`$LEX --version | $AWK '{ split($NF,x,"."); print x[1]*10000+x[2]*100+x[3]; }`

Better to change it to:

version=`$LEX --version | sed 's/flex //'|sed 's/ .*//'| $AWK '{ split($NF,x,"."); print x[1]*10000+x[2]*100+x[3]; }`

thanks
from Peter

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