14.11.2015 19:22, Peter Cheung пишет:
> 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]; }’`
>

Does attached patch help?