[ -z "$AUTOMAKE" ] && Notfound automake
[ -z "$AUTOCONF" ] && Notfound autoconf
-AM_VERSION=`$AUTOMAKE --version|head -n 1|egrep -o "([1-9]\.[0-9]+(\.[0-9]+)*)"`
+AM_VERSION=`$AUTOMAKE --version | head -n 1 | sed -e 's/.* //g'`
ifs=$IFS; IFS="."; set $AM_VERSION; IFS=$ifs
AM_MAJOR="$1"; AM_MINOR="$2"; AM_PATCHLEVEL="$3"