autogen.sh: detect automake version format a.b.c and a.b

diff --git a/autogen.sh b/autogen.sh
index d47d7504b68268ab3de7bf49b73a8b716307b8b5..47c476c79632ef5a3d02b6181b78b8a7905f40de 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -153,7 +153,7 @@ echo "Searching for required tools ..."
 [ -z "$AUTOMAKE" ] && Notfound automake
 [ -z "$AUTOCONF" ] && Notfound autoconf
 
-AM_VERSION=`$AUTOMAKE --version | egrep -o "([0-9]+\.[0-9]+\.[0-9]+)"`
+AM_VERSION=`$AUTOMAKE --version|head -n 1|egrep -o "([1-9]\.[0-9]+(\.[0-9]+)*)"`
 ifs=$IFS; IFS="."; set $AM_VERSION; IFS=$ifs
 AM_MAJOR="$1"; AM_MINOR="$2"; AM_PATCHLEVEL="$3"