check install automake and auto conf

autogen.sh

@@ -1,5 +1,9 @@
 #!/bin/sh
 
+checkInstalled () {
+	which "$1" || { echo "$1 not installed"; exit 0; }
+}
+
 srcdir=`dirname $0`
 test -z "$srcdir" && srcdir=.
 ORIGDIR=`pwd`
@@ -8,6 +12,9 @@ set -x
 
 cd $srcdir
 
+checkInstalled "automake"
+checkInstalled "autoconf"
+
 aclocal -I m4macros \
   && autoheader \
   && automake --gnu --add-missing \