build-sys: autogen.sh reports versions of autotools now

Signed-off-by: Karel Zak <kzak@redhat.com>

autogen.sh

@@ -53,6 +53,15 @@ test -f mount/mount.c || {
 	exit 1
 }
 
+echo
+echo "Generate build-system by:"
+echo "   autopoint:  $(autopoint --version | head -1)"
+echo "   aclocal:    $(aclocal --version | head -1)"
+echo "   autoconf:   $(autoconf --version | head -1)"
+echo "   autoheader: $(autoheader --version | head -1)"
+echo "   automake:   $(automake --version | head -1)"
+echo
+
 set -e
 autopoint --force $AP_OPTS
 aclocal -I m4 $AL_OPTS
@@ -62,8 +71,8 @@ automake --add-missing $AM_OPTS
 
 cd $THEDIR
 
-echo 
+echo
 echo "Now type '$srcdir/configure' and 'make' to compile."
-echo 
+echo