fixed aclocal / autoheader order; some cosmetics

git-svn-id: https://svn.code.sf.net/p/freeglut/code/trunk@100 7f0cb862-5218-0410-a997-914c9d46530a

freeglut/freeglut/autogen.sh

@@ -1,6 +1,12 @@
-set  -x                      &&
-autoheader                   &&
-aclocal                      &&
-libtoolize  --copy  --force  &&
-automake  --add-missing      &&
+#!/bin/sh
+#
+echo "Generating build information using aclocal, automake and autoconf"
+echo "This may take a while ..."
+
+aclocal
+autoheader
+libtoolize  --copy  --force
+automake  --add-missing
 autoconf
+
+echo "Now you are ready to run ./configure"