Make the "Warning" notice a LOT more prominent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@16414 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/autoconf/AutoRegen.sh b/autoconf/AutoRegen.sh
index 4014e2c..fd3ff74 100755
--- a/autoconf/AutoRegen.sh
+++ b/autoconf/AutoRegen.sh
@@ -21,7 +21,16 @@
 if test $? -ne 0 ; then
   die "Your libtool was not detected as being 1.5.10"
 fi
-echo "Note: Warnings about 'AC_CONFIG_SUBDIRS: you should use literals' are ok"
+echo ""
+echo "### NOTE: ############################################################"
+echo "### If you get *any* warnings from autoconf below other than warnings"
+echo "### about 'AC_CONFIG_SUBDIRS: you should use literals', you MUST fix"
+echo "### the scripts in the m4 directory because there are future forward"
+echo "### compatibility or platform support issues at risk. Please do NOT"
+echo "### commit any configure.ac or configure script that was generated "
+echo "### with warnings present."
+echo "######################################################################"
+echo ""
 echo "Regenerating aclocal.m4 with aclocal"
 cwd=`pwd`
 aclocal --force -I $cwd/m4 || die "aclocal failed"