--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/common/autoconf/help.m4	Tue Apr 10 08:18:28 2012 -0700
@@ -0,0 +1,110 @@
+#
+# Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+#
+# This code is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License version 2 only, as
+# published by the Free Software Foundation.  Oracle designates this
+# particular file as subject to the "Classpath" exception as provided
+# by Oracle in the LICENSE file that accompanied this code.
+#
+# This code is distributed in the hope that it will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+# version 2 for more details (a copy is included in the LICENSE file that
+# accompanied this code).
+#
+# You should have received a copy of the GNU General Public License version
+# 2 along with this work; if not, write to the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+# or visit www.oracle.com if you need additional information or have any
+# questions.
+#
+
+function help_on_build_dependency {
+    # Print a helpful message on how to acquire the necessary build dependency.
+    # $1 is the help tag: freetyp2, cups, pulse, alsa etc
+    MISSING_DEPENDENCY=$1
+    PKGHANDLER_COMMAND=
+
+    AC_CHECK_PROGS(PKGHANDLER, apt-get yum port pkgutil pkgadd)
+
+    case $PKGHANDLER in
+	apt-get)
+                apt_help     $MISSING_DEPENDENCY ;;
+        yum)
+                yum_help     $MISSING_DEPENDENCY ;;
+	port)
+                port_help    $MISSING_DEPENDENCY ;;
+	pkgutil)
+                pkgutil_help $MISSING_DEPENDENCY ;;
+	pkgadd)
+                pkgadd_help  $MISSING_DEPENDENCY ;;
+    * )
+      break ;;
+    esac
+
+    if test "x$PKGHANDLER_COMMAND" != x; then
+        HELP_MSG="Try running '$PKGHANDLER_COMMAND'."
+    fi
+}
+
+function apt_help {
+    case $1 in
+    devkit)
+        PKGHANDLER_COMMAND="sudo apt-get install build-essential" ;;
+    openjdk)
+        PKGHANDLER_COMMAND="sudo apt-get install openjdk-7-jdk" ;;
+    alsa)
+        PKGHANDLER_COMMAND="sudo apt-get install libasound2-dev" ;;
+    cups)
+        PKGHANDLER_COMMAND="sudo apt-get install libcups2-dev" ;;
+    freetype2)
+        PKGHANDLER_COMMAND="sudo apt-get install libfreetype6-dev" ;;
+    pulse)
+        PKGHANDLER_COMMAND="sudo apt-get install libpulse-dev" ;;
+    x11)
+        PKGHANDLER_COMMAND="sudo apt-get install libX11-dev libxext-dev libxrender-dev libxtst-dev" ;;
+    ccache)
+        PKGHANDLER_COMMAND="sudo apt-get install ccache" ;;
+    * )
+       break ;;
+    esac
+}
+
+function yum_help {
+    case $1 in
+    devkit)
+        PKGHANDLER_COMMAND="sudo yum groupinstall \"Development Tools\"" ;;
+    openjdk)
+        PKGHANDLER_COMMAND="sudo yum install java-1.7.0-openjdk" ;;
+    alsa)
+        PKGHANDLER_COMMAND="sudo yum install alsa-lib-devel" ;;
+    cups)
+        PKGHANDLER_COMMAND="sudo yum install cups-devel" ;;
+    freetype2)
+        PKGHANDLER_COMMAND="sudo yum install freetype2-devel" ;;
+    pulse)
+        PKGHANDLER_COMMAND="sudo yum install pulseaudio-libs-devel" ;;
+    x11)
+        PKGHANDLER_COMMAND="sudo yum install libXtst-devel" ;;
+    ccache)
+        PKGHANDLER_COMMAND="sudo yum install ccache" ;;
+    * )
+       break ;;
+    esac
+}
+
+function port_help {
+    PKGHANDLER_COMMAND=""
+}
+
+function pkgutil_help {
+    PKGHANDLER_COMMAND=""
+}
+
+function pkgadd_help {
+    PKGHANDLER_COMMAND=""
+}