Shell snippet that autodetects Emacs' compile mode and then passes

-emacs as well as build.compiler.emacs to Ant.

PR: 11056, 11057
Submitted by:	Ville Skytt� <ville.skytta@iki.fi>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273184 13f79535-47bb-0310-9956-ffa450edef68

docs/faq.html

@@ -1353,9 +1353,37 @@ shell-prompt> cat < foo
         regular expressions in your editor that would account for
         this.</p>
                                         <p>You can disable this banner by invoking Ant with the
-        <code>-emacs</code> switch. Alternatively, you can add the
-        following snippet to your <code>.emacs</code> to make Emacs
-        understand Ant's output.</p>
+        <code>-emacs</code> switch.  To make Ant autodetect
+        Emacs' compile mode, put this into your
+        <code>.antrc</code> (contributed by Ville Skyttä).</p>
+                                          <div align="left">
+    <table cellspacing="4" cellpadding="0" border="0">
+      <tr>
+        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+        <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+      </tr>
+      <tr>
+        <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+        <td bgcolor="#ffffff"><pre>
+# Detect (X)Emacs compile mode
+if [ &quot;$EMACS&quot; = &quot;t&quot; ] ; then 
+  ANT_ARGS=&quot;$ANT_ARGS -emacs&quot; 
+  ANT_OPTS=&quot;$ANT_OPTS -Dbuild.compiler.emacs=true&quot; 
+fi 
+</pre></td>
+        <td bgcolor="#023264" width="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+      </tr>
+      <tr>
+        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+        <td bgcolor="#023264" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+        <td bgcolor="#023264" width="1" height="1"><img src="/images/void.gif" width="1" height="1" vspace="0" hspace="0" border="0"/></td>
+      </tr>
+    </table>
+  </div>
+                                        <p>Alternatively, you can add the following snippet to your
+        <code>.emacs</code> to make Emacs understand Ant's
+        output.</p>
                                           <div align="left">
     <table cellspacing="4" cellpadding="0" border="0">
       <tr>

docs/projects.html

@@ -188,12 +188,12 @@
     <tr><td>
       <blockquote>
                         <p>AntDoc is a tool that generates HTML documentation from Ant
-	buildfiles; the generated HTML is inspired from what javadoc
-	yields. It also offers a simple Ant target launcher named
-	AntDoc GUI. Ant targets may be launched from the generated
-	AntDoc HTML pages.</p>
+        buildfiles; the generated HTML is inspired from what javadoc
+        yields. It also offers a simple Ant target launcher named
+        AntDoc GUI. Ant targets may be launched from the generated
+        AntDoc HTML pages.</p>
                                 <p>AntDoc can be run via an Ant task, AntDoc GUI can be run
-	via an Ant task, or via a JVM launch.</p>
+        via an Ant task, or via a JVM launch.</p>
                                   <table>
               <tr>
                   <td bgcolor="#039acc" colspan="" rowspan="" 

xdocs/faq.xml

@@ -612,9 +612,21 @@ shell-prompt> cat < foo
         this.</p>
 
         <p>You can disable this banner by invoking Ant with the
-        <code>-emacs</code> switch. Alternatively, you can add the
-        following snippet to your <code>.emacs</code> to make Emacs
-        understand Ant&apos;s output.</p>
+        <code>-emacs</code> switch.  To make Ant autodetect
+        Emacs&apos; compile mode, put this into your
+        <code>.antrc</code> (contributed by Ville Skytt&#228;).</p>
+
+        <source><![CDATA[
+# Detect (X)Emacs compile mode
+if [ "$EMACS" = "t" ] ; then 
+  ANT_ARGS="$ANT_ARGS -emacs" 
+  ANT_OPTS="$ANT_OPTS -Dbuild.compiler.emacs=true" 
+fi 
+]]></source>
+
+        <p>Alternatively, you can add the following snippet to your
+        <code>.emacs</code> to make Emacs understand Ant&apos;s
+        output.</p>
 
         <source><![CDATA[
 (require 'compile)