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Date: Fri, 07 Jul 2006 12:39:08 +0200
From: Nicolas De Loof <nicolas.deloof@capgemini.com>
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To: Maven Developers List <dev@maven.apache.org>
Subject: Re: compiler plugin "how to use"
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OK, this apt file is not in synch with current public maven site, so 
searching "You can use any JDK to compile" had no result.

Here is my patch

Brett Porter a �crit :
> maven-compiler-plugin/src/site/apt/examples/compile_using_different_jdk.apt 
>
>
> On 7/07/2006 8:29 PM, Nicolas De Loof wrote:
>>
>> Looking in maven-compiler-plugin I don't find the howto document.
>> Did I miss something ?
>>
>> Nicolas De Loof a �crit :
>>>
>>> I'll checkout maven-compiler-plugin from SVN and prepare a doc patch.
>>>
>>> Brett Porter a �crit :
>>>> This is a good alternative. I think it should be added to the 
>>>> documentation (both approaches should be documented).
>>>>
>>>> Can you provide a patch?
>>>>
>>>> Thanks,
>>>> Brett
>>>>
>>>> On 5/07/2006 5:33 PM, Nicolas De Loof wrote:
>>>>>
>>>>> I've read on 
>>>>> http://maven.apache.org/plugins/maven-compiler-plugin/howto.html
>>>>> the "official" way to compile a Java1.3 application.
>>>>>
>>>>> I think this solution isn't the best/easier as this requires the 
>>>>> target environment to have the expected JDK installed and the 
>>>>> correct properties set, with no standard naming for it.
>>>>> I myself get troubles with it as I can run JDK1.3 on my nightly 
>>>>> build server (Linux Ubuntu : requires some "stdlibc++libc6....")
>>>>>
>>>>> I'm using an alternative solution that has less expectation on the 
>>>>> compilation environment :
>>>>> - Add a dependency to target runtime in the compiler plugin 
>>>>> configuration
>>>>> - Set the compiler bootclasspaht to use it
>>>>>
>>>>> <plugin>
>>>>>            <groupId>org.apache.maven.plugins</groupId>
>>>>>            <artifactId>maven-compiler-plugin</artifactId>
>>>>>            <configuration>
>>>>>                <source>1.3</source>
>>>>>                <target>1.3</target>
>>>>>                <compilerArguments>
>>>>>                      <bootclasspath>
>>>>>                           
>>>>> ${settings.localRepository}/com/sun/rt/1.3.1_08/rt-1.3.1_08.jar
>>>>>                      </bootclasspath>
>>>>>                </compilerArguments>
>>>>>            </configuration>
>>>>>            <dependencies>
>>>>>               <dependency>
>>>>>                      <groupId>com.sun</groupId>
>>>>>                      <artifactId>rt</artifactId>
>>>>>                      <version>1.3.1_08</version>
>>>>>               </dependency>
>>>>>            </dependencies>
>>>>> </plugin>
>>>>>
>>>>> This solution only requires the to install first the expected 
>>>>> rt.jar in repo, as any others java API jars (com.sun:rt POM is in 
>>>>> maven2 repo).
>>>>>
>>>>> Don't you think this solution may be promoted on compiler plugin 
>>>>> documentation ?
>>>>>
>>>>> Niso.
>>>>>
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>>>>
>>>>
>>>
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>>
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>
>


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Index: compile_using_different_jdk.apt
===================================================================
--- compile_using_different_jdk.apt	(revision 419851)
+++ compile_using_different_jdk.apt	(working copy)
@@ -33,4 +33,32 @@
   </build>
   [...]
 </project>
-+-------
\ No newline at end of file
++-------
+
+
+  An alternative is to install the rt.jar from your target JRE in your local repo using 
+  standardized maven groupId "com.sun", and configure the compiler plugin to use it
+  as bootclasspath for javac using <<<compilerArguments>>> :
+
++-------
+<plugin>
+   <groupId>org.apache.maven.plugins</groupId>
+   <artifactId>maven-compiler-plugin</artifactId>
+   <configuration>
+       <source>1.3</source>
+       <target>1.3</target>
+       <compilerArguments>
+         <bootclasspath>
+              ${settings.localRepository}/com/sun/rt/1.3.1_08/rt-1.3.1_08.jar
+         </bootclasspath>
+       </compilerArguments>
+   </configuration>
+   <dependencies>
+      <dependency>
+         <groupId>com.sun</groupId>
+         <artifactId>rt</artifactId>
+         <version>1.3.1_08</version>
+      </dependency>
+   </dependencies>
+</plugin> 
++-------


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