JBoss has a custom maven-jboss-compiler-plugin that seems to do this.
I solved this myself by configuring the compiler plugin to run twice,
and excluding non Java1.3 classes for default (first) compile. But this
require to setup in the POM excludes patterns :
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<!--
By default, compile for full Java 1.3 compatibility
-->
<source>1.3</source>
<target>1.3</target>
<compilerArguments>
<bootclasspath>
${settings.localRepository}/com/sun/rt/1.3.1_18/rt-1.3.1_18.jar
</bootclasspath>
</compilerArguments>
</configuration>
<executions>
<execution>
<id>compile_java_1.5</id>
<phase>compile</phase>
<goals><goal>compile</goal></goals>
<configuration>
<source>1.5</source>
<target>1.5</target>
<compilerArguments>
<bootclasspath>
${settings.localRepository}/com/sun/rt/1.5.0_06/rt-1.5.0_06.jar
</bootclasspath>
</compilerArguments>
</configuration>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>com.sun</groupId>
<artifactId>rt</artifactId>
<version>1.3.1_18</version>
</dependency>
<dependency>
<groupId>com.sun</groupId>
<artifactId>rt</artifactId>
<version>1.5.0_06</version>
</dependency>
</dependencies>
</plugin>
Ruel Loehr a écrit :
No. The compiler plugin is not flexible enough to be changed and then reran.
I encountered the same problem. I needed to produce java1.4 and java1.5 code
and did not want to split the code into 2 separate projects.
I had to create my own compiler plugin and bind it to a random phase prior to
jarring which would be executed as part of a java1.5 profile. This was in
addition to the default compiler.
Very, very ugly solution, but it was the only one which I could find.
What we would need, for this to work well is:
1) The compiler plugin would need to be able to be bound to different phases
(e.g. a custom compiler phase)
2) The compiler plugin would need to be configurable (e.g. I can overwrite the
default src dir with one of my own choosing)
Ruel Loehr
JBoss QA
-----Original Message-----
From: Nicolas De Loof [mailto:[EMAIL PROTECTED]
Sent: Monday, August 21, 2006 10:31 AM
To: Maven Users List
Subject: [m2] howto run the maven compiler two times ?
Hello,
I've a requirement for a utility lib to include both Java1.3 and Java5
code. I don't want to split my lib into two jars, but to split the
source three into src/main/java and src/main/tiger. I'm searching for a
way to configure the compiler plugin for this.
I've set two compiler configuration (default config is for 1.3 and
<id>tiger</id> execution for java5)
I've tried to use the build-helper plugin, but I cannot make int run
between compiler default execution (java13) and compiler java5 execution.
I've also looked at compiler doc, but "|compileSourceRoots|" seems to be
readonly.
My requirement seems not to be so strange : take a look at Spring or any
other utility/framework that want to add support for Java5 witout
breaking existing code.
Is there any known solution for this ?
Nico.
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