[m2] Multiproject & Dependecies

[Peter van de Hoef]

Hi all,
I am having a problem with building/installing POM's that depend on each 
other.
My question is: how can I enfore a specific build order in multiproject 
builds?

Basically, the configuration (stripped down to be able to isolate the 
problem) is as follows:
A 'parent':

   <project>
       <name>Parent POM</name>
       <groupId>_test</groupId>
       <artifactId>parent</artifactId>
       <version>1.0-SNAPSHOT</version>
       <packaging>pom</packaging>  
   </project>

and a 'child' that extends the 'parent':
   <project>
       <name>Child POM</name>
       <groupId>_test</groupId>
       <artifactId>child</artifactId>
       <version>1.0-SNAPSHOT</version>
       <packaging>pom</packaging>
       <parent>
           <groupId>_test</groupId>
           <artifactId>parent</artifactId>
           <version>1.0-SNAPSHOT</version>
       </parent>      
   </project>

So far, so good.
Now I am trying to build  these two POM's with a third one which looks like:
   <project>
       <groupId>_test</groupId>
       <artifactId>modules</artifactId>
       <version>1.0-SNAPSHOT</version>
       <packaging>pom</packaging>
       <modules>
           <module>parent</module>
           <module>child</module>
       </modules>
   </project>
The 'parent' and 'child' POM's are located in a 'parent' and 'child' 
subdirectory under the directory of this last POM.

When I run 'm2 install' on this last POM, the build fails because it 
tries to build the the 'child' before the 'parent'.
Since the child is based on the parent, it will try to download it which 
fails since it hasn't been build and deployed.

Apparently the modules are not built in the order in which they are 
specified in the <modules> section but alphabetically, since when I 
change the name of the 'child' directory to 'zchild' the build order is 
correct. It builds the parent first (Note that only the directory name 
had to be changed, not the <artifactId>).

My question is: how can I enfore a specific build order in multiproject 
builds?
Is a parent-child relationship not automatically considered a dependency 
in a multiproject?
I tried to solve it by explicitly stating that the child depends on the 
parent by inserting a <dependency> in the child but that did not work.

Any help is appreciated.
Thanks in advance,
Peter van de Hoef
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