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Re: jam is deprecated
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Re: jam is deprecated


  • Subject: Re: jam is deprecated
  • From: Xochitl Lunde <email@hidden>
  • Date: Wed, 6 Jan 2010 14:15:22 -0600


>
> You can still build on Snow Leopard with Java SE 6 and target older
> versions, but you have to specify the -source 1.4 -target 1.4
> options to ant's javac invocation, and be careful not to use new
> API. If your "preflight" stub is the only part of your app that has
> to build this way, this shouldn't be a big problem.

>
> Ant (and from Xcode's perspective, any "external") targets should be
> buildable going back to before 10.4. You can still use the same app
> bundling logic, or if you'd like, check out the JNI Library template
> in Xcode 3.0 that builds a full Java application. You can simply
> remove the parts you don't use, like the native library target, and
> use that as a base which builds on Leopard if you change the project
> file to be Xcode 2.4 compatible.

>
> Ideally if you have an Xcode 2.4 compatible project file with
> external targets that build your Java resources using ant, with -
> source 1.4 -target 1.4, that should build equally well on both
> Leopard and Snow Leopard.


Then I am a little confused as to why I have the "Jam is deprecated" problem in the first place.  If I use Xcode 3.0 to create a new project, it gives me the options of Java Application and Java JNI Application in the New Project Assistant.  Both of these claim to be "Ant-based" builds.  I created my Java GUI targets in the same project as the backend which I think was originally instantiated with the Command Line Utility C++ Tool template.  When I created the Java targets in that project, I chose "Java Application" for the target type.  I am confused why creating the target that way would give me a non-Ant target using Jam, but using the Project Template for Java Application will give me an Ant target.

If these new Ant targets are External Build System targets, does that mean they also will be saved in the *.pbxuser file instead of the *.pbxproj file?  I moved away from using external build targets to build my program because of having to maintain a default.pbxuser file.

I haven't added any special "bundling logic" to my program, other than to use the Java Application target template and add a Copy Files Build Phase.  I definitely would like to keep the functionality from the Java Application target, because it does create a nice .app bundle that seems able to launch from anywhere in the file system.
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