Make target for compiling java classes only?

[Ken Cavanaugh]

On Jan 10, 2008, at 9:09 AM, Kelly O'Hair wrote:

> Some of the java sources are generated, from Makefile logic. So no  
> you can't
> just do a javac `find . -name \*.java`.
>
> But in general, the java compilations and the native compilations  
> are done
> together as each part of the jdk areas are built.
>
> The corba,

CORBA generates quite a bit of code during the build, so just  
compiling *.java
won't work at all there.  There is no native code (except the CLI  
wrappers, which
aren't in the CORBA workspace now as I recall).

Ken.

> jaxp, jaxws, langtools directories are almost 100% java, and I don't
> think need to generate any java code or rely on native code being  
> compiled, but
> I'm not 100% sure of that.
> But the jdk directory and it's makefiles are the ones that contain  
> the core
> java sources, with some generated sources, and the native  
> compilation scattered
> all around in it.
>
> Historically in jdk6 and older source bases, the jdk directory  
> (formerly called
> "j2se") was built in such a bootstrap way that it was necessary to  
> build all
> the native code with the java classes so that the resulting classes  
> could actually
> be run during the build.
> With jdk7 this need to run what you built during the build has gone  
> away quite a bit
> with the creation/separation of the langtools directory.
> So it's becoming more possible to separate the build into phases  
> that could be
> done to the complete source base, e.g. import_files, prep_tools,  
> generate_source,
> compile_java_classes, create_javah_headers,  
> compile_native_code, ... etc.
> I have no idea if this will ever happen, but it is now at least  
> possible.
>
> -kto
>
> Roman Kennke wrote:
>> Hi there,
>> I'm looking for a make target, that compiles only the Java classes of
>> OpenJDK. Is there a way to do that? Thanks,
>> /Roman
>