On 15/10/2013 15:30, Erik Joelsson wrote:
Currently the RMI stubs in the jdk are built with the newly built rmic binary at the end of the build. This patch changes that and instead builds a bootstrap version of the rmic classes, much like bootstrap javac in langtools, which runs on the bootjdk, but generates classes for the new jdk. The new solution is more friendly to cross compilation.

A few notes on the patch:

* In src/share/classes/sun/tools/tree/Node.java, I had to change a call to a jdk8 only constructor in java.lang.InternalError. * The packages included when compiling rmic were just picked by extending for each missing class until the compilation succeeded. If someone knows of a crucial package or class that needs to be included, please say so. * I renamed a parameter to SetupJavaCompilation. I do not consider the parameter a hack anymore, but a necessary option for this case. * In RMICompilation, the dependency file is now a real touch file instead of a virtual one. This was needed for proper dependencies in GenerateClasses.gmk. * All of corba is compiled twice since I have no idea which parts would actually be needed. This doesn't add much build time since it can be run effectively in parallel with the rest of the corba build. * I put the compilation of bootstrap rmic in GenerateClasses.gmk directly instead of Tools.gmk. This was to not add much compile time, since Tools.gmk is included and therefore parsed a lot.

Bug: https://bugs.openjdk.java.net/browse/JDK-6604021
Webrev: http://cr.openjdk.java.net/~erikj/6604021/webrev.01/

/Erik
It's great to see a solution coming for this, it was always been troublesome to run the newly built rmic.

So what are the implications of this? I assume it means that we need to be careful in sun.rmi.rmic, sun.tools.{asm,java,javac,tree,util} and restrict API usage to what is available in the boot JDK - is that right?

-Alan.

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