RFR: JDK-8073965: Bring compare.sh up to date with JDK 9

Erik Joelsson erik.joelsson at oracle.com
Thu Feb 26 15:05:04 UTC 2015


The build compare script, which was developed for the build-infra 
makefile rewrite project, has been unmaintained for a while. I would 
like to bring it to a basic usable level with current JDK 9 (as I need 
to use it quite a lot these days). This includes various minor fixes and 
adjustments, mostly to the exception code. Some of the changes are:

* Remove 32bit solaris exceptions
* Update exception file listings with added and removed filed from the 
images, including the removal of the jre dir in the jdk image.
* Rename variables and working dirs from j2sdk to jdk and j2re to jre.
* Update sed expressions used to filter certain comparisons to adapt to 
the output of new compiler and OS versions.

I have run these changes on all Oracle official platforms and at least 
for me, the comparisons are now clean for reasonably equal builds. 
Further improvements are likely to be needed though.

Bug: https://bugs.openjdk.java.net/browse/JDK-8073965
Webrev: http://cr.openjdk.java.net/~erikj/8073965/webrev.01/


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