RFR: 8284588: Remove GensrcCommonLangtools.gmk

[Erik Joelsson]

On Fri, 8 Apr 2022 14:57:02 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> There's been unnecessary (near) duplication of functionality, and messy logic, in the langtools gensrc step, for a long time. (Basically since we got rid of the mercurial forest...)
> 
> This is a first attempt at cleaning this up. The file GensrcCommonLangtools.gmk is removed. This contained three pieces of functionality. 
> 
> * SetupVersionProperties was moved to GensrcCommonJdk.gmk (which was renamed to GensrcCommon.gmk). 
> * PropertiesParser was only used in one place, and moved there. (jdk.compiler/Gensrc.gmk). It was also heavily rewritten to show more clearly what it actually is doing.
> * SetupCompileProperties (from langtools) were replaced with calls to SetupCompileProperties (from GensrcCommon/"jdk"), which was modified slightly to accomodate for the differences. (Also the Java tool needed to be slightly modified to accept the same syntax as the JDK version of this tool.)
> 
> A reasonable follow-up is to research if the two SetupCompileProperties tools can be unified into one.

Marked as reviewed by erikj (Reviewer).

make/modules/jdk.compiler/Gensrc.gmk line 63:

> 61:     $(PARSEPROPERTIES_FILES))
> 62: 
> 63: PARSEPROPERTIES_ARGS := $(foreach file, $(PARSEPROPERTIES_FILES), \

This could be simplified by iterating over PARSEPROPERTIES_SRC.

-------------

PR: https://git.openjdk.java.net/jdk/pull/8167