FYI: [IcedTea6] PR1119: Only add classes to rt-source-files.txt if needed

[Andrew Hughes]

This is the first part of implementing PR1119 in IcedTea6 (already present in IcedTea7).
It changes the Makefile.am so that javax.swing.plaf.basic.BasicDirectoryModel is only
pre-built if required methods are missing; see:

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42003

It also fixes a latent bug I found in the process, whereby the check macros for
java/javac/javah/jar/rmic/native2ascii in IcedTea6 use SYSTEM_JDK_DIR but don't
depend on the macro that defines it, leading them to instead do a path search for
javac and run the method check test against the wrong JDK.

2012-09-19  Andrew John Hughes  <gnu.andrew at redhat.com>

        PR1119: Only add classes to rt-source-files.txt if the class (or one or more of its methods/fields)
        are actually missing from the boot JDK
        * Makefile.am:
        (ICEDTEA_BOOTSTRAP_CLASSES): Only include
        javax.swing.plaf.basic.BasicDirectoryModel if
        PR42003 is present in the boot JDK.
        * NEWS: List PR1119.  Correct previous use of
        PR1119 which should be PR1121.
        * acinclude.m4:
        (IT_FIND_JAVAC): Add missing requirement of
        IT_CHECK_FOR_JDK.
        (IT_FIND_JAVA): Likewise.
        (IT_FIND_JAVAH): Likewise.
        (IT_FIND_JAR): Likewise.
        (IT_FIND_RMIC): Likewise.
        (IT_FIND_NATIVE2ASCII): Likewise.
        (IT_CHECK_FOR_METHOD): New macro to check
        for a method both at build-time and run-time.
        * configure.ac: Call IT_CHECK_FOR_METHOD
        for javax.swing.plaf.basic.BasicDirectoryModel.addPropertyChangeListener.


-- 
Andrew :)

Free Java Software Engineer
Red Hat, Inc. (http://www.redhat.com)

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