On 02/03/2015 12:17 AM, Alan Bateman wrote:
For javac then there are other ideas to support compiling for previous
releases, Jon might want to say more on this.
-Alan
javac is currently in "interim land". For now, javac still supports the
bootclasspath family of options, meaning that if you have an rt.jar you
want to use, you can. If you don't specify any platform classes, the
default is to use the classes in the jrt: image.
Going forward, the expectation is that javac will support the JDK 8 set
of javac path-related options in conjunction with -target N, N <= 8. In
addition, the following JEP (currently in Draft state) will explore
providing a new option -platform N, which will be informally equivalent
to -source N -target N -bootclasspath jdkN/jre/lib/rt.jar
http://openjdk.java.net/jeps/8058150
And, we are working on full support for modules in JDK 9 javac, for use
with -target N, N >= 9.
-- Jon
