Add support for the clang compiler

[toonetown]

This came from the diff at http://jogamp.org/git/?p=ant-cpptasks.git;a=commitdiff;h=2cdd1070056c0f7e9dc7f40de19c2bfdfef0432a;hp=2603158cb1a0ff29f5a23de4c0ba2ce759f574cf - it is fairly straightforward, and adds support for specifying either clang or clang++ as a compiler

[buildhive]

NAR plugin for Maven » cpptasks-parallel #7 SUCCESS
This pull request looks good
(what's this?)

[ctrueden]

Haha, I didn't even see this PR before filing mine (#15)! Obviously, this work is ultimately what is necessary for clang to work as expected. I'll test this PR against the nar-maven-plugin ITs and see whether it addresses the it0002 and it0005...

[ctrueden]

Unfortunately, on its own, this change does not fix it0002 and it0005. Haven't had time to investigate yet...

[dscho]

I think you meant to move these lines below the g++ section, i.e. just before the clang++ section. If you agree, I can move them...

[dscho]

DEV@cloud: Can one of the admins verify this patch?

[dscho]

this is ok to test

[dscho]

Please see https://github.com/maven-nar/cpptasks-parallel/compare/clang and tell me whether that is okay...

[ctrueden]

Closing in favor of PR #16, which is a rebased combination of this PR and #15.