hg: build-infra/jdk8: Added config option and test for static linking of libstdc++ library.

[fredrik.ohrstrom at oracle.com]

Changeset: 7c666079bf02
Author:    ohrstrom
Date:      2012-03-02 12:23 +0100
URL:       http://hg.openjdk.java.net/build-infra/jdk8/rev/7c666079bf02

Added config option and test for static linking of libstdc++ library.
Also removed explicit use of CPP for assembler code. Does not seem to be needed
and causes a compilation platforms on some gcc:s.

! common/autoconf/configure
! common/autoconf/configure.ac