[arch-dev-public] [signoff] gcc 4.2.3, mpfr 2.3.1

Gcc has been updated to 4.2.3, changes: - mpfr 2.3.1 moved to core/lib - gcc-libs contains objc and fortran libs, provides gcc-fortran and gcc-objc from extra for runtime dependencies - gcc contains fortran, objc and treelang compilers, replaces gcc-fortran and gcc-objc from extra - gcc contains manpages again - gcc-gcj updated to 4.2.3 from ubuntu branch - java-gcj-compat fixed to include a cacert database Packages have been built for x86_64 only, the i686 packages are done partially. gcc, gcc-libs and mpfr are in my staging directory, I'll upload i686 versions of java-gcj-compat and gcc-gcj tomorrow, after which I will move them to testing for i686 also.