[FYI] Merge branch 'maint' into master

[Stefano Lattarini]

commit e4a5f2bfc83ffee919c2c46311573f8cfa04c825
Merge: 2d5ad97 f87ce5b
Author: Stefano Lattarini <stefano.lattar...@gmail.com>
Date:   Tue Jan 1 01:33:12 2013 +0100

    Merge branch 'maint'

    * maint:
      tests: don't always look for a C++ compiler named 'RCC'
      tests: fix bug in pkg-config-macros.sh, could cause spurious SKIPs
      docs: autom4te cache can break CONFIGURE_DEPENDENCIES
      coverage: test CONFIGURE_DEPENDENCIES
      coverage: test CONFIG_STATUS_DEPENDENCIES