Merge branch 'master' into ng/master

* master:
  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

Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>

diff --cc configure.ac
Simple merge

diff --cc doc/automake-ng.texi
Simple merge