[FYI] Merge maint into master

[Stefano Lattarini]

commit 7a56bed0b38cd90b89339b8bd638bfc7e7f6fe29
Merge: fe6743f b96263e
Author: Stefano Lattarini <address@hidden>
Date:   Tue Mar 27 22:40:20 2012 +0200

    Merge branch 'maint'

    * maint:
      depcomp: support tcc (Tiny C Compiler)
      tests: workaround for automatic linker determination and conditionals
      info: allow user to inhibit pruning of '${infodir}/dir'
      vala tests: fix spurious failures with older valac (<= 0.7.2)
      tests: fix a timestamp issue, and other minor buglets
      tests: fix spurious failure with older autoconf
      build: remove duplicated entries in $(TESTS)

    + Extra non-trivia edits:
    * tests/link_cond.test: Use 'configure.ac', not 'configure.in'.

    Signed-off-by: Stefano Lattarini <address@hidden>