[Automake-NG] [FYI] Merge branch 'master' into ng/master

[Stefano Lattarini]

commit 7b65b93a08c7106f7e3b29cd9051c3c39f514e66
Merge: 23a94fd 89fdcc9
Author: Stefano Lattarini <address@hidden>
Date:   Mon May 20 11:42:51 2013 +0200

    Merge branch 'master' into ng/master

    * master:
      tests: fix a spurious failure on NetBSD 5.1
      texi: build version.texi and stamp-vti in srcdir
      tests: fix a botched heading comment
      tests: fix another spurious with FreeBSD make
      tests: fix a spurious failure with FreeBSD make
      tests: fix a spurious failure with FreeBSD make
      lisp: fix a failure with Solaris /usr/xpg4/bin/sh
      tests: sanitize 'unset' usages
      tests: fix some botched/outdated comments
      tests: use perl, not find+rm, to remove temporary directories
      depend: reduce code duplication, de-uglify make verbose output
      tests: remove remaining exec bits ('master' branch)
      tests: remove remaining exec bits ('maint' branch)
      tests: remove exec bit from all of them ('micro' branch)
      maint: tests no longer need to have executable bit set
      PLANS: subdir-objects: various updates
      depend: prefer $(...) over `...` in Cygwin-specific recipes
      depend: reduce code duplication
      depend: a preparatory refactoring
      depend: refactor and remove code duplication
      Automake::Language: drop unused fields 'compile_flag' and 'output_flag'
      depend: assume '-c' compiler flag always means to produce object files
      depend: assume we can always pass '-o' to the C compiler
      cleanup: having subdir-objects mandatory allow us some simplifications
      subdir-objects: enable unconditionally

    + Non-trivial extra changes (excerpt):

    * bin/automake.in: remove few remaining subroutine prototypes.
    * lib/am/depend2.am: Drop uses of '%-o%' and '%-c%' transforms;
    just assume they expand to '-o' and '-c' unconditionally.  Be
    sure to always use a space after the '%SOURCEFLAG%' transform.
    Drop obsolete comments.
    * t/: Make those *.sh and *.tap tests that are only present for
    Automake-NG and not mainline Automake non-executable (as it has
    already been done for the tests in mainline Automake).

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