kc3-lang/automake/m4/options.m4

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• Hash : 6e3c0b92
  Author :
  Date : 2012-07-14T18:49:25
  

  m4: get rid of "# serial" lines
  
  The "#serial" lines are only considered by aclocal for the system-wide
  third-party '.m4' files, not for the Automake-provided ones.  So they
  serve no real purpose in the Automake '.m4' files.
  
  In addition, now that we use git and topic branches, and that we are also
  writing the Automake-NG fork, the "#serial" lines are becoming more and
  more unreliable (e.g., different version of the same file in different
  branches can easily end up having the same serial numbers).
  
  So let's just nuke all the "#serial" lines.  See also automake bug#11932.
  
  * m4/*.m4: All "# serial" lines removed.
  
  Signed-off-by: Stefano Lattarini <stefano.lattarini@gmail.com>
  

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• m4/options.m4

• # Helper functions for option handling.                     -*- Autoconf -*-
  
  # Copyright (C) 2001-2012 Free Software Foundation, Inc.
  #
  # This file is free software; the Free Software Foundation
  # gives unlimited permission to copy and/or distribute it,
  # with or without modifications, as long as this notice is preserved.
  
  # _AM_MANGLE_OPTION(NAME)
  # -----------------------
  AC_DEFUN([_AM_MANGLE_OPTION],
  [[_AM_OPTION_]m4_bpatsubst($1, [[^a-zA-Z0-9_]], [_])])
  
  # _AM_SET_OPTION(NAME)
  # --------------------
  # Set option NAME.  Presently that only means defining a flag for this option.
  AC_DEFUN([_AM_SET_OPTION],
  [m4_define(_AM_MANGLE_OPTION([$1]), [1])])
  
  # _AM_SET_OPTIONS(OPTIONS)
  # ------------------------
  # OPTIONS is a space-separated list of Automake options.
  AC_DEFUN([_AM_SET_OPTIONS],
  [m4_foreach_w([_AM_Option], [$1], [_AM_SET_OPTION(_AM_Option)])])
  
  # _AM_IF_OPTION(OPTION, IF-SET, [IF-NOT-SET])
  # -------------------------------------------
  # Execute IF-SET if OPTION is set, IF-NOT-SET otherwise.
  AC_DEFUN([_AM_IF_OPTION],
  [m4_ifset(_AM_MANGLE_OPTION([$1]), [$2], [$3])])
  

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