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   1 # ===========================================================================
   2 # https://github.com/BrianAker/ddm4
   3 # ===========================================================================
   4 #
   5 # SYNOPSIS
   6 #
   7 #   AX_HEX_VERSION(VARIABLE_NAME, VERSION)
   8 #
   9 # DESCRIPTION
  10 #
  11 #   Generate version information in HEX and STRING format.
  12 #
  13 # LICENSE
  14 #
  15 #   Copyright (c) 2012 Brian Aker <brian@tangent.org>
  16 #
  17 #   Copying and distribution of this file, with or without modification, are
  18 #   permitted in any medium without royalty provided the copyright notice
  19 #   and this notice are preserved. This file is offered as-is, without any
  20 #   warranty.
  21
  22 #serial 3
  23
  24 AC_DEFUN([AX_HEX_VERSION],
  25     [AC_PREREQ([2.63])dnl
  26
  27     string_version_$1=`echo $2 | sed 's|[\-a-z0-9]*$||' | awk -F. '{printf "%d.%d.%d", $[]1, $[]2, $[]3}'`
  28     hex_version_$1=`echo $2 | sed 's|[\-a-z0-9]*$||' | awk -F. '{printf "0x%0.2d%0.3d%0.3d", $[]1, $[]2, $[]3}'`
  29
  30     AC_SUBST([$1_VERSION_STRING],["$string_version_$1"])
  31     AC_SUBST([$1_VERSION_HEX],["$hex_version_$1"])
  32     ])
  33