git.m6w6.name Git - m6w6/libmemcached/blob - m4/ax_assert.m4

   1 # ===========================================================================
   2 #      https://github.com/BrianAker/ddm4/
   3 # ===========================================================================
   4 #
   5 # SYNOPSIS
   6 #
   7 #   AX_ASSERT()
   8 #
   9 # DESCRIPTION
  10 #
  11 #   --enable-assert
  12 #
  13 # LICENSE
  14 #
  15 #  Copyright (C) 2012 Brian Aker
  16 #  All rights reserved.
  17 #
  18 #  Redistribution and use in source and binary forms, with or without
  19 #  modification, are permitted provided that the following conditions are
  20 #  met:
  21 #
  22 #      * Redistributions of source code must retain the above copyright
  23 #  notice, this list of conditions and the following disclaimer.
  24 #
  25 #      * Redistributions in binary form must reproduce the above
  26 #  copyright notice, this list of conditions and the following disclaimer
  27 #  in the documentation and/or other materials provided with the
  28 #  distribution.
  29 #
  30 #      * The names of its contributors may not be used to endorse or
  31 #  promote products derived from this software without specific prior
  32 #  written permission.
  33 #
  34 #  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  35 #  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  36 #  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  37 #  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  38 #  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  39 #  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  40 #  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  41 #  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  42 #  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  43 #  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  44 #  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  45
  46 #serial 6
  47
  48 AC_DEFUN([AX_ASSERT],
  49     [AC_PREREQ([2.63])dnl
  50     AC_REQUIRE([AX_DEBUG])
  51     AC_REQUIRE([AX_VCS_CHECKOUT])
  52     AC_ARG_ENABLE([assert],
  53       [AS_HELP_STRING([--enable-assert],
  54         [Enable assert, this will be overridden by --enable-debug (yes|no) @<:@default=no@:>@])],
  55       [ax_enable_assert=yes],
  56       [ax_enable_assert=no])
  57
  58     AS_IF([ test "$ax_enable_assert" = "yes" -o "$ax_enable_debug" = "yes" -o "$ac_cv_vcs_checkout" = "yes" ],
  59       [ax_enable_assert="yes"],
  60       [ax_enable_assert="no"
  61       AC_DEFINE(NDEBUG,[1],[Define to 1 to disable assert'ing code.])])
  62
  63     AC_MSG_CHECKING([for assert])
  64     AC_MSG_RESULT([$ax_enable_assert])
  65     ])
  66