m4: ax_assert
[awesomized/libmemcached] / 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=$enableval],
56 [ax_enable_assert=$ac_cv_vcs_checkout])
57
58 AS_IF([ test "$ax_enable_assert" = "yes" -o "$ax_enable_debug" = "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