git.m6w6.name Git - awesomized/libmemcached/blob - m4/have_cinttypes.m4

   1 # ===========================================================================
   2 #     http://tangent.org/
   3 # ===========================================================================
   4 #
   5 # SYNOPSIS
   6 #
   7 #   AX_CXX_CINTTYPES()
   8 #
   9 # DESCRIPTION
  10 #
  11 #  Example:
  12 #
  13 # LICENSE
  14 #
  15 #   Copyright (c) 2012 Brian Aker` <brian@tangent.org>
  16 #
  17 #   This program is free software: you can redistribute it and/or modify it
  18 #   under the terms of the GNU General Public License as published by the
  19 #   Free Software Foundation, either version 3 of the License, or (at your
  20 #   option) any later version.
  21 #
  22 #   This program is distributed in the hope that it will be useful, but
  23 #   WITHOUT ANY WARRANTY; without even the implied warranty of
  24 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
  25 #   Public License for more details.
  26 #
  27 #   You should have received a copy of the GNU General Public License along
  28 #   with this program. If not, see <http://www.gnu.org/licenses/>.
  29 #
  30 #   As a special exception, the respective Autoconf Macro's copyright owner
  31 #   gives unlimited permission to copy, distribute and modify the configure
  32 #   scripts that are the output of Autoconf when processing the Macro. You
  33 #   need not follow the terms of the GNU General Public License when using
  34 #   or distributing such scripts, even though portions of the text of the
  35 #   Macro appear in them. The GNU General Public License (GPL) does govern
  36 #   all other use of the material that constitutes the Autoconf Macro.
  37 #
  38 #   This special exception to the GPL applies to versions of the Autoconf
  39 #   Macro released by the Autoconf Archive. When you make and distribute a
  40 #   modified version of the Autoconf Macro, you may extend this special
  41 #   exception to the GPL to apply to your modified version as well.
  42
  43 #serial 3
  44
  45 AC_DEFUN([AX_CXX_CINTTYPES], [
  46     AC_REQUIRE([AC_PROG_CXX])
  47     AC_REQUIRE([AC_PROG_CXXCPP])
  48     AC_REQUIRE([AX_CXX_CSTDINT])
  49
  50     AC_CACHE_CHECK([for location of cinttypes], [ac_cv_cxx_cinttypes], [
  51       AX_SAVE_FLAGS
  52       CXXFLAGS="${CXX_STANDARD} ${CXXFLAGS}"
  53       AC_LANG_PUSH([C++])
  54
  55       AC_COMPILE_IFELSE([
  56         AC_LANG_PROGRAM([#include <cinttypes>], [
  57           uint32_t foo= UINT32_C(1);
  58           ])],
  59         [ac_cxx_cinttypes_cinttypes="<cinttypes>"])
  60
  61 # Look for tr1/cinttypes
  62       AS_IF([test -z "$ac_cxx_cinttypes_cinttypes"],[
  63             AC_COMPILE_IFELSE([
  64                               AC_LANG_PROGRAM([#include <tr1/cinttypes>], [
  65                                               uint32_t foo= UINT32_C(1);
  66                                               ])],
  67                               [ac_cxx_cinttypes_tr1_cinttypes="<tr1/cinttypes>"])
  68
  69 # Look for boost/cinttypes.hpp
  70             AS_IF([test -z "$ac_cxx_cinttypes_tr1_cinttypes"],[
  71                   AC_COMPILE_IFELSE([
  72                                     AC_LANG_PROGRAM([#include <boost/cinttypes.hpp>], [
  73                                                     uint32_t foo= UINT32_C(1);
  74                                                     ])],
  75                                     [ac_cxx_cinttypes_boost_cinttypes_hpp="<boost/cinttypes.hpp>"])
  76                   ])
  77             ])
  78
  79       AC_LANG_POP
  80       AX_RESTORE_FLAGS
  81
  82       AS_IF([test -n "$ac_cxx_cinttypes_cinttypes"], [ac_cv_cxx_cinttypes=$ac_cxx_cinttypes_cinttypes],
  83           [test -n "$ac_cxx_cinttypes_tr1_cinttypes"], [ac_cv_cxx_cinttypes=$ac_cxx_cinttypes_tr1_cinttypes],
  84           [test -n "$ac_cxx_cinttypes_boost_cinttypes_hpp"], [ac_cv_cxx_cinttypes=$ac_cxx_cinttypes_boost_cinttypes_hpp])
  85   ])
  86
  87   AS_IF([ test -n "$ac_cv_cxx_cinttypes"], [
  88       AC_MSG_RESULT([$ac_cv_cxx_cinttypes])
  89       ],[
  90       ac_cv_cxx_cinttypes="<inttypes.h>"
  91       AC_MSG_WARN([Could not find a cinttypes header.])
  92       AC_MSG_RESULT([$ac_cv_cxx_cinttypes])
  93       ])
  94
  95   AC_DEFINE([__STDC_LIMIT_MACROS],[1],[Use STDC Limit Macros in C++])
  96   AC_DEFINE_UNQUOTED([CINTTYPES_H],[$ac_cv_cxx_cinttypes],[the location of <cinttypes>])
  97   ])