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

   1 # vim:ft=m4
   2 # ===========================================================================
   3 #     http://tangent.org/
   4 # ===========================================================================
   5 #
   6 # SYNOPSIS
   7 #
   8 #   AX_CXX_CINTTYPES
   9 #
  10 # DESCRIPTION
  11 #
  12 #  Example:
  13 #
  14 # LICENSE
  15 #
  16 #   Copyright (c) 2012 Brian Aker` <brian@tangent.org>
  17 #
  18 #   This program is free software: you can redistribute it and/or modify it
  19 #   under the terms of the GNU General Public License as published by the
  20 #   Free Software Foundation, either version 3 of the License, or (at your
  21 #   option) any later version.
  22 #
  23 #   This program is distributed in the hope that it will be useful, but
  24 #   WITHOUT ANY WARRANTY; without even the implied warranty of
  25 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
  26 #   Public License for more details.
  27 #
  28 #   You should have received a copy of the GNU General Public License along
  29 #   with this program. If not, see <http://www.gnu.org/licenses/>.
  30 #
  31 #   As a special exception, the respective Autoconf Macro's copyright owner
  32 #   gives unlimited permission to copy, distribute and modify the configure
  33 #   scripts that are the output of Autoconf when processing the Macro. You
  34 #   need not follow the terms of the GNU General Public License when using
  35 #   or distributing such scripts, even though portions of the text of the
  36 #   Macro appear in them. The GNU General Public License (GPL) does govern
  37 #   all other use of the material that constitutes the Autoconf Macro.
  38 #
  39 #   This special exception to the GPL applies to versions of the Autoconf
  40 #   Macro released by the Autoconf Archive. When you make and distribute a
  41 #   modified version of the Autoconf Macro, you may extend this special
  42 #   exception to the GPL to apply to your modified version as well.
  43
  44 #serial 1
  45
  46
  47 AC_DEFUN([AX_CXX_CINTTYPES],
  48     [
  49     AC_REQUIRE([AC_PROG_CXX])
  50     AC_REQUIRE([AC_PROG_CXXCPP])
  51     AC_REQUIRE([AX_CXX_CSTDINT])
  52     AC_MSG_CHECKING(the location of cinttypes)
  53     save_CXXFLAGS="${CXXFLAGS}"
  54     CXXFLAGS="${CXX_STANDARD} ${CXXFLAGS}"
  55     ac_cv_cxx_cinttypes=""
  56
  57     AC_LANG_PUSH([C++])
  58 #    AC_CACHE_CHECK([for location of cinttypes], [ac_cv_cxx_cinttypes],
  59 #      [
  60 # Look for cinttypes
  61       AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <cinttypes>], [ uint32_t foo= UINT32_C(1) ])],
  62         [ac_cv_cxx_cinttypes="<cinttypes>"],
  63         [
  64 # Look for tr1/cinttypes
  65         AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <tr1/cinttypes>], [ uint32_t foo= UINT32_C(1) ])],
  66           [ac_cv_cxx_cinttypes="<tr1/cinttypes>"],
  67           [
  68 # Look for boost/cinttypes.hpp
  69           AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <boost/cinttypes.hpp>], [ uint32_t foo= UINT32_C(1) ])],
  70             [ac_cv_cxx_cinttypes="<boost/cinttypes.hpp>"])
  71           ])
  72         ])
  73 #      ])
  74   AC_LANG_POP()
  75
  76   CXXFLAGS="${save_CXXFLAGS}"
  77   if test -n "$ac_cv_cxx_cinttypes"; then
  78     AC_MSG_RESULT([$ac_cv_cxx_cinttypes])
  79   else
  80     ac_cv_cxx_cinttypes="<inttypes.h>"
  81     AC_MSG_WARN([Could not find a cinttypes header.])
  82     AC_MSG_RESULT([$ac_cv_cxx_cinttypes])
  83   fi
  84
  85   AC_DEFINE([__STDC_LIMIT_MACROS],[1],[Use STDC Limit Macros in C++])
  86   AC_DEFINE_UNQUOTED(CINTTYPES_H,$ac_cv_cxx_cinttypes, [the location of <cinttypes>])
  87   ])