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      1 # =============================================================================
      2 #  https://www.gnu.org/software/autoconf-archive/ax_cxx_compile_stdcxx_11.html
      3 # =============================================================================
      4 #
      5 # SYNOPSIS
      6 #
      7 #   AX_CXX_COMPILE_STDCXX_11([ext|noext], [mandatory|optional])
      8 #
      9 # DESCRIPTION
     10 #
     11 #   Check for baseline language coverage in the compiler for the C++11
     12 #   standard; if necessary, add switches to CXX and CXXCPP to enable
     13 #   support.
     14 #
     15 #   This macro is a convenience alias for calling the AX_CXX_COMPILE_STDCXX
     16 #   macro with the version set to C++11.  The two optional arguments are
     17 #   forwarded literally as the second and third argument respectively.
     18 #   Please see the documentation for the AX_CXX_COMPILE_STDCXX macro for
     19 #   more information.  If you want to use this macro, you also need to
     20 #   download the ax_cxx_compile_stdcxx.m4 file.
     21 #
     22 # LICENSE
     23 #
     24 #   Copyright (c) 2008 Benjamin Kosnik <bkoz (a] redhat.com>
     25 #   Copyright (c) 2012 Zack Weinberg <zackw (a] panix.com>
     26 #   Copyright (c) 2013 Roy Stogner <roystgnr (a] ices.utexas.edu>
     27 #   Copyright (c) 2014, 2015 Google Inc.; contributed by Alexey Sokolov <sokolov (a] google.com>
     28 #   Copyright (c) 2015 Paul Norman <penorman (a] mac.com>
     29 #   Copyright (c) 2015 Moritz Klammler <moritz (a] klammler.eu>
     30 #
     31 #   Copying and distribution of this file, with or without modification, are
     32 #   permitted in any medium without royalty provided the copyright notice
     33 #   and this notice are preserved. This file is offered as-is, without any
     34 #   warranty.
     35 
     36 #serial 18
     37 
     38 AX_REQUIRE_DEFINED([AX_CXX_COMPILE_STDCXX])
     39 AC_DEFUN([AX_CXX_COMPILE_STDCXX_11], [AX_CXX_COMPILE_STDCXX([11], [$1], [$2])])
     40