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   1 # ===========================================================================
   2 #  http://www.gnu.org/software/autoconf-archive/ax_cxx_gcc_abi_demangle.html
   3 # ===========================================================================
   4 #
   5 # SYNOPSIS
   6 #
   7 #   AX_CXX_GCC_ABI_DEMANGLE
   8 #
   9 # DESCRIPTION
  10 #
  11 #   If the compiler supports GCC C++ ABI name demangling (has header
  12 #   cxxabi.h and abi::__cxa_demangle() function), define
  13 #   HAVE_GCC_ABI_DEMANGLE
  14 #
  15 #   Adapted from AX_CXX_RTTI by Luc Maisonobe
  16 #
  17 # LICENSE
  18 #
  19 #   Copyright (c) 2012 Brian Aker <brian@tangent.org>
  20 #   Copyright (c) 2008 Neil Ferguson <nferguso@eso.org>
  21 #
  22 #   Copying and distribution of this file, with or without modification, are
  23 #   permitted in any medium without royalty provided the copyright notice
  24 #   and this notice are preserved. This file is offered as-is, without any
  25 #   warranty.
  26
  27 #serial 9
  28
  29 AC_DEFUN([AX_CXX_GCC_ABI_DEMANGLE],
  30     [AC_CACHE_CHECK([whether the compiler supports GCC C++ ABI name demangling],
  31       [ax_cv_cxx_gcc_abi_demangle],
  32       [AC_LANG_PUSH([C++])
  33       AC_RUN_IFELSE([AC_LANG_PROGRAM([#include <typeinfo>
  34 #include <cxxabi.h>
  35 #include <cstdlib>
  36 #include <string>],
  37           [template<typename TYPE>
  38           class A {};
  39           ],[A<int> instance;
  40           int status = 0;
  41           char* c_name = abi::__cxa_demangle(typeid(instance).name(), 0, 0, &status);
  42
  43           std::string name(c_name);
  44           ::free(c_name);
  45
  46           return name == "A<int>";
  47           ])],[ax_cv_cxx_gcc_abi_demangle=yes],
  48           [ax_cv_cxx_gcc_abi_demangle=no],
  49           [ax_cv_cxx_gcc_abi_demangle=no])
  50       AC_LANG_POP])
  51   AS_IF([test "x$ax_cv_cxx_gcc_abi_demangle" = xyes],
  52       [AC_DEFINE([HAVE_GCC_ABI_DEMANGLE],[1],[define if the compiler supports GCC C++ ABI name demangling])])
  53   ])