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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) 2008 Neil Ferguson <nferguso@eso.org>
  20 #
  21 #   Copying and distribution of this file, with or without modification, are
  22 #   permitted in any medium without royalty provided the copyright notice
  23 #   and this notice are preserved. This file is offered as-is, without any
  24 #   warranty.
  25
  26 #serial 9
  27
  28   AC_DEFUN([AX_CXX_GCC_ABI_DEMANGLE],
  29       [AC_CACHE_CHECK([whether the compiler supports GCC C++ ABI name demangling],
  30         [ax_cv_cxx_gcc_abi_demangle],
  31         [AC_LANG_PUSH([C++])
  32         AC_COMPILE_IFELSE(
  33           [AC_LANG_PROGRAM(
  34             [
  35 #include <typeinfo>
  36 #include <cxxabi.h>
  37 #include <cstdlib>
  38 #include <string>
  39
  40 template<typename TYPE> class A {};
  41             ],[
  42 A<int> instance;
  43 int status = 0;
  44 char* c_name = 0;
  45
  46 c_name = abi::__cxa_demangle(typeid(instance).name(), 0, 0, &status);
  47 std::string name(c_name);
  48 ::free(c_name);
  49 return name == "A<int>";
  50             ])],
  51           [ax_cv_cxx_gcc_abi_demangle=yes],
  52           [ax_cv_cxx_gcc_abi_demangle=no])
  53         AC_LANG_POP()
  54         ])
  55
  56         if test "$ax_cv_cxx_gcc_abi_demangle" = yes; then
  57           AC_DEFINE(HAVE_GCC_ABI_DEMANGLE, [1], [define if the compiler supports GCC C++ ABI name demangling])
  58         fi
  59       ])