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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_SAVE
  32  AC_LANG_CPLUSPLUS
  33  AC_TRY_COMPILE([#include <typeinfo>
  34 #include <cxxabi.h>
  35 #include <cstdlib>
  36 #include <string>
  37
  38 template<typename TYPE>
  39 class A {};
  40 ],[A<int> instance;
  41 int status = 0;
  42 char* c_name = 0;
  43
  44 c_name = abi::__cxa_demangle(typeid(instance).name(), 0, 0, &status);
  45
  46 std::string name(c_name);
  47 ::free(c_name);
  48
  49 return name == "A<int>";
  50 ],
  51  ax_cv_cxx_gcc_abi_demangle=yes, ax_cv_cxx_gcc_abi_demangle=no)
  52  AC_LANG_RESTORE
  53 ])
  54 if test "$ax_cv_cxx_gcc_abi_demangle" = yes; then
  55   AC_DEFINE(HAVE_GCC_ABI_DEMANGLE,1,
  56             [define if the compiler supports GCC C++ ABI name demangling])
  57 fi
  58 ])