File: ax_cxx_gcc_abi_demangle.m4

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# ===========================================================================
#  http://www.gnu.org/software/autoconf-archive/ax_cxx_gcc_abi_demangle.html
# ===========================================================================
#
# SYNOPSIS
#
#   AX_CXX_GCC_ABI_DEMANGLE
#
# DESCRIPTION
#
#   If the compiler supports GCC C++ ABI name demangling (has header
#   cxxabi.h and abi::__cxa_demangle() function), define
#   HAVE_GCC_ABI_DEMANGLE
#
#   Adapted from AX_CXX_RTTI by Luc Maisonobe
#
# LICENSE
#
#   Copyright (c) 2008 Neil Ferguson <nferguso@eso.org>
#
#   Copying and distribution of this file, with or without modification, are
#   permitted in any medium without royalty provided the copyright notice
#   and this notice are preserved. This file is offered as-is, without any
#   warranty.

#serial 9

  AC_DEFUN([AX_CXX_GCC_ABI_DEMANGLE], 
      [AC_CACHE_CHECK([whether the compiler supports GCC C++ ABI name demangling],
        [ax_cv_cxx_gcc_abi_demangle],
        [AC_LANG_PUSH([C++])
        AC_COMPILE_IFELSE(
          [AC_LANG_PROGRAM(
            [
#include <typeinfo>
#include <cxxabi.h>
#include <cstdlib>
#include <string>

template<typename TYPE> class A {};
            ],[
A<int> instance;
int status = 0;
char* c_name = 0;

c_name = abi::__cxa_demangle(typeid(instance).name(), 0, 0, &status);
std::string name(c_name);
::free(c_name);
return name == "A<int>";
            ])],
          [ax_cv_cxx_gcc_abi_demangle=yes],
          [ax_cv_cxx_gcc_abi_demangle=no])
        AC_LANG_POP()
        ])

        if test "$ax_cv_cxx_gcc_abi_demangle" = yes; then
          AC_DEFINE(HAVE_GCC_ABI_DEMANGLE, [1], [define if the compiler supports GCC C++ ABI name demangling])
        fi
      ])