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# ===========================================================================
# http://www.nongnu.org/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.
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_SAVE
AC_LANG_CPLUSPLUS
AC_TRY_COMPILE([#include <typeinfo>
#include <cxxabi.h>
#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_RESTORE
])
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
])
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