source: git/m4/ax_cxx_gcc_abi_demangle.m4 @ 5416d1

spielwiese
Last change on this file since 5416d1 was 317c14, checked in by Hans Schoenemann <hannes@…>, 17 months ago
AC_LANG_CPLUSPLUS -> AC_LANG([C++])
  • Property mode set to 100644
File size: 1.5 KB
Line 
1# ============================================================================
2#  https://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 10
27
28AC_DEFUN([AX_CXX_GCC_ABI_DEMANGLE],
29[AC_CACHE_CHECK(whether the compiler supports GCC C++ ABI name demangling,
30ax_cv_cxx_gcc_abi_demangle,
31[AC_LANG_PUSH([C++])
32 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <typeinfo>
33#include <cxxabi.h>
34#include <string>
35
36template<typename TYPE>
37class A {};
38]], [[A<int> instance;
39int status = 0;
40char* c_name = 0;
41
42c_name = abi::__cxa_demangle(typeid(instance).name(), 0, 0, &status);
43
44std::string name(c_name);
45free(c_name);
46
47return name == "A<int>";
48]])],
49 [ax_cv_cxx_gcc_abi_demangle=yes], [ax_cv_cxx_gcc_abi_demangle=no])
50 AC_LANG_POP([C++])
51])
52if test "$ax_cv_cxx_gcc_abi_demangle" = yes; then
53  AC_DEFINE(HAVE_GCC_ABI_DEMANGLE,1,
54            [define if the compiler supports GCC C++ ABI name demangling])
55fi
56])
57
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