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56 lines
1.5 KiB
Text
56 lines
1.5 KiB
Text
# ============================================================================
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# https://www.gnu.org/software/autoconf-archive/ax_cxx_gcc_abi_demangle.html
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# ============================================================================
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#
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# SYNOPSIS
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#
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# AX_CXX_GCC_ABI_DEMANGLE
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#
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# DESCRIPTION
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#
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# If the compiler supports GCC C++ ABI name demangling (has header
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# cxxabi.h and abi::__cxa_demangle() function), define
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# HAVE_GCC_ABI_DEMANGLE
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#
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# Adapted from AX_CXX_RTTI by Luc Maisonobe
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#
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# LICENSE
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#
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# Copyright (c) 2008 Neil Ferguson <nferguso@eso.org>
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#
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# Copying and distribution of this file, with or without modification, are
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# permitted in any medium without royalty provided the copyright notice
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# and this notice are preserved. This file is offered as-is, without any
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# warranty.
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#serial 10
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AC_DEFUN([AX_CXX_GCC_ABI_DEMANGLE],
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[AC_CACHE_CHECK(whether the compiler supports GCC C++ ABI name demangling,
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ax_cv_cxx_gcc_abi_demangle,
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[AC_LANG_PUSH([C++])
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AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <typeinfo>
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#include <cxxabi.h>
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#include <string>
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template<typename TYPE>
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class A {};
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]], [[A<int> instance;
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int status = 0;
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char* c_name = 0;
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c_name = abi::__cxa_demangle(typeid(instance).name(), 0, 0, &status);
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std::string name(c_name);
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free(c_name);
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return name == "A<int>";
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]])],
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[ax_cv_cxx_gcc_abi_demangle=yes], [ax_cv_cxx_gcc_abi_demangle=no])
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AC_LANG_POP([C++])
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])
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if test "$ax_cv_cxx_gcc_abi_demangle" = yes; then
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AC_DEFINE(HAVE_GCC_ABI_DEMANGLE,1,
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[define if the compiler supports GCC C++ ABI name demangling])
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fi
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])
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