41 lines
1.1 KiB
Plaintext
41 lines
1.1 KiB
Plaintext
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dnl @synopsis AX_CXX_GCC_ABI_DEMANGLE
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dnl
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dnl If the compiler supports GCC C++ ABI name demangling (has header cxxabi.h
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dnl and abi::__cxa_demangle() function), define HAVE_GCC_ABI_DEMANGLE
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dnl
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dnl Adapted from AC_CXX_RTTI by Luc Maisonobe
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dnl
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dnl @version $Id: ax_cxx_gcc_abi_demangle.m4,v 1.1 2004/02/18 20:45:36 blep Exp $
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dnl @author Neil Ferguson <nferguso@eso.org>
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dnl
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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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ac_cv_cxx_gcc_abi_demangle,
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[AC_LANG_SAVE
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AC_LANG_CPLUSPLUS
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AC_TRY_COMPILE([#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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ac_cv_cxx_gcc_abi_demangle=yes, ac_cv_cxx_gcc_abi_demangle=no)
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AC_LANG_RESTORE
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])
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if test "$ac_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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