1 | # ============================================================================ |
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2 | # https://www.gnu.org/software/autoconf-archive/ax_cxx_gcc_abi_demangle.html |
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3 | # ============================================================================ |
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4 | # |
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5 | # SYNOPSIS |
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6 | # |
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7 | # AX_CXX_GCC_ABI_DEMANGLE |
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8 | # |
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9 | # DESCRIPTION |
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10 | # |
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11 | # If the compiler supports GCC C++ ABI name demangling (has header |
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12 | # cxxabi.h and abi::__cxa_demangle() function), define |
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13 | # HAVE_GCC_ABI_DEMANGLE |
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14 | # |
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15 | # Adapted from AX_CXX_RTTI by Luc Maisonobe |
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16 | # |
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17 | # LICENSE |
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18 | # |
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19 | # Copyright (c) 2008 Neil Ferguson <nferguso@eso.org> |
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20 | # |
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21 | # Copying and distribution of this file, with or without modification, are |
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22 | # permitted in any medium without royalty provided the copyright notice |
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23 | # and this notice are preserved. This file is offered as-is, without any |
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24 | # warranty. |
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25 | |
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26 | #serial 10 |
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27 | |
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28 | AC_DEFUN([AX_CXX_GCC_ABI_DEMANGLE], |
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29 | [AC_CACHE_CHECK(whether the compiler supports GCC C++ ABI name demangling, |
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30 | ax_cv_cxx_gcc_abi_demangle, |
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31 | [AC_LANG_PUSH([C++]) |
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32 | AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <typeinfo> |
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33 | #include <cxxabi.h> |
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34 | #include <string> |
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35 | |
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36 | template<typename TYPE> |
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37 | class A {}; |
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38 | ]], [[A<int> instance; |
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39 | int status = 0; |
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40 | char* c_name = 0; |
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41 | |
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42 | c_name = abi::__cxa_demangle(typeid(instance).name(), 0, 0, &status); |
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43 | |
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44 | std::string name(c_name); |
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45 | free(c_name); |
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46 | |
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47 | return name == "A<int>"; |
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48 | ]])], |
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49 | [ax_cv_cxx_gcc_abi_demangle=yes], [ax_cv_cxx_gcc_abi_demangle=no]) |
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50 | AC_LANG_POP([C++]) |
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51 | ]) |
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52 | if test "$ax_cv_cxx_gcc_abi_demangle" = yes; then |
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53 | AC_DEFINE(HAVE_GCC_ABI_DEMANGLE,1, |
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54 | [define if the compiler supports GCC C++ ABI name demangling]) |
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55 | fi |
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56 | ]) |
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57 | |
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