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Viewing changes to m4source/ax_cxx_gcc_abi_demangle.m4

  • Committer: Bazaar Package Importer
  • Author(s): Martin A. Godisch
  • Date: 2004-06-26 09:43:57 UTC
  • Revision ID: james.westby@ubuntu.com-20040626094357-3be3jwcz1vcdhpe8
Tags: upstream-20040616
Import upstream version 20040616

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m4source/ax_cxx_gcc_abi_demangle.m4
 
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dnl Available from the GNU Autoconf Macro Archive at:
 
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dnl http://www.gnu.org/software/ac-archive/htmldoc/ax_cxx_gcc_abi_demangle.html
 
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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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])