diff options
Diffstat (limited to 'm4/ax_cxx_gcc_abi_demangle.m4')
| -rw-r--r-- | m4/ax_cxx_gcc_abi_demangle.m4 | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/m4/ax_cxx_gcc_abi_demangle.m4 b/m4/ax_cxx_gcc_abi_demangle.m4 new file mode 100644 index 0000000..bc71cee --- /dev/null +++ b/m4/ax_cxx_gcc_abi_demangle.m4 @@ -0,0 +1,54 @@ +# =========================================================================== +# http://autoconf-archive.cryp.to/ax_cxx_gcc_abi_demangle.html +# =========================================================================== +# +# SYNOPSIS +# +# AX_CXX_GCC_ABI_DEMANGLE +# +# DESCRIPTION +# +# If the compiler supports GCC C++ ABI name demangling (has header +# cxxabi.h and abi::__cxa_demangle() function), define +# HAVE_GCC_ABI_DEMANGLE +# +# Adapted from AC_CXX_RTTI by Luc Maisonobe +# +# LICENSE +# +# Copyright (c) 2008 Neil Ferguson <nferguso@eso.org> +# +# Copying and distribution of this file, with or without modification, are +# permitted in any medium without royalty provided the copyright notice +# and this notice are preserved. + +AC_DEFUN([AX_CXX_GCC_ABI_DEMANGLE], +[AC_CACHE_CHECK(whether the compiler supports GCC C++ ABI name demangling, +ac_cv_cxx_gcc_abi_demangle, +[AC_LANG_SAVE + AC_LANG_CPLUSPLUS + AC_TRY_COMPILE([#include <typeinfo> +#include <cxxabi.h> +#include <string> + +template<typename TYPE> +class A {}; +],[A<int> instance; +int status = 0; +char* c_name = 0; + +c_name = abi::__cxa_demangle(typeid(instance).name(), 0, 0, &status); + +std::string name(c_name); +free(c_name); + +return name == "A<int>"; +], + ac_cv_cxx_gcc_abi_demangle=yes, ac_cv_cxx_gcc_abi_demangle=no) + AC_LANG_RESTORE +]) +if test "$ac_cv_cxx_gcc_abi_demangle" = yes; then + AC_DEFINE(HAVE_GCC_ABI_DEMANGLE,1, + [define if the compiler supports GCC C++ ABI name demangling]) +fi +]) |