+
+ if test "$ac_cv_header_cxxabi_h" = "yes"; then
+ AC_CACHE_CHECK([for abi::__forced_unwind() in <cxxabi.h>],
+ wx_cv_type_abi_forced_unwind,
+ [
+ AC_LANG_PUSH(C++)
+ AC_TRY_COMPILE([#include <cxxabi.h>],
+ [
+ void foo(abi::__forced_unwind&);
+ ],
+ wx_cv_type_abi_forced_unwind=yes,
+ wx_cv_type_abi_forced_unwind=no
+ )
+ AC_LANG_POP()
+ ]
+ )
+ else
+ wx_cv_type_abi_forced_unwind=no
+ fi
+
+ if test "$wx_cv_type_abi_forced_unwind" = "yes"; then
+ AC_DEFINE(HAVE_ABI_FORCEDUNWIND)
+ fi