+dnl enable libcore debugging support
+dnl --------------------------------
+AC_ARG_ENABLE(libcore,
+[ --enable-libcore enable libcore debugging],
+[if test "$enableval"=yes; then
+ AC_DEFINE(WITH_LIBCORE)
+fi])
+AC_SUBST(enable_libcore)
+
+dnl enable wchar_t support for identifiers
+dnl --------------------------------
+AC_ARG_ENABLE(wchar_support,
+[ --enable-wchar-support enable wchar_t support for identifiers (needed for java)],
+[if test "$enableval"=yes; then
+ AC_DEFINE(FIRM_ENABLE_WCHAR)
+fi])
+AC_SUBST(enable_wchar_support)
+
+