description of this bug. */
#undef DEAL_II_TEMPL_CONST_MEM_PTR_BUG
+/* Define if we have to work around a bug with some compilers that will not
+ allow us to specify a fully specialized class of a template as a friend.
+ See the aclocal.m4 file in the top-level directory for a description of
+ this bug. */
+#undef DEAL_II_TEMPL_SPEC_FRIEND_BUG
+
+/* Define if the compiler provides a <errno.g> header file which does not
+ define all error codes such as EINTR. In that case, use the system include
+ file at /usr/include instead. There is probably a better way to do this,
+ but it is not apparent by looking at the C/C++ compatibility header
+ provided by the compiler. */
+#undef DEAL_II_USE_DIRECT_ERRNO_H
+
/* Flag indicating whether the library shall be compiled for multithreaded
applications */
#undef DEAL_II_USE_MT