AC_MSG_ERROR([missing header <uuid/uuid.> from libuuid required for TimeMachine]))
dnl --------------------- last minute substitutions
-dnl Request SUSv4 standard interfaces
-CFLAGS="$CFLAGS -D_XOPEN_SOURCE=700"
+dnl Request SUSv3 standard interfaces
+CFLAGS="$CFLAGS -D_XOPEN_SOURCE=600 -D__EXTENSIONS__"
AC_SUBST(LIBS)
AC_SUBST(CFLAGS)
AC_SUBST(OVERWRITE_CONFIG)