back.cxxrtl: actualize Yosys version requirement.

diff --git a/nmigen/back/cxxrtl.py b/nmigen/back/cxxrtl.py
index f7c18ec9fd63d2d5749533b57c5105bfda1c8df3..809a136e0f7cc72306483fb722de07d7dab2b6ba 100644 (file)
--- a/nmigen/back/cxxrtl.py
+++ b/nmigen/back/cxxrtl.py
@@ -18,8 +18,7 @@ def _convert_rtlil_text(rtlil_text, black_boxes, *, src_loc_at=0):
                 raise TypeError("CXXRTL black box source code must be a string, not {!r}"
                                 .format(box_source))
 
-     # FIXME: update this requirement once Yosys updates its node version
-    yosys = find_yosys(lambda ver: ver >= (0, 9))
+    yosys = find_yosys(lambda ver: ver >= (0, 9, 3468))
 
     script = []
     if black_boxes is not None: