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-rw-r--r--README.md9
1 files changed, 8 insertions, 1 deletions
diff --git a/README.md b/README.md
index 0a81d8bb9..1e486c3ac 100644
--- a/README.md
+++ b/README.md
@@ -118,6 +118,13 @@ Tests are located in the tests subdirectory and can be executed using the test t
$ make test
+To use a separate (out-of-tree) build directory, provide a path to the Makefile.
+
+ $ mkdir build; cd build
+ $ make -f ../Makefile
+
+Out-of-tree builds require a clean source tree.
+
Getting Started
===============
@@ -388,7 +395,7 @@ Verilog Attributes and non-standard features
- The cell attribute ``wildcard_port_conns`` represents wildcard port
connections (SystemVerilog ``.*``). These are resolved to concrete
- connections to matching wires in ``hierarchy``.
+ connections to matching wires in ``hierarchy``.
- In addition to the ``(* ... *)`` attribute syntax, Yosys supports
the non-standard ``{* ... *}`` attribute syntax to set default attributes