From 7cda79f9b70c23b90a21f4a96af0c42bb15b3a66 Mon Sep 17 00:00:00 2001 From: Sean Cross Date: Tue, 17 Sep 2019 11:33:39 +0800 Subject: README: document PREGENERATED_BBA_PATH Signed-off-by: Sean Cross --- README.md | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'README.md') diff --git a/README.md b/README.md index 10e3bdef..efbc6bb0 100644 --- a/README.md +++ b/README.md @@ -155,6 +155,10 @@ The HeAP placer's solver can optionally use OpenMP for a speedup on very large d You can change the location where nextpnr will be installed (this will usually default to `/usr/local`) by using `-DCMAKE_INSTALL_PREFIX=/install/prefix`. +It is possible to pre-generate `.bba` files. This can come in handy when building on time-constrained cloud +instances, or in situations where python is unable to use modules. To do this, specify the path to pre- +generated `.bba` files by passing `-DPREGENERATED_BBA_PATH=` to cmake. + Notes for developers -------------------- -- cgit v1.2.3