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author | Sean Cross <sean@xobs.io> | 2019-09-17 11:33:39 +0800 |
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committer | Sean Cross <sean@xobs.io> | 2019-09-17 11:33:39 +0800 |
commit | 7cda79f9b70c23b90a21f4a96af0c42bb15b3a66 (patch) | |
tree | e883e7f44e20987465bf4fa9bb0b93773681cf7d | |
parent | 96130efc3480cff0bae5d2ac0323372963b487d8 (diff) | |
download | nextpnr-7cda79f9b70c23b90a21f4a96af0c42bb15b3a66.tar.gz nextpnr-7cda79f9b70c23b90a21f4a96af0c42bb15b3a66.tar.bz2 nextpnr-7cda79f9b70c23b90a21f4a96af0c42bb15b3a66.zip |
README: document PREGENERATED_BBA_PATH
Signed-off-by: Sean Cross <sean@xobs.io>
-rw-r--r-- | README.md | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -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 -------------------- |