微處理器 - Lattice iCE40LP1K-CM36 (iCESugar-nano) - 解決No such file or directory: /usr/local/share/icebox/timings_hx1k.txt問題

問題如下：

[  7%] Generating chipdb-1k.bba
Traceback (most recent call last):
  File "/home/user/Downloads/nextpnr/ice40/chipdb.py", line 251, in 
    fast_timings = read_timings(args.fast)
                   ^^^^^^^^^^^^^^^^^^^^^^^
  File "/home/user/Downloads/nextpnr/ice40/chipdb.py", line 233, in read_timings
    with open(filename) as f:
         ^^^^^^^^^^^^^^
FileNotFoundError: [Errno 2] No such file or directory: '/usr/local/share/icebox/timings_hx1k.txt'
make[2]: *** [ice40/CMakeFiles/nextpnr-ice40-chipdb.dir/build.make:107: ice40/chipdb-1k.bba] Error 1
make[1]: *** [CMakeFiles/Makefile2:628: ice40/CMakeFiles/nextpnr-ice40-chipdb.dir/all] Error 2
make: *** [Makefile:136: all] Error 2

解法如下：

$ cd
$ git clone https://github.com/YosysHQ/icestorm
$ cd icestorm
$ make -j4
$ sudo make install