当我尝试安装websocket-driver-0.7.3 gem时，我在CMD上收到此消息：
Fetching websocket-driver 0.7.3
Installing websocket-driver 0.7.3 with native extensions
Gem::Ext::BuildError: ERROR: Failed to build gem native extension.
current directory:
C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/websocket-driver-0.7.3/ext/websocket-driver
C:/Ruby27-x64/bin/ruby.exe -I C:/Ruby27-x64/lib/ruby/2.7.0 -r
./siteconf20201109-15264-1prb1qx.rb extconf.rb
creating Makefile
current directory:
C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/websocket-driver-0.7.3/ext/websocket-driver
make "DESTDIR=" clean
current directory:
C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/websocket-driver-0.7.3/ext/websocket-driver
make "DESTDIR="
make failedNo such file or directory - make "DESTDIR="
Gem files will remain installed in
C:/Ruby27-x64/lib/ruby/gems/2.7.0/gems/websocket-driver-0.7.3 for inspection.
Results logged to
C:/Ruby27-x64/lib/ruby/gems/2.7.0/extensions/x64-mingw32/2.7.0/websocket-driver-0.7.3/gem_make.out
我正在使用ruby 2.7.0。请帮忙！