Add before_install and install libhidapi libraries to .travis.yml

dounokouno · dounokouno · commit 37ed6ff2ea5d · 2020-05-06T20:46:02.000+09:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,5 @@
 language: ruby
 rvm:
   - 2.1.5
+before_install:
+  - sudo apt-get -y install libhidapi-dev libhidapi-hidraw0 libhidapi-libusb0
