From e79e97225557300dec5615a1575b3f3ea9a2c65d Mon Sep 17 00:00:00 2001
From: "Yukihiro \"Matz\" Matsumoto" <matz@ruby.or.jp>
Date: Mon, 27 Apr 2020 12:21:35 +0900
Subject: Update `.travis.yml` to support newer `bison` on MacOS.

If it doesn't work, I will revert the last update to `parse.y`.
---
 .travis.yml | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index fde7f7525..acf1fc7f6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,11 +3,17 @@ language: c
 sudo: false
 
 matrix:
-  include:
-    - os: linux
-      sudo: false
-    - os: osx
-      osx_image: xcode7.1
+  - os: linux
+    sudo: false
+  - os: osx
+    osx_image: xcode10.3
+    addons:
+      homebrew:
+        update: true
+        packages:
+          - flex
+          - gperf
+          - bison
 
 env:
   - MRUBY_CONFIG=travis_config.rb
-- 
cgit v1.2.3