travis-ci: macOS changes:

(1) updated to a newer macOS image (2) switch to use the Homebrew addon instead of command line

travis-ci: macOS changes:
(1) updated to a newer macOS image (2) switch to use the Homebrew addon instead of command line
a693af9f · Baruch Sterin · f4339310 · a693af9f
Commit a693af9f authored Feb 24, 2020 by Baruch Sterin
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.travis.yml
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--- a/.travis.yml
+++ b/.travis.yml
@@ -19,10 +19,11 @@ matrix:
        DEMO_ARGS: -DABC_NAMESPACE=xxx
    - os: osx
-      osx_image: xcode8
+      osx_image: xcode10
-      before_install:
+      addons:
-        - brew update
+        homebrew:
-        - brew install readline
+          packages:
+            - readline
 script: