change travis to an older version of XCode/MacOS but rather stable
@@ -64,7 +64,7 @@ matrix:
- zip
- qt5-default
- os: osx
- osx_image: xcode11.2 # we target latest MacOS Mojave
+ osx_image: xcode9.4.1 # we target latest MacOS Mojave
sudo: true
compiler: gcc-6 # Use clang instead of gcc in MacOS
addons:
