fix macOS Travis CI

.travis.yml

@@ -8,7 +8,7 @@ matrix:
   include:
     - os: osx
       compiler: clang
-      osx_image: xcode8
+      osx_image: xcode9.4
     - os: linux
       compiler: g++
 

.travis_macos.sh

@@ -10,23 +10,31 @@ fi
 
 brew update > /dev/null
 
-# Use Qt5.9.3 instead of 5.10
-cd /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core/Formula
-git checkout 13d52537d1e0e5f913de4639012 qt.rb
-sed -i '' 's/:mysql/"mysql"/' qt.rb
-sed -i '' 's/:postgresql/"postgresql"/' qt.rb
-cat qt.rb
-brew install qt
+brew install gnu-getopt
+export PATH="/usr/local/opt/gnu-getopt/bin:$PATH"
 
-QTDIR="/usr/local/opt/qt"
-PATH="$QTDIR/bin:$PATH"
+# Download Qt from Qt Installer
+cd ${project_dir}
+mkdir build
+cd build
+
+export VERBOSE=1
+export QT_CI_PACKAGES="qt.qt5.597.clang_64,qt.qt5.597.qtwebengine"
+
+git clone https://github.com/tamlok/qtci.git
+source qtci/path.env
+
+install-qt 5.9.7
+source qt-5.9.7.env
+
+echo $PATH
+
+QTDIR="${project_dir}/build/Qt/5.9.7/clang_64"
 LDFLAGS=-L$QTDIR/lib
 CPPFLAGS=-I$QTDIR/include
 
 # Build your app
-cd ${project_dir}
-mkdir build
-cd build
+cd ${project_dir}/build
 qmake -v
 qmake CONFIG-=debug CONFIG+=release ../VNote.pro
 make -j2