Fix macOs ci

.ci/script.sh

@@ -7,6 +7,10 @@ if [ $TRAVIS_OS_NAME == linux ]; then
     source /opt/qt${QT_PKG}/bin/qt${QT_PKG}-env.sh || true;
 fi
 
+if [ $TRAVIS_OS_NAME == osx ]; then
+    export CMAKE_PREFIX_PATH=/usr/local/opt/qt5
+fi
+
 make ci
 
 if [ $TRAVIS_OS_NAME == osx ]; then