more ci updates

.ci/install.sh

@@ -38,11 +38,12 @@ if [ "$TRAVIS_OS_NAME" == "linux" ]; then
     ./configure && make && make check && sudo make install
     popd
 
+    sudo add-apt-repository -y ppa:beineri/opt-qt${QT_VERSION}-trusty
     sudo apt-get update -qq
     sudo apt-get install -qq -y \
-        qtbase5-dev \
-        qttools5-dev \
-        libqt5svg5-dev \
-        qtmultimedia5-dev \
+        qt${QT_PKG}base \
+        qt${QT_PKG}tools \
+        qt${QT_PKG}svg \
+        qt${QT_PKG}multimedia \
         liblmdb-dev
 fi
\ No newline at end of file

.ci/script.sh

@@ -13,10 +13,6 @@ if [ "$TRAVIS_OS_NAME" == "linux" ]; then
     sudo update-alternatives --set g++ "/usr/bin/${CXX_COMPILER}"
 fi
 
-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

.travis.yml

 language: cpp
 sudo: required
-dist: bionic
+dist: trusty
 
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