Travis: Add Qt5 job

.travis.yml

@@ -4,6 +4,7 @@ matrix:
     include:
         - env: TARGET_OS=win32
         - env: TARGET_OS=win64
+        - env: QT5=True
         - os: osx
 before_install:
    - sh ${TRAVIS_BUILD_DIR}/.travis/${TRAVIS_OS_NAME}.${TARGET_OS}.before_install.sh

.travis/linux..before_install.sh

@@ -1,2 +1,6 @@
 sudo add-apt-repository ppa:kalakris/cmake -y;
+if [ $QT5 ]
+	then
+	sudo add-apt-repository ppa:ubuntu-sdk-team/ppa -y
+fi
 sudo apt-get update -qq

.travis/linux..install.sh

@@ -1,4 +1,13 @@
-sudo apt-get install -y cmake libqt4-dev libsndfile-dev fftw3-dev libvorbis-dev	\
-	libogg-dev libasound2-dev libjack-dev libsdl-dev libsamplerate0-dev 		\
-	libstk0-dev libfluidsynth-dev portaudio19-dev wine-dev g++-multilib 		\
-	libfltk1.3-dev libgig-dev
+PACKAGES="cmake libsndfile-dev fftw3-dev libvorbis-dev  libogg-dev
+	libasound2-dev libjack-dev libsdl-dev libsamplerate0-dev libstk0-dev
+	libfluidsynth-dev portaudio19-dev wine-dev g++-multilib libfltk1.3-dev
+	libgig-dev"
+
+if [ $QT5 ]
+then
+	PACKAGES="$PACKAGES qtbase5-dev"
+else
+	PACKAGES="$PACKAGES libqt4-dev"
+fi
+
+sudo apt-get install -y $PACKAGES

.travis/linux..script.sh

@@ -1 +1 @@
-cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DUSE_WERROR=ON ..
+cmake -DCMAKE_BUILD_TYPE=RelWithDebInfo -DUSE_WERROR=ON -DWANT_QT5=$QT5 ..