Travis: test build against Qt 5.5

We do this in a docker environment to make things fast and easy.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

.travis.yml

@@ -63,6 +63,14 @@ matrix:
 #          directories:
 #              - 3pp
 
+    - env: SUBSURFACE_PLATFORM="qt55"
+      # Currently hard coded to arm
+      os: linux
+      language: c++
+      filter_secrets: false
+      services:
+          - docker
+
 before_install:
     - source ${TRAVIS_BUILD_DIR}/scripts/${SUBSURFACE_PLATFORM}/before_install.sh
 

scripts/qt55/after_success.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+
+echo "Build with Qt 5.5 succeeded"

scripts/qt55/before_install.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Travis only pulls shallow repos. But that messes with git describe.
+# Sorry Travis, fetching the whole thing and the tags as well...
+git fetch --unshallow
+git pull --tags
+git describe
+
+# Ugly, but keeps it running during the build
+docker run -v $PWD:/workspace/subsurface --name=builder -w /workspace -d ubuntu:16.04 /bin/sleep 60m
+
+# Subsurface build dependencies
+docker exec -t builder apt-get update
+docker exec -t builder apt-get install -y wget unzip bzip2 \
+	git g++ make autoconf automake libtool cmake pkg-config \
+	libxml2-dev libxslt1-dev libzip-dev libsqlite3-dev \
+	libusb-1.0-0-dev libssl-dev \
+	qt5-default qt5-qmake qtchooser qttools5-dev-tools libqt5svg5-dev \
+	libqt5webkit5-dev libqt5qml5 libqt5quick5 qtdeclarative5-dev \
+	qtscript5-dev libssh2-1-dev libcurl4-openssl-dev qttools5-dev \
+	qtconnectivity5-dev qtlocation5-dev qtpositioning5-dev \
+	libcrypto++-dev libssl-dev qml-module-qtpositioning qml-module-qtlocation \
+	qml-module-qtquick2

scripts/qt55/travisbuild.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+set -x
+set -e
+
+docker exec -t builder subsurface/scripts/build.sh -desktop
+