Added caching of qt5 in .travis.yml

.travis.yml

@@ -5,21 +5,12 @@ dist: trusty
 compiler:
   - gcc
 
-before_install:
+cache:
-
+  directories:
-install:
+    - qt5
 
 before_script:
-  - if [ ! -d qt5 ]
+  - if [ ! -d qt5 ] ; then source make_qt.sh ; fi
-  - then
-  - git clone --branch=5.10 git://code.qt.io/qt/qt5.git
-  - pushd qt5
-  - perl init-repository --module-subset=qtbase,qtimageformats
-  - ./configure -static -opensource -nomake examples -nomake tests -confirm-license
-  - make -j2
-  - sudo make install
-  - popd
-  - fi
 
 script:
   - which qmake

make_qt.sh

@@ -0,0 +1,8 @@
+#!/bin/bash0
+git clone --branch=5.10 git://code.qt.io/qt/qt5.git
+pushd qt5
+perl init-repository --module-subset=qtbase,qtimageformats
+./configure -static -opensource -nomake examples -nomake tests -confirm-license
+make -j2
+sudo make install
+popd