Added armhf Travis build

.travis.yml

@@ -75,6 +75,10 @@ matrix:
       compiler: "gcc-5-release-i686"
       env: TARGET_ARCH='i686' CCOMPILER='gcc-5' CXXCOMPILER='g++-5' BUILD_TYPE='Release'
 
+    - os: linux
+      compiler: "gcc-4.8-release-armhf"
+      env: TARGET_ARCH='armhf' CCOMPILER='arm-linux-gnueabihf-gcc-4.8' CXXCOMPILER='arm-linux-gnueabihf-g++-4.8' BUILD_TYPE='Release'
+
       # Disabled because of CI slowness
       #- os: linux
       #- compiler: gcc
@@ -166,6 +170,7 @@ install:
   - popd
 
 script:
+  - if [[ $TARGET_ARCH == armhf ]] ; then echo "Skip tests for $TARGET_ARCH" && exit 0 ; fi
   - echo "travis_fold:start:BENCHMARK"
   - make -C test/data benchmark
   - echo "travis_fold:end:BENCHMARK"

scripts/travis/before_install.armhf.sh

@@ -0,0 +1,28 @@
+#!/bin/sh -ex
+
+# workaround for gcc4.8 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55642
+export CXXFLAGS=-Wa,-mimplicit-it=thumb
+
+UBUNTU_RELEASE=$(lsb_release -sc)
+
+sudo dpkg --add-architecture armhf
+
+sudo tee -a /etc/apt/sources.list > /dev/null <<EOF
+deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports ${UBUNTU_RELEASE} restricted main multiverse universe
+deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports ${UBUNTU_RELEASE}-security restricted main multiverse universe
+deb [arch=armhf] http://ports.ubuntu.com/ubuntu-ports ${UBUNTU_RELEASE}-updates restricted main multiverse universe
+EOF
+cat /etc/apt/sources.list
+sudo apt-get update -qq --yes || true
+
+
+sudo apt-get install -qq --yes --force-yes g++-4.8-arm-linux-gnueabihf g++-4.8-multilib-arm-linux-gnueabihf gcc-4.8-arm-linux-gnueabihf gcc-4.8-multilib-arm-linux-gnueabihf
+sudo apt-get install -qq --yes --force-yes libexpat1-dev:armhf zlib1g-dev:armhf libbz2-dev:armhf libboost-date-time-dev:armhf libboost-filesystem-dev:armhf libboost-iostreams-dev:armhf libboost-program-options-dev:armhf libboost-regex-dev:armhf libboost-system-dev:armhf libboost-thread-dev:armhf libtbb-dev:armhf libboost-test-dev:armhf libluabind-dev:armhf
+
+## build libstxxl1v5:armhf from sources, no package in trusty
+if [ $UBUNTU_RELEASE == trusty ] ; then
+    ( cd /tmp && wget http://sourceforge.net/projects/stxxl/files/stxxl/1.4.1/stxxl-1.4.1.tar.gz && tar xf stxxl-1.4.1.tar.gz )
+    ( cd /tmp/stxxl-1.4.1 && mkdir build && cd build && CC=arm-linux-gnueabihf-gcc-4.8 CXX=arm-linux-gnueabihf-g++-4.8 cmake .. && make && sudo make install )
+else
+    sudo apt-get install -qq --yes --force-yes libstxxl1v5:armhf
+fi