language: cpp

os:
  - linux

compiler: 
    - gcc
    - clang

before_install: 
   if [ ${TRAVIS_OS_NAME} = 'linux' ]; 
   then 
       sudo add-apt-repository -y ppa:h-rayflood/llvm; 
       sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test; 
      sudo apt-get update -qq;
   fi

script: "
 echo ${TRAVIS_OS_NAME};
 echo ${TRAVIS_OS_NAME};
 if [  ${TRAVIS_OS_NAME} = 'linux' ]; 
 then 
      sudo apt-get -qq update; 
      sudo apt-get install python-software-properties;
      sudo apt-get update;
      sudo apt-get install gcc-4.8 g++-4.8;
      sudo apt-get install cmake;
      sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 10;
 fi


 if [ ${TRAVIS_OS_NAME} = 'linux' ]; 
  then 
     sudo update-alternatives --install /usr/bin/g++ g++ /usr/bin/g++-4.8 10; 
  fi

 if [ ${TRAVIS_OS_NAME} = 'osx' ]; 
  then 
      brew update; 
  fi

  if [ {$TRAVIS_OS_NAME} = 'osx' ] && [ '$CC' = 'gcc' ]; 
 then 
    export CC=gcc-4.8; 
    export CXX=g++-4.8; 
 fi

 ./scripts/buildAndRunTests.sh"