Scribus's multi-os travis file

.travis.yml

language: cpp

os:
  - linux
    dist: trusty
    sudo: required
  - osx
  
compiler:
  - gcc
  - clang


before_install:
- echo "Building for $TRAVIS_OS_NAME\n";

#Linux
if [ $TRAVIS_OS_NAME == linux ]; then sudo apt-get update -qq; 
  sudo apt-get install cmake libboost-python-dev libcups2-dev libhunspell-dev
    libhyphen-dev liblcms2-dev libpodofo-dev libtiff-dev libxml2-dev
    python-all-dev zlib1g-dev qtbase5-dev qtdeclarative5-dev libqt5opengl5-dev
    qttools5-dev qttools5-dev-tools libgraphicsmagick++1-dev
    libopenscenegraph-dev libpoppler-dev libcairo2-dev libwpg-dev libmspub-dev
    libcdr-dev libvisio-dev;
fi

#OSX
# - if [ $TRAVIS_OS_NAME == osx ]; then brew --env && brew config; fi
# - if [ $TRAVIS_OS_NAME == osx ]; then brew list; fi
- if [ $TRAVIS_OS_NAME == osx ]; then  brew update; 
    brew outdated cmake --verbose || brew upgrade cmake; 
    brew tap homebrew/dupes && brew install homebrew/dupes/zlib && brew link --force zlib
    brew install xz little-cms2 cairo qt5 hunspell ghostscript graphicsmagick poppler podofo; 
    brew outdated jpeg --verbose || brew upgrade jpeg;
    brew outdated libtiff --verbose || brew upgrade libtiff; 
    brew outdated fontconfig --verbose || brew upgrade fontconfig; 
    brew install openssl && brew link --force openssl; 
    brew outdated pkg-config --verbose || brew upgrade pkg-config; 
    brew outdated boost || brew upgrade boost; 
    brew outdated freetype || brew upgrade freetype; 
# Install Librevenge suite + OSG
    brew install librevenge libwpg libvisio libmspub libcdr libpagemaker libfreehand open-scene-graph; 
  fi
# - export LDFLAGS+=-L/usr/local/opt/zlib/lib:-L/usr/local/opt/gettext/lib:-L/usr/local/opt/libffi/lib:-L/usr/local/opt/qt5/lib:-L/usr/local/opt/sqlite/lib:-L/usr/local/opt/openssl/lib:-L/usr/local/opt/icu4c/lib
# - export CXXFLAGS+=-I/usr/local/opt/zlib/include:-I/usr/local/opt/gettext/include:-I/usr/local/opt/qt5/include:-I/usr/local/opt/sqlite/include:-I/usr/local/opt/openssl/include:-I/usr/local/opt/icu4c/include 

script:
  - if [ $TRAVIS_OS_NAME == linux ]; then
      if [[ $CC == gcc ]]; then
        export NPROC=8;
      else
        export NPROC=1;
      fi
    cmake . 
    make -j$NPROC;
    make install;
    fi
  
  #fix this
#  - if [ $TRAVIS_OS_NAME = osx -a $CC = gcc ]; then DON'T BUILD ; fi
  - if [ $TRAVIS_OS_NAME = osx -a $CC = clang ]; then
      cmake . -DCMAKE_PREFIX_PATH=/usr/local/opt/zlib -DBUILD_OSX_BUNDLE=1 -DCMAKE_INSTALL_PREFIX=/usr/local/Scribus.app/Contents/ -DQT_PREFIX=/usr/local/opt/qt5 -DWANT_HUNSPELL=1 -DWITH_PODOFO=1 -DWANT_GRAPHICSMAGICK=1 -DWANT_DEBUG=1 -DWANT_SVNVERSION=0
      make 
      make install;
    fi
    
notifications:
  email: false
  irc:
    channels:
      - "chat.freenode.net#scribus-dev"
    template:
      - "%{repository}/%{branch} (%{commit} - %{author}): %{build_url}: %{message}"  
    on_success: always
    on_failure: always

See http://docs.travis-ci.com/user/customizing-the-build/#Build-Matrix