.travis.yml

sudo: required
dist: trusty
language: cpp

before_install:
    - "if [ ${TRAVIS_OS_NAME} = 'linux' ]; then ./scripts/travis_ci_before_install_linux.sh; fi"
    - "if [ ${TRAVIS_OS_NAME} = 'osx' ]; then ./scripts/travis_ci_before_install_osx.sh; fi"
install:
    - export CC="${MY_CC}"
    - export CXX="${MY_CXX}"
    - "if [ ${TRAVIS_OS_NAME} = 'linux' ]; then ./scripts/travis_ci_install_linux.sh; fi"
    - "if [ ${TRAVIS_OS_NAME} = 'osx' ]; then ./scripts/travis_ci_install_osx.sh; fi"
    - "echo CXX version: $($CXX --version)"
    - "echo C++ Standard library location: $(echo '#include <vector>' | g++ -x c++ -E - | grep 'vector\"' | awk '{print $3}' | sed 's@/vector@@;s@\"@@g' | head -n 1)"
    - "echo Normalized C++ Standard library location: $(readlink -f $(echo '#include <vector>' | g++ -x c++ -E - | grep 'vector\"' | awk '{print $3}' | sed 's@/vector@@;s@\"@@g' | head -n 1))"

script: 
    - export CC="${MY_CC}"
    - export CXX="${MY_CXX}"
    - '[ "$NO_ASAN"     == 1 ] || ./scripts/postsubmit.sh DebugAsan'
    - '[ "$NO_VALGRIND" == 1 ] || ./scripts/postsubmit.sh DebugValgrind'
    - '[ "$NO_ASAN"     != 1 ] || [ "$NO_VALGRIND" != 1 ] || ./scripts/postsubmit.sh DebugPlain'
    - '[ "$NO_VALGRIND" != 1 ] || ./scripts/postsubmit.sh ReleasePlain'
    - '[ "$NO_VALGRIND" == 1 ] || ./scripts/postsubmit.sh ReleaseValgrind'

branches:
  only:
    - master

matrix:
  # Report an error as soon as the first matrix entry fails.
  fast_finish: true
  include:
    # GCC on Linux
    - os: linux
      compiler: gcc
      # ASAN (aka '-fsanitize=undefined,address') is not supported in GCC 4.8.
      env: MY_CC=gcc-4.8   MY_CXX=g++-4.8                   NO_ASAN=1
    - os: linux
      compiler: gcc
      env: MY_CC=gcc-4.9   MY_CXX=g++-4.9
    - os: linux
      compiler: gcc
      env: MY_CC=gcc-5     MY_CXX=g++-5
    # Clang on Linux with libstdc++
    - os: linux
      compiler: clang
      env: MY_CC=clang-3.5 MY_CXX=clang++-3.5 STL=libstdc++
    - os: linux
      compiler: clang
      env: MY_CC=clang-3.6 MY_CXX=clang++-3.6 STL=libstdc++
    - os: linux
      compiler: clang
      # ASAN is disabled because it would hit this error:
      # ld: cannot find [...]/libclang_rt.asan-x86_64.a
      env: MY_CC=clang-3.7 MY_CXX=clang++-3.7 STL=libstdc++ NO_ASAN=1
    - os: linux
      compiler: clang
      env: MY_CC=clang-3.8 MY_CXX=clang++-3.8 STL=libstdc++
    # Clang on Linux with libc++
    - os: linux
      compiler: clang
      env: MY_CC=clang-3.5 MY_CXX=clang++-3.5 STL=libc++
    - os: linux
      compiler: clang
      env: MY_CC=clang-3.6 MY_CXX=clang++-3.6 STL=libc++
    - os: linux
      compiler: clang
      # ASAN is disabled because it would hit this error:
      # ld: cannot find [...]/libclang_rt.asan-x86_64.a
      env: MY_CC=clang-3.7 MY_CXX=clang++-3.7 STL=libc++ NO_ASAN=1
    - os: linux
      compiler: clang
      env: MY_CC=clang-3.8 MY_CXX=clang++-3.8 STL=libc++
    # GCC on OS X
    - os: osx
      compiler: gcc
      # ASAN (aka '-fsanitize=undefined,address') is not supported in GCC 4.8.
      env: MY_CC=gcc-4.8   MY_CXX=g++-4.8 NO_ASAN=1
    - os: osx
      compiler: gcc
      env: MY_CC=gcc-4.9   MY_CXX=g++-4.9
    - os: osx
      compiler: gcc
      env: MY_CC=gcc-5     MY_CXX=g++-5
    # Clang on OS X (with libc++)
    - os: osx
      compiler: clang      
      # ASAN is disabled because it would hit this error:
      # ld: file not found: [...]/libclang_rt.ubsan_osx.a
      # Not sure if that's a limitation of Clang 3.6 on OS X or just of the brew-provided binaries.
      env: MY_CC=clang-3.6 MY_CXX=clang++-3.6 STL=libc++ NO_ASAN=1
    - os: osx
      compiler: clang
      # ASAN is disabled because it would hit this error:
      # ld: file not found: [...]/libclang_rt.ubsan_osx.a
      # Not sure if that's a limitation of Clang 3.7 on OS X or just of the brew-provided binaries.
      env: MY_CC=clang-3.7 MY_CXX=clang++-3.7 STL=libc++ NO_ASAN=1
    # AppleClang on OS X (with libc++)
    - os: osx
      compiler: clang
      # OS X 10.10
      osx_image: xcode7.1
      # ASAN is disabled because AppleClang does not support -fsanitize=undefined.
      env: MY_CC=clang MY_CXX=clang++ STL=libc++ NO_ASAN=1
    - os: osx
      compiler: clang
      # OS X 10.11
      osx_image: xcode7.3
      # ASAN is disabled because AppleClang does not support -fsanitize=undefined.
      env: MY_CC=clang MY_CXX=clang++ STL=libc++ NO_ASAN=1

# Disabled combinations:
#
#    These fail with "'type_traits' file not found" (the <type_traits> header is missing).
#    - os: osx
#      compiler: gcc
#      env: MY_CC=gcc       MY_CXX=g++         STL=libstdc++
#    - os: osx
#      compiler: clang
#      env: MY_CC=clang     MY_CXX=clang++     STL=libstdc++
#    - os: osx
#      compiler: clang
#      env: MY_CC=clang-3.5 MY_CXX=clang++-3.5 STL=libstdc++ NO_VALGRIND=1
#    - os: osx
#      compiler: clang
#      env: MY_CC=clang-3.6 MY_CXX=clang++-3.6 STL=libstdc++
#
#    The compiler complains that the 2-argument constructor of std::pair is ambiguous, even after
#    adding explicit casts to the exact types of the expected overload.
#    - os: osx
#      compiler: clang
#      env: MY_CC=clang     MY_CXX=clang++     STL=libc++ NO_ASAN=1
#
#    This triggers an assert error in the compiler, with the message:
#    "expected to get called on an inlined function!" [...] function isMSExternInline, file Decl.cpp, line 2647.
#    - os: osx
#      compiler: clang
#      env: MY_CC=clang-3.5 MY_CXX=clang++-3.5 STL=libc++ NO_VALGRIND=1 NO_ASAN=1