sudo: required
dist: trusty
language: cpp
compiler:
    # FIXME: For now, building with Clang is disabled because the STP built with
    # it hits an assertion failure during some tests. We should sort this out
    # eventually and file the bug against STP or Clang whichever is appropriate,
    # but for now it is easier to just reduce the number of configs we test
    # anyway.
    # - clang

    - gcc
env:
    ###########################################################################
    # Configurations
    #
    # Each line in the "env" section represents a set of environment variables
    # passed to a build. Thus each line represents a different build
    # configuration.
    ###########################################################################

    # Check a subset of the matrix of:
    #   LLVM  : {2.9, 3.4}
    #   SOLVERS : {Z3, STP, STP:Z3, metaSMT}
    #   STP_VERSION   : {2.1.2, master}
    #   METASMT_VERSION : {v4.rc1}
    #   METASMT_DEFAULT : {btor, stp, z3}
    #   UCLIBC: {0, klee_uclibc_v1.0.0, klee_0_9_29} // Note ``0`` means disabled
    #   DISABLE_ASSERTIONS: {0, 1}
    #   ENABLE_OPTIMIZED: {0, 1}
    #   COVERAGE: {0, 1}
    #   USE_TCMALLOC: {0, 1}
    #   USE_CMAKE: {0, 1}

    # COVERAGE set indicated that coverage data should be uploaded to the server, only ONE job should have COVERAGE set

    matrix:
    # FIXME: Enable when we want to test LLVM3.5
    #- LLVM_VERSION=3.5 SOLVERS=STP:Z3 STP_VERSION=2.1.2 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1
    #- LLVM_VERSION=3.5 SOLVERS=STP:Z3 STP_VERSION=2.1.2 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 USE_CMAKE=1

    # TODO: Add coverage build
    # TODO: Add Doxygen build

    # Check KLEE CMake build in a few configurations
    - LLVM_VERSION=3.4 SOLVERS=STP:Z3 STP_VERSION=2.1.2 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0 USE_TCMALLOC=1 USE_CMAKE=1
    - LLVM_VERSION=3.4 SOLVERS=metaSMT METASMT_VERSION=v4.rc1 METASMT_DEFAULT=STP KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0 USE_TCMALLOC=1 USE_CMAKE=1
    - LLVM_VERSION=2.9 SOLVERS=STP:Z3 STP_VERSION=2.1.2 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0 USE_TCMALLOC=1 USE_CMAKE=1

    # ASan build. Do unoptimized build otherwise the optimizer might remove problematic code
    - LLVM_VERSION=3.4 SOLVERS=STP STP_VERSION=2.1.2 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=0 COVERAGE=0 USE_CMAKE=1 USE_TCMALLOC=0 ASAN_BUILD=1
    - LLVM_VERSION=3.4 SOLVERS=STP STP_VERSION=2.1.2 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=0 COVERAGE=0 USE_CMAKE=0 USE_TCMALLOC=0 ASAN_BUILD=1

    # TODO: Port all configurations below to CMake build system

    # Test we can still build with Z3 in the old build sytem
    - LLVM_VERSION=3.4 SOLVERS=Z3 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0
    - LLVM_VERSION=2.9 SOLVERS=Z3 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0

    # Test we can build against STP master
    - LLVM_VERSION=3.4 SOLVERS=STP STP_VERSION=master KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0

    # Check we can build latest klee-uclibc branch
    - LLVM_VERSION=3.4 SOLVERS=STP STP_VERSION=2.1.2 KLEE_UCLIBC=klee_0_9_29 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0
    - LLVM_VERSION=2.9 SOLVERS=STP STP_VERSION=2.1.2 KLEE_UCLIBC=klee_0_9_29 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0

    # Test metaSMT support
    - LLVM_VERSION=3.4 SOLVERS=metaSMT METASMT_VERSION=v4.rc1 METASMT_DEFAULT=btor KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0
    - LLVM_VERSION=2.9 SOLVERS=metaSMT METASMT_VERSION=v4.rc1 METASMT_DEFAULT=btor KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0
    
    # Check at least one build with Asserts disabled.
    - LLVM_VERSION=3.4 SOLVERS=STP STP_VERSION=2.1.2 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=1 ENABLE_OPTIMIZED=1 COVERAGE=0

    # Check at least one Debug+Asserts build
    - LLVM_VERSION=3.4 SOLVERS=STP STP_VERSION=2.1.2 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=0 COVERAGE=0

    # Check with TCMALLOC
    - LLVM_VERSION=3.4 SOLVERS=STP STP_VERSION=2.1.2 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0 USE_TCMALLOC=1
    - LLVM_VERSION=2.9 SOLVERS=STP STP_VERSION=2.1.2 KLEE_UCLIBC=klee_uclibc_v1.0.0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0 USE_TCMALLOC=1
    global:
    - secure: EF/WAc4BdIRUchF3mjATN3/UwtGWtGaRgb5oIIJHjKhgZFdPsgWsXFgaOB0jaK2hfO/svj/LvlasuRIGxeePVjeaiX8ZlVpuHiX67vdYLY+0kCDRwkusRjm60/GbPU9O/Xjgb/d4aWAEkoq5OnsprVTEvU8iY2JHtAqgwR+wW9I=
    - secure: Hrp1MRSxDUH2GTQg3QR/yUttY/3KmgbFb5e+zyy551dKpHjxJdsNe8bquY9oFoT7KmPQYl0HNNjEv4qWW8RK+HWHOCB55nL1KlGpOG7vAJcUEZg7ScbliGgiovMB6jIQVfeP9FhYngfc13vNZQ5PGlqzfSsHSAbvkwEogBToHVw=
    - secure: DQAEQWJblXvIztN/sgH63OtFncI+Qju6wRy1zIV/iLf5KbAmLs1h3itU7EsE/+3+LgV1MVQ5QNJDBUj17A6VHRKNaQ5qnIllTAcC3o0nPDohQkQoCgDG8HZ+M4wtVfr7q2K6byEPB2UbSH+mEjSMTihJufgBBVfKyyozAfYycjg=

matrix:
  include:
    - os: osx
      osx_image: xcode8.2
      env: LLVM_VERSION=3.4 SOLVERS=STP:Z3 STP_VERSION=2.1.2 KLEE_UCLIBC=0 DISABLE_ASSERTIONS=0 ENABLE_OPTIMIZED=1 COVERAGE=0 USE_TCMALLOC=0 USE_CMAKE=1

addons:
  apt:
    sources:
    - sourceline: 'ppa:ubuntu-toolchain-r/test'
    - sourceline: 'ppa:h-rayflood/llvm'
    - sourceline: 'deb http://download.opensuse.org/repositories/home:/delcypher:/z3/xUbuntu_14.04/ /'
      key_url: 'http://download.opensuse.org/repositories/home:delcypher:z3/xUbuntu_14.04/Release.key'
    packages:
    - gcc-4.8
    - g++-4.8
    - libcap-dev
    - libselinux1-dev
    - cmake

cache: apt
before_install:
    ###########################################################################
    # Set up the locations to get various packages from
    # We assume the Travis image uses Ubuntu 14.04 LTS
    ###########################################################################
    # Update package information
    - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then sudo apt-get update; fi
    - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then brew update && brew tap andreamattavelli/klee; fi
    ###########################################################################
    # Set up out of source build directory
    ###########################################################################
    - export KLEE_SRC=`pwd`
    - cd ../
    - mkdir build
    - cd build/
    - export BUILD_DIR=`pwd`
    ###########################################################################
    # Install stuff
    ###########################################################################
    # Install LLVM and the LLVM bitcode compiler we require to build KLEE
    - ${KLEE_SRC}/.travis/install-llvm-and-runtime-compiler.sh
    - ${KLEE_SRC}/.travis/install-tcmalloc.sh
    # Install lit (llvm-lit is not available)
    - sudo pip install lit
    # Get SMT solvers
    - ${KLEE_SRC}/.travis/solvers.sh
    # Get needed utlities/libraries for testing KLEE
    - mkdir test-utils/
    - cd test-utils/
    - ${KLEE_SRC}/.travis/testing-utils.sh
    - cd ../
script:
    # Build KLEE and run tests
    - ${KLEE_SRC}/.travis/klee.sh