.travis.yml

language: cpp

os:
  - linux

# Use Ubuntu 18.04 LTS (Bionic) as the Linux testing environment.
dist: bionic

git:
  depth: 1

branches:
  only:
    - master
    - /llvm_release_\d+$/
# From https://docs.travis-ci.com/user/customizing-the-build/#safelisting-or-blocklisting-branches
# "Note that safelisting also prevents tagged commits from being built.
#  If you consistently tag your builds in the format v1.3 you can safelist them
#  all with regular expressions, for example /^v\d+\.\d+(\.\d+)?(-\S*)?$/."
    - /^v\d+\.\d+(\.\d+)?(-\S*)?$/

before_install:
  - |
    if [ $TRAVIS_OS_NAME == "linux" ]; then
      curl -L "https://apt.llvm.org/llvm-snapshot.gpg.key" | sudo apt-key add -
      curl -L "https://packages.lunarg.com/lunarg-signing-key-pub.asc" | sudo apt-key add -
      curl -L "https://apt.kitware.com/keys/kitware-archive-latest.asc" | sudo apt-key add -
      echo "deb https://apt.llvm.org/bionic/ llvm-toolchain-bionic main" | sudo tee -a ${TRAVIS_ROOT}/etc/apt/sources.list
      echo "deb https://packages.lunarg.com/vulkan bionic main" | sudo tee -a ${TRAVIS_ROOT}/etc/apt/sources.list
      echo "deb https://apt.kitware.com/ubuntu/ bionic main" | sudo tee -a ${TRAVIS_ROOT}/etc/apt/sources.list
      sudo apt-get update
      sudo apt-get -yq --no-install-suggests --no-install-recommends install \
        llvm-${LLVM_VERSION}-dev \
        clang-${LLVM_VERSION} \
        spirv-tools \
        cmake
    fi

compiler:
  - gcc

env:
  global:
    - MAKEFLAGS="-j2"
    - LLVM_VERSION=12
  matrix:
    - BUILD_TYPE=Release BUILD_EXTERNAL=1 SHARED_LIBS=ON  MAKE_TARGETS=""           MAKE_TEST_TARGET="test"
    - BUILD_TYPE=Debug   BUILD_EXTERNAL=1 SHARED_LIBS=ON  MAKE_TARGETS=""           MAKE_TEST_TARGET="test"
    - BUILD_TYPE=Release BUILD_EXTERNAL=0 SHARED_LIBS=ON  MAKE_TARGETS="llvm-spirv" MAKE_TEST_TARGET="check-llvm-spirv"
    - BUILD_TYPE=Debug   BUILD_EXTERNAL=0 SHARED_LIBS=ON  MAKE_TARGETS="llvm-spirv" MAKE_TEST_TARGET="check-llvm-spirv"
    - BUILD_TYPE=Release BUILD_EXTERNAL=1 SHARED_LIBS=OFF MAKE_TARGETS=""           MAKE_TEST_TARGET="test"
    - BUILD_TYPE=Debug   BUILD_EXTERNAL=1 SHARED_LIBS=OFF MAKE_TARGETS=""           MAKE_TEST_TARGET="test"
    - BUILD_TYPE=Release BUILD_EXTERNAL=0 SHARED_LIBS=OFF MAKE_TARGETS="llvm-spirv" MAKE_TEST_TARGET="check-llvm-spirv"
    - BUILD_TYPE=Debug   BUILD_EXTERNAL=0 SHARED_LIBS=OFF MAKE_TARGETS="llvm-spirv" MAKE_TEST_TARGET="check-llvm-spirv"

matrix:
  include:
    - os: osx
      env: BUILD_TYPE=Release BUILD_EXTERNAL=0 MAKE_TARGETS="llvm-spirv" MAKE_TEST_TARGET="check-llvm-spirv"
      osx_image: xcode12

    - os: osx
      env: BUILD_TYPE=Debug BUILD_EXTERNAL=0 MAKE_TARGETS="llvm-spirv" MAKE_TEST_TARGET="check-llvm-spirv"
      osx_image: xcode12

    - compiler: clang
      env: BUILD_TYPE=Release BUILD_EXTERNAL=1 SHARED_LIBS=OFF  MAKE_TARGETS=""           MAKE_TEST_TARGET="test"

    - compiler: clang
      env: BUILD_TYPE=Debug   BUILD_EXTERNAL=1 SHARED_LIBS=ON   MAKE_TARGETS=""           MAKE_TEST_TARGET="test"

    - compiler: clang
      env: BUILD_TYPE=Release BUILD_EXTERNAL=0 SHARED_LIBS=ON   MAKE_TARGETS="llvm-spirv" MAKE_TEST_TARGET="check-llvm-spirv"
  allow_failures:
    - os: osx
  fast_finish: true

script:
  - |
    if [ $BUILD_EXTERNAL == "0" ]; then
      mkdir llvm-spirv
      mv * llvm-spirv
      git clone https://github.com/llvm/llvm-project --depth 1
      git -C llvm-project log --oneline -1
      mv llvm-spirv llvm-project/llvm-spirv
    fi
  - |
    if [ $TRAVIS_OS_NAME == "osx" ]; then
      wget -r --accept="*.tgz" --no-directories https://storage.googleapis.com/spirv-tools/badges/build_link_macos_clang_release.html
      tar -xf install.tgz
      sed -i '' -e 's|^prefix=\(.*\)|prefix='$PWD'/install|g' install/lib/pkgconfig/SPIRV-Tools.pc
      export PKG_CONFIG_PATH=$PWD/install/lib/pkgconfig
    fi
  - mkdir build && cd build
  - PATH=/usr/bin:$PATH
  - |
    if [ $BUILD_EXTERNAL == "1" ]; then
      cmake .. \
        -DCMAKE_BUILD_TYPE=${BUILD_TYPE} \
        -DBUILD_SHARED_LIBS=${SHARED_LIBS} \
        -DLLVM_BUILD_TOOLS=ON \
        -DLLVM_EXTERNAL_LIT="/usr/lib/llvm-${LLVM_VERSION}/build/utils/lit/lit.py" \
        -DLLVM_INCLUDE_TESTS=ON \
        -DCMAKE_INSTALL_PREFIX=../install/ \
        -DCMAKE_EXPORT_COMPILE_COMMANDS=ON \
        -G "Unix Makefiles"
    else
      BUILDDIR=$(pwd)
      cmake ../llvm-project/llvm/ \
        -DCMAKE_BUILD_TYPE=${BUILD_TYPE} \
        -DBUILD_SHARED_LIBS=${SHARED_LIBS} \
        -DLLVM_BUILD_TOOLS=ON \
        -DLLVM_BUILD_TESTS=ON \
        -DLLVM_INCLUDE_TESTS=ON \
        -DSPIRV_SKIP_CLANG_BUILD=ON \
        -DSPIRV_SKIP_DEBUG_INFO_TESTS=ON \
        -DLLVM_LIT_ARGS="-sv --no-progress-bar" \
        -DLLVM_EXTERNAL_PROJECTS="llvm-spirv" \
        -DLLVM_EXTERNAL_LLVM_SPIRV_SOURCE_DIR=${BUILDDIR}/../llvm-project/llvm-spirv \
        -DLLVM_ENABLE_PROJECTS="llvm-spirv" \
        -G "Unix Makefiles"
      ln -s /usr/lib/llvm-${LLVM_VERSION}/bin/clang bin/
    fi

  - make $MAKE_TARGETS && make $MAKE_TEST_TARGET && if [ $BUILD_EXTERNAL == "1" ]; then make install; fi

before_deploy:
  # Travis CI relies on the tag name to push to the correct release.
  # Tag the current master top of the tree as "dev-build".
  # We must be very careful with "git push -f" and allow it ONLY
  # for the "dev-build" tag!
  - if [[ "${TRAVIS_BRANCH}" == "master" && -z "${TRAVIS_TAG}" ]]; then
      export TRAVIS_TAG=dev-build;
      git config --global user.name "Travis CI";
      git config --global user.email "builds@travis-ci.org";
      git tag -f ${TRAVIS_TAG};
      git push -f https://${repo_token}@github.com/${TRAVIS_REPO_SLUG} --tags;
    fi
  # Create tarball for deployment
  - echo ${TRAVIS_COMMIT} > ../install/version.txt;
  - export TARBALL=SPIRV-LLVM-Translator-${TRAVIS_TAG}-${TRAVIS_OS_NAME}-${BUILD_TYPE}.zip;
  - cd ../install && find . -print | zip -@ ${TARBALL};

deploy:
  - provider: releases
    api_key: ${repo_token}
    on:
      tags: true
      condition: ${BUILD_EXTERNAL} == 1 && ${SHARED_LIBS} == ON && ${repo_token}
    file: ${TARBALL}
    skip_cleanup: true
    overwrite: false
  - provider: releases
    api_key: ${repo_token}
    on:
      tags: false
      branch: master
      condition: ${BUILD_EXTERNAL} == 1 && ${SHARED_LIBS} == ON && ${repo_token}
    file: ${TARBALL}
    name: Latest development build $(date -u +'%F %R %Z')
    skip_cleanup: true
    overwrite: true
    prerelease: true