.travis.yml

dist: xenial
language: cpp

addons:
  apt:
    sources:
     - sourceline: 'deb http://apt.llvm.org/xenial/ llvm-toolchain-xenial main'
       key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
    packages:
     - ninja-build
     # TODO: These should really be the snapshots packages, but they are currently
     # broken. Remove the '-9' once they get fixed (see issue #642 for more info)
     - llvm-9-dev
     - llvm-9-tools
     - libclang-9-dev
     - clang-9

before_install:
 # Install a supported cmake version (>= 3.4.3)
 - wget -O cmake.sh https://cmake.org/files/v3.10/cmake-3.10.0-Linux-x86_64.sh 
 - sudo sh cmake.sh --skip-license --exclude-subdir --prefix=/usr/local

 # Extract the version number from the most-recently installed LLVM
 - VERSION=`ls -t /usr/lib/ | grep '^llvm-' | head -n 1 | sed -E 's/llvm-(.+)/\1/'`

 # Absolute paths to LLVM's root and bin directory
 - ROOT_PATH=`llvm-config-$VERSION --prefix`
 - BIN_PATH=`llvm-config-$VERSION --bindir`

 # TODO: Remove this as soon as humanly possible.
 # Patch Clang CMake config to remove 'clang_shared' target which is
 # currently broken in the Debian packaging.
 - sudo sed -i -e 's/clang-refactor clang_shared clangApplyReplacements/clang-refactor clangApplyReplacements/' $ROOT_PATH/lib/cmake/clang/ClangTargets.cmake
 - sudo sed -i -e '/clang_shared/d' $ROOT_PATH/lib/cmake/clang/ClangTargets.cmake
 - sudo sed -i -e '/IMPORTED_SONAME_RELWITHDEBINFO.*libclang_shared\.so/,+1 d' $ROOT_PATH/lib/cmake/clang/ClangTargets-relwithdebinfo.cmake
 - sudo sed -i -e '/clang_shared/d' $ROOT_PATH/lib/cmake/clang/ClangTargets-relwithdebinfo.cmake

script:
# Build IWYU
 - mkdir build
 - cd build
 - cmake -GNinja -DCMAKE_PREFIX_PATH=$ROOT_PATH -DCMAKE_C_COMPILER=$BIN_PATH/clang -DCMAKE_CXX_COMPILER=$BIN_PATH/clang++ -DCMAKE_INSTALL_PREFIX=./ ../
 - ninja install

# Test IWYU
 - cd ..
 - python run_iwyu_tests.py -- build/bin/include-what-you-use
 - python fix_includes_test.py
 - python iwyu_tool_test.py