1language: cpp
2matrix:
3  include:
4  # This config does a few things:
5  # - Checks C++ and Python code styles (check-style.sh and flake8).
6  # - Makes sure sphinx can build the docs without any errors or warnings.
7  # - Tests setup.py sdist and install (all header files should be present).
8  # - Makes sure that everything still works without optional deps (numpy/scipy/eigen) and
9  #   also tests the automatic discovery functions in CMake (Python version, C++ standard).
10  - os: linux
11    dist: xenial # Necessary to run doxygen 1.8.15
12    name: Style, docs, and pip
13    cache: false
14    before_install:
15    - pyenv global $(pyenv whence 2to3)  # activate all python versions
16    - PY_CMD=python3
17    - $PY_CMD -m pip install --user --upgrade pip wheel setuptools
18    install:
19    - $PY_CMD -m pip install --user --upgrade sphinx sphinx_rtd_theme breathe flake8 pep8-naming pytest
20    - curl -fsSL https://sourceforge.net/projects/doxygen/files/rel-1.8.15/doxygen-1.8.15.linux.bin.tar.gz/download | tar xz
21    - export PATH="$PWD/doxygen-1.8.15/bin:$PATH"
22    script:
23    - tools/check-style.sh
24    - flake8
25    - $PY_CMD -m sphinx -W -b html docs docs/.build
26    - |
27      # Make sure setup.py distributes and installs all the headers
28      $PY_CMD setup.py sdist
29      $PY_CMD -m pip install --user -U ./dist/*
30      installed=$($PY_CMD -c "import pybind11; print(pybind11.get_include(True) + '/pybind11')")
31      diff -rq $installed ./include/pybind11
32    - |
33      # Barebones build
34      cmake -DCMAKE_BUILD_TYPE=Debug -DPYBIND11_WERROR=ON -DDOWNLOAD_CATCH=ON -DPYTHON_EXECUTABLE=$(which $PY_CMD) .
35      make pytest -j 2
36      make cpptest -j 2
37  # The following are regular test configurations, including optional dependencies.
38  # With regard to each other they differ in Python version, C++ standard and compiler.
39  - os: linux
40    dist: trusty
41    name: Python 2.7, c++11, gcc 4.8
42    env: PYTHON=2.7 CPP=11 GCC=4.8
43    addons:
44      apt:
45        packages:
46          - cmake=2.\*
47          - cmake-data=2.\*
48  - os: linux
49    dist: trusty
50    name: Python 3.6, c++11, gcc 4.8
51    env: PYTHON=3.6 CPP=11 GCC=4.8
52    addons:
53      apt:
54        sources:
55          - deadsnakes
56        packages:
57          - python3.6-dev
58          - python3.6-venv
59          - cmake=2.\*
60          - cmake-data=2.\*
61  - os: linux
62    dist: trusty
63    env: PYTHON=2.7 CPP=14 GCC=6 CMAKE=1
64    name: Python 2.7, c++14, gcc 4.8, CMake test
65    addons:
66      apt:
67        sources:
68          - ubuntu-toolchain-r-test
69        packages:
70          - g++-6
71  - os: linux
72    dist: trusty
73    name: Python 3.5, c++14, gcc 6, Debug build
74    # N.B. `ensurepip` could be installed transitively by `python3.5-venv`, but
75    # seems to have apt conflicts (at least for Trusty). Use Docker instead.
76    services: docker
77    env: DOCKER=debian:stretch PYTHON=3.5 CPP=14 GCC=6 DEBUG=1
78  - os: linux
79    dist: xenial
80    env: PYTHON=3.6 CPP=17 GCC=7
81    name: Python 3.6, c++17, gcc 7
82    addons:
83      apt:
84        sources:
85          - deadsnakes
86          - ubuntu-toolchain-r-test
87        packages:
88          - g++-7
89          - python3.6-dev
90          - python3.6-venv
91  - os: linux
92    dist: xenial
93    env: PYTHON=3.6 CPP=17 CLANG=7
94    name: Python 3.6, c++17, Clang 7
95    addons:
96      apt:
97        sources:
98          - deadsnakes
99          - llvm-toolchain-xenial-7
100        packages:
101          - python3.6-dev
102          - python3.6-venv
103          - clang-7
104          - libclang-7-dev
105          - llvm-7-dev
106          - lld-7
107          - libc++-7-dev
108          - libc++abi-7-dev  # Why is this necessary???
109  - os: osx
110    name: Python 2.7, c++14, AppleClang 7.3, CMake test
111    osx_image: xcode7.3
112    env: PYTHON=2.7 CPP=14 CLANG CMAKE=1
113  - os: osx
114    name: Python 3.7, c++14, AppleClang 9, Debug build
115    osx_image: xcode9
116    env: PYTHON=3.7 CPP=14 CLANG DEBUG=1
117  # Test a PyPy 2.7 build
118  - os: linux
119    dist: trusty
120    env: PYPY=5.8 PYTHON=2.7 CPP=11 GCC=4.8
121    name: PyPy 5.8, Python 2.7, c++11, gcc 4.8
122    addons:
123      apt:
124        packages:
125          - libblas-dev
126          - liblapack-dev
127          - gfortran
128  # Build in 32-bit mode and tests against the CMake-installed version
129  - os: linux
130    dist: trusty
131    services: docker
132    env: DOCKER=i386/debian:stretch PYTHON=3.5 CPP=14 GCC=6 INSTALL=1
133    name: Python 3.4, c++14, gcc 6, 32-bit
134    script:
135      - |
136        # Consolidated 32-bit Docker Build + Install
137        set -ex
138        $SCRIPT_RUN_PREFIX sh -c "
139          set -ex
140          cmake ${CMAKE_EXTRA_ARGS} -DPYBIND11_INSTALL=1 -DPYBIND11_TEST=0 .
141          make install
142          cp -a tests /pybind11-tests
143          mkdir /build-tests && cd /build-tests
144          cmake ../pybind11-tests ${CMAKE_EXTRA_ARGS} -DPYBIND11_WERROR=ON
145          make pytest -j 2"
146        set +ex
147cache:
148  directories:
149  - $HOME/.local/bin
150  - $HOME/.local/lib
151  - $HOME/.local/include
152  - $HOME/Library/Python
153before_install:
154- |
155  # Configure build variables
156  set -ex
157  if [ "$TRAVIS_OS_NAME" = "linux" ]; then
158    if [ -n "$CLANG" ]; then
159      export CXX=clang++-$CLANG CC=clang-$CLANG
160      EXTRA_PACKAGES+=" clang-$CLANG llvm-$CLANG-dev"
161    else
162      if [ -z "$GCC" ]; then GCC=4.8
163      else EXTRA_PACKAGES+=" g++-$GCC"
164      fi
165      export CXX=g++-$GCC CC=gcc-$GCC
166    fi
167  elif [ "$TRAVIS_OS_NAME" = "osx" ]; then
168    export CXX=clang++ CC=clang;
169  fi
170  if [ -n "$CPP" ]; then CPP=-std=c++$CPP; fi
171  if [ "${PYTHON:0:1}" = "3" ]; then PY=3; fi
172  if [ -n "$DEBUG" ]; then CMAKE_EXTRA_ARGS+=" -DCMAKE_BUILD_TYPE=Debug"; fi
173  set +ex
174- |
175  # Initialize environment
176  set -ex
177  if [ -n "$DOCKER" ]; then
178    docker pull $DOCKER
179
180    containerid=$(docker run --detach --tty \
181      --volume="$PWD":/pybind11 --workdir=/pybind11 \
182      --env="CC=$CC" --env="CXX=$CXX" --env="DEBIAN_FRONTEND=$DEBIAN_FRONTEND" \
183      --env=GCC_COLORS=\  \
184      $DOCKER)
185    SCRIPT_RUN_PREFIX="docker exec --tty $containerid"
186    $SCRIPT_RUN_PREFIX sh -c 'for s in 0 15; do sleep $s; apt-get update && apt-get -qy dist-upgrade && break; done'
187  else
188    if [ "$PYPY" = "5.8" ]; then
189      curl -fSL https://bitbucket.org/pypy/pypy/downloads/pypy2-v5.8.0-linux64.tar.bz2 | tar xj
190      PY_CMD=$(echo `pwd`/pypy2-v5.8.0-linux64/bin/pypy)
191      CMAKE_EXTRA_ARGS+=" -DPYTHON_EXECUTABLE:FILEPATH=$PY_CMD"
192    else
193      PY_CMD=python$PYTHON
194      if [ "$TRAVIS_OS_NAME" = "osx" ]; then
195        if [ "$PY" = "3" ]; then
196          brew update && brew upgrade python
197        else
198          curl -fsSL https://bootstrap.pypa.io/get-pip.py | $PY_CMD - --user
199        fi
200      fi
201    fi
202    if [ "$PY" = 3 ] || [ -n "$PYPY" ]; then
203      $PY_CMD -m ensurepip --user
204    fi
205    $PY_CMD --version
206    $PY_CMD -m pip install --user --upgrade pip wheel
207  fi
208  set +ex
209install:
210- |
211  # Install dependencies
212  set -ex
213  cmake --version
214  if [ -n "$DOCKER" ]; then
215    if [ -n "$DEBUG" ]; then
216      PY_DEBUG="python$PYTHON-dbg python$PY-scipy-dbg"
217      CMAKE_EXTRA_ARGS+=" -DPYTHON_EXECUTABLE=/usr/bin/python${PYTHON}dm"
218    fi
219    $SCRIPT_RUN_PREFIX sh -c "for s in 0 15; do sleep \$s; \
220      apt-get -qy --no-install-recommends install \
221        $PY_DEBUG python$PYTHON-dev python$PY-pytest python$PY-scipy \
222        libeigen3-dev libboost-dev cmake make ${EXTRA_PACKAGES} && break; done"
223  else
224
225    if [ "$CLANG" = "7" ]; then
226      export CXXFLAGS="-stdlib=libc++"
227    fi
228
229    export NPY_NUM_BUILD_JOBS=2
230    echo "Installing pytest, numpy, scipy..."
231    local PIP_CMD=""
232    if [ -n $PYPY ]; then
233      # For expediency, install only versions that are available on the extra index.
234      travis_wait 30 \
235        $PY_CMD -m pip install --user --upgrade --extra-index-url https://imaginary.ca/trusty-pypi \
236          pytest numpy==1.15.4 scipy==1.2.0
237    else
238      $PY_CMD -m pip install --user --upgrade pytest numpy scipy
239    fi
240    echo "done."
241
242    mkdir eigen
243    curl -fsSL https://bitbucket.org/eigen/eigen/get/3.3.4.tar.bz2 | \
244        tar --extract -j --directory=eigen --strip-components=1
245    export CMAKE_INCLUDE_PATH="${CMAKE_INCLUDE_PATH:+$CMAKE_INCLUDE_PATH:}$PWD/eigen"
246  fi
247  set +ex
248script:
249- |
250  # CMake Configuration
251  set -ex
252  $SCRIPT_RUN_PREFIX cmake ${CMAKE_EXTRA_ARGS} \
253    -DPYBIND11_PYTHON_VERSION=$PYTHON \
254    -DPYBIND11_CPP_STANDARD=$CPP \
255    -DPYBIND11_WERROR=${WERROR:-ON} \
256    -DDOWNLOAD_CATCH=${DOWNLOAD_CATCH:-ON} \
257    .
258  set +ex
259- |
260  # pytest
261  set -ex
262  $SCRIPT_RUN_PREFIX make pytest -j 2 VERBOSE=1
263  set +ex
264- |
265  # cpptest
266  set -ex
267  $SCRIPT_RUN_PREFIX make cpptest -j 2
268  set +ex
269- |
270  # CMake Build Interface
271  set -ex
272  if [ -n "$CMAKE" ]; then $SCRIPT_RUN_PREFIX make test_cmake_build; fi
273  set +ex
274after_failure: cat tests/test_cmake_build/*.log*
275after_script:
276- |
277  # Cleanup (Docker)
278  set -ex
279  if [ -n "$DOCKER" ]; then docker stop "$containerid"; docker rm "$containerid"; fi
280  set +ex
281