[ci] add tests with vcpkg on linux

.travis.yml

@@ -1,4 +1,8 @@
 language: cpp
+cache:
+  timeout: 1000
+  directories:
+    - $HOME/vcpkg
 
 matrix:
   include:
@@ -236,6 +240,22 @@ matrix:
         - additional_defines=""
         - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8"
 
+    - os: linux
+      compiler: gcc
+      name: ubuntu 14.04 - [email protected] - vcpkg
+      addons:
+        apt:
+          update: true
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-8
+      env:
+        - additional_defines=""
+        - USE_VCPKG=true
+        - VCPKG_DEFINES="-DCMAKE_TOOLCHAIN_FILE=$HOME/vcpkg/scripts/buildsystems/vcpkg.cmake"
+        - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8"
+
     - os: linux
       compiler: clang
       name: ubuntu 14.04 - native clang - opencv@2
@@ -842,24 +862,51 @@ matrix:
         - LD_LIBRARY_PATH="/usr/local/cuda-10.0/lib64:/usr/local/cuda-10.0/lib64/stubs:${LD_LIBRARY_PATH}"
         - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8 && wget http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1404/x86_64/cuda-repo-ubuntu1404_10.0.130-1_amd64.deb && sudo apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1404/x86_64/7fa2af80.pub && sudo dpkg -i cuda-repo-ubuntu1404_10.0.130-1_amd64.deb && wget http://developer.download.nvidia.com/compute/machine-learning/repos/ubuntu1404/x86_64/nvidia-machine-learning-repo-ubuntu1404_4.0-2_amd64.deb && sudo dpkg -i nvidia-machine-learning-repo-ubuntu1404_4.0-2_amd64.deb && sudo apt-get -y update && sudo apt-get install -y --no-install-recommends cuda-compiler-10-0 cuda-libraries-dev-10-0 cuda-driver-dev-10-0 cuda-cudart-dev-10-0 cuda-cublas-dev-10-0 cuda-curand-dev-10-0 && sudo apt-get install -y --no-install-recommends libcudnn7-dev && sudo ln -s /usr/local/cuda-10.0/lib64/stubs/libcuda.so /usr/local/cuda-10.0/lib64/stubs/libcuda.so.1"
 
+    - os: linux
+      compiler: gcc
+      name: ubuntu 14.04 - [email protected] - CUDA 10 - vcpkg
+      addons:
+        apt:
+          update: true
+          sources:
+            - ubuntu-toolchain-r-test
+          packages:
+            - g++-8
+      env:
+        - additional_defines=""
+        - USE_VCPKG=true
+        - VCPKG_DEFINES="-DCMAKE_TOOLCHAIN_FILE=$HOME/vcpkg/scripts/buildsystems/vcpkg.cmake"
+        - CUDACXX=/usr/local/cuda-10.0/bin/nvcc
+        - LD_LIBRARY_PATH="/usr/local/cuda-10.0/lib64:/usr/local/cuda-10.0/lib64/stubs:${LD_LIBRARY_PATH}"
+        - MATRIX_EVAL="CC=gcc-8 && CXX=g++-8 && wget http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1404/x86_64/cuda-repo-ubuntu1404_10.0.130-1_amd64.deb && sudo apt-key adv --fetch-keys http://developer.download.nvidia.com/compute/cuda/repos/ubuntu1404/x86_64/7fa2af80.pub && sudo dpkg -i cuda-repo-ubuntu1404_10.0.130-1_amd64.deb && wget http://developer.download.nvidia.com/compute/machine-learning/repos/ubuntu1404/x86_64/nvidia-machine-learning-repo-ubuntu1404_4.0-2_amd64.deb && sudo dpkg -i nvidia-machine-learning-repo-ubuntu1404_4.0-2_amd64.deb && sudo apt-get -y update && sudo apt-get install -y --no-install-recommends cuda-compiler-10-0 cuda-libraries-dev-10-0 cuda-driver-dev-10-0 cuda-cudart-dev-10-0 cuda-cublas-dev-10-0 cuda-curand-dev-10-0 && sudo apt-get install -y --no-install-recommends libcudnn7-dev && sudo ln -s /usr/local/cuda-10.0/lib64/stubs/libcuda.so /usr/local/cuda-10.0/lib64/stubs/libcuda.so.1"
+
 before_install:
   - travis_retry eval "${MATRIX_EVAL}"
 
 install:
   # CMake upgrade on Linux
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then wget --no-check-certificate https://github.com/Kitware/CMake/releases/download/v3.13.4/cmake-3.13.4-Linux-x86_64.tar.gz  ;fi
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then tar -xzf cmake-3.13.4-Linux-x86_64.tar.gz                                                                                ;fi
-  - if [[ "$TRAVIS_OS_NAME" == "linux" ]]; then export PATH=$PWD/cmake-3.13.4-Linux-x86_64/bin:$PATH                                                                     ;fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] ; then wget --no-check-certificate https://github.com/Kitware/CMake/releases/download/v3.13.4/cmake-3.13.4-Linux-x86_64.tar.gz ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] ; then tar -xzf cmake-3.13.4-Linux-x86_64.tar.gz ; fi
+  - if [[ "$TRAVIS_OS_NAME" == "linux" ]] ; then export PATH=$PWD/cmake-3.13.4-Linux-x86_64/bin:$PATH ; fi
+  - pushd $HOME
+  - if [ -d "$HOME/vcpkg/.git" ] ; then echo vcpkg cached ; else rm -rf vcpkg ; git clone https://github.com/Microsoft/vcpkg ; fi
+  - cd vcpkg
+  - git pull
+  - ./bootstrap-vcpkg.sh
+  - if [[ USE_VCPKG = true ]] ; then travis_wait ./vcpkg install stb pthreads ; fi
+  - if [[ USE_VCPKG = true ]] && [[ ! -z "${CUDACXX}" ]] ; then travis_wait ./vcpkg install opencv[ffmpeg,cuda] ; fi
+  - if [[ USE_VCPKG = true ]] && [[ -z "${CUDACXX}" ]] ; then travis_wait ./vcpkg install opencv[ffmpeg] ; fi
+  - popd
 
 before_script:
   - echo ${additional_defines}
   - mkdir build_debug
   - cd build_debug
-  - cmake .. -DCMAKE_BUILD_TYPE="Debug" ${additional_defines}
+  - cmake .. -DCMAKE_BUILD_TYPE="Debug" ${VCPKG_DEFINES} ${additional_defines}
   - cd ..
   - mkdir build_release
   - cd build_release
-  - cmake .. -DCMAKE_BUILD_TYPE="Release" ${additional_defines}
+  - cmake .. -DCMAKE_BUILD_TYPE="Release" ${VCPKG_DEFINES} ${additional_defines}
   - cd ..
 
 script: