[ci] added job for swig compilation on Linux with artifacts (#2125)

* added job for swig compilation on Linux with artifacts

* hotfix

* test: SWIG with Clang compiler

* switch compiler back to gcc

* switch to main docker

.ci/dockers/ubuntu-14.04/Dockerfile

@@ -41,6 +41,26 @@ RUN curl -sL https://cmake.org/files/v3.14/cmake-3.14.1-Linux-x86_64.sh -o cmake
  && ./cmake.sh --prefix=/usr/local --exclude-subdir \
  && rm cmake.sh
 
+# Install Java
+RUN add-apt-repository ppa:openjdk-r/ppa -y \
+ && apt-get update \
+ && apt-get install -y --no-install-recommends \
+    openjdk-8-jdk \
+ && rm -rf /var/lib/apt/lists/*
+
+ENV JAVA_HOME=/usr/lib/jvm/java-8-openjdk-amd64/
+
+# Install SWIG
+RUN curl -sL https://downloads.sourceforge.net/project/swig/swig/swig-3.0.12/swig-3.0.12.tar.gz -o swig.tar.gz \
+ && tar -xzf swig.tar.gz \
+ && cd swig-3.0.12 \
+ && ./configure --prefix=/usr/local --without-pcre \
+ && make \
+ && make install \
+ && cd .. \
+ && rm swig.tar.gz \
+ && rm -rf swig-3.0.12
+
 # Install Miniconda
 RUN curl -sL https://repo.continuum.io/miniconda/Miniconda3-latest-Linux-x86_64.sh -o miniconda.sh \
  && chmod +x miniconda.sh \

.ci/test.sh

@@ -18,6 +18,19 @@ else
     CMAKE_OPTS=()
 fi
 
+if [[ $AZURE == "true" ]] && [[ $OS_NAME == "linux" ]] && [[ $TASK == "swig" ]]; then
+    mkdir $BUILD_DIRECTORY/build && cd $BUILD_DIRECTORY/build
+    cmake -DUSE_SWIG=ON "${CMAKE_OPTS[@]}" ..
+    make -j4 || exit -1
+    if [[ $COMPILER == "gcc" ]]; then
+        objdump -T $BUILD_DIRECTORY/lib_lightgbm.so > $BUILD_DIRECTORY/objdump.log || exit -1
+        objdump -T $BUILD_DIRECTORY/lib_lightgbm_swig.so >> $BUILD_DIRECTORY/objdump.log || exit -1
+        python $BUILD_DIRECTORY/helpers/check_dynamic_dependencies.py $BUILD_DIRECTORY/objdump.log || exit -1
+    fi
+    cp $BUILD_DIRECTORY/build/lightgbmlib.jar $BUILD_ARTIFACTSTAGINGDIRECTORY/lightgbmlib.jar
+    exit 0
+fi
+
 conda create -q -y -n $CONDA_ENV python=$PYTHON_VERSION
 source activate $CONDA_ENV
 

.vsts-ci.yml

@@ -15,7 +15,7 @@ jobs:
     vmImage: 'ubuntu-16.04'
   container: ubuntu1404
   strategy:
-    maxParallel: 6
+    maxParallel: 7
     matrix:
       regular:
         TASK: regular
@@ -25,6 +25,8 @@ jobs:
       bdist:
         TASK: bdist
         PYTHON_VERSION: 3.6
+      swig:
+        TASK: swig
       inference:
         TASK: if-else
       mpi_source: