add xgboost library

Signed-off-by: Huamin Chen <[email protected]>

.github/workflows/publish_xgboost.yml

@@ -0,0 +1,38 @@
+name: xgboost artifact
+
+on:
+  workflow_dispatch:
+  pull_request:
+  push:
+    branches: [ main ]
+
+permissions:
+  pull-requests: write
+  contents: write
+  repository-projects: write
+
+jobs:
+  publich_xgboost_pkg:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        persist-credentials: false
+        fetch-depth: 0
+    - name: Build xgboost
+      run: |
+          set -x
+          export XGBOOST_TAG=$(cat xgboost_tag)
+          sudo apt-get update -y
+          # ubuntu 20.04 ships with cmake 3.16, but xgboost needs 3.18+. Install cmake from pip
+          sudo apt-get install git make g++ python3-pip -y
+          sudo pip install cmake --upgrade
+          git clone --recursive https://github.com/dmlc/xgboost.git
+          cd xgboost && git checkout tags/v${XGBOOST_TAG} && mkdir -p build && cd build && cmake .. && make -j4 && make package && cp xgboost-${XGBOOST_TAG}-Linux.sh /tmp/xgboost.sh
+    - if: startsWith(github.event.ref, 'refs/tags/')
+      name: Release
+      uses: softprops/action-gh-release@master
+      with:
+          files: |
+            xgboost.sh
+            /tmp/xgboost.sh

xgboost_tag

@@ -0,0 +1 @@
+2.0.1