Build duckdb_java linux-amd64-musl

.github/workflows/Java.yml

@@ -196,6 +196,57 @@ jobs:
           path: |
             build/release/duckdb_jdbc.jar
 
+  java-linux-amd64-musl:
+    name: Java Musllinux (amd64)
+    runs-on: ubuntu-latest
+    container:
+      image: alpine:latest 
+    env:
+      GEN: ninja
+      DUCKDB_PLATFORM: linux_amd64_musl
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+          ref: ${{ inputs.git_ref }}
+
+      - name: Prepare Alpine Container
+        shell: sh
+
+        run: |
+          # Update package lists and install essential build tools
+          apk update
+          apk add --no-cache bash boost-dev build-base cmake gcc g++ git libstdc++ make ninja openjdk17 openjdk17-jdk pkgconfig 
+          
+          rm -rf /var/cache/apk/*
+
+          # Set Java environment variables
+          echo "JAVA_HOME=/usr/lib/jvm/java-17-openjdk" >> $GITHUB_ENV
+          echo "/usr/lib/jvm/java-17-openjdk/bin:${PATH}" >> $GITHUB_PATH
+
+      - name: Build
+        shell: bash
+        run: make release
+
+      - name: Java Tests
+        shell: bash
+        if: ${{ inputs.skip_tests != 'true' }}
+        run: make test
+
+      - name: Deploy
+        shell: bash
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.S3_DUCKDB_STAGING_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.S3_DUCKDB_STAGING_KEY }}
+        run: |
+          cp build/release/duckdb_jdbc.jar duckdb_jdbc-linux-amd64-musl.jar
+          ./scripts/upload-assets-to-staging.sh github_release duckdb_jdbc-linux-amd64-musl.jar
+
+      - uses: actions/upload-artifact@v3
+        with:
+          name: java-linux-amd64-musl
+          path: |
+            build/release/duckdb_jdbc.jar
 
   java-combine:
     if: ${{ inputs.override_git_describe == '' }}
@@ -206,6 +257,7 @@ jobs:
       - java-linux-amd64
       - java-windows-amd64
       - java-osx-universal
+      - java-linux-amd64-musl
 
     steps:
       - uses: actions/checkout@v3
@@ -236,6 +288,11 @@ jobs:
           name: java-osx-universal
           path: jdbc-artifacts/java-osx-universal
 
+      - uses: actions/download-artifact@v3
+        with:
+          name: java-linux-amd64-musl
+          path: jdbc-artifacts/java-linux-amd64-musl
+
       - name: Combine JARs
         shell: bash
         run: |

CMakeLists.txt

@@ -38,7 +38,6 @@ else()
   set(CMAKE_C_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE}")
 endif()
 
-
 set(OS_NAME "unknown")
 set(OS_ARCH "amd64")
 
@@ -65,12 +64,31 @@ if(OVERRIDE_JDBC_OS_ARCH)
   set(OS_ARCH ${OVERRIDE_JDBC_OS_ARCH})
 endif()
 
+# Check if the current system is Alpine Linux
+function(is_alpine_linux RESULT)
+  if(UNIX AND NOT APPLE)
+    if(EXISTS "/etc/os-release")
+      file(READ "/etc/os-release" OS_RELEASE_CONTENTS)
+      string(FIND "${OS_RELEASE_CONTENTS}" "Alpine Linux" ALPINE_FOUND)
+
+      if(ALPINE_FOUND GREATER -1)
+        set(${RESULT} TRUE PARENT_SCOPE)
+      else()
+        set(${RESULT} FALSE PARENT_SCOPE)
+      endif()
+    else()
+      set(${RESULT} FALSE PARENT_SCOPE)
+    endif()
+  else()
+    set(${RESULT} FALSE PARENT_SCOPE)
+  endif()
+endfunction()
+
 add_jar(duckdb_jdbc ${JAVA_SRC_FILES} META-INF/services/java.sql.Driver
         GENERATE_NATIVE_HEADERS duckdb-native)
 add_jar(duckdb_jdbc_tests ${JAVA_TEST_FILES} INCLUDE_JARS duckdb_jdbc)
 
 
-
 set(DUCKDB_SYSTEM_LIBS ${CMAKE_DL_LIBS})
 
 if(MSVC)
@@ -82,6 +100,13 @@ target_compile_options(duckdb_java PRIVATE -fexceptions)
 target_link_libraries(duckdb_java duckdb-native )
 target_link_libraries(duckdb_java ${DUCKDB_SYSTEM_LIBS})
 
+is_alpine_linux(IS_ALPINE)
+if(IS_ALPINE)
+  message(STATUS "Detected Alpine Linux - Enabling static C++ library linking")
+  target_link_libraries(duckdb_java -static-libstdc++ -static-libgcc)
+endif()
+
+
 string(JOIN "_" LIB_SUFFIX ".so" ${OS_NAME} ${OS_ARCH})
 set_target_properties(duckdb_java PROPERTIES SUFFIX ${LIB_SUFFIX})
 set_target_properties(duckdb_java PROPERTIES PREFIX "lib")

scripts/jdbc_maven_deploy.py

@@ -58,7 +58,7 @@ def exec(cmd):
 jdbc_artifact_dir = sys.argv[2]
 jdbc_root_path = sys.argv[3]
 
-combine_builds = ['linux-amd64', 'osx-universal', 'windows-amd64', 'linux-aarch64']
+combine_builds = ['linux-amd64', 'osx-universal', 'windows-amd64', 'linux-aarch64', 'linux-amd64-musl']
 
 staging_dir = tempfile.mkdtemp()