Support JAVA rely on certain C++ version

java/CMakeLists.txt

@@ -1,6 +1,7 @@
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.6)
 project(gar-java)
 
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 SET(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -g -std=c++17 -Wall")
 
 file(GLOB SOURCES "${CMAKE_CURRENT_SOURCE_DIR}/target/generated-sources/annotations/*.cc" "${CMAKE_CURRENT_SOURCE_DIR}/target/generated-test-sources/test-annotations/*.cc"
@@ -19,10 +20,12 @@ include_directories("src/main/native")
 include_directories("src/test/native")
 
 find_package(Arrow REQUIRED)
-find_package(gar REQUIRED)
+include(graphar-cpp)
+build_graphar_cpp()
 
 add_library(${LIBNAME} SHARED ${SOURCES})
-target_link_libraries(${LIBNAME} ${CMAKE_JNI_LINKER_FLAGS} gar)
+target_include_directories(${LIBNAME} SYSTEM BEFORE PRIVATE ${GAR_INCLUDE_DIR})
+target_link_libraries(${LIBNAME} ${CMAKE_JNI_LINKER_FLAGS} ${GAR_DYNAMIC_LIB})
 target_link_libraries(${LIBNAME} ${CMAKE_JNI_LINKER_FLAGS} Arrow::arrow_static)
 
 set_target_properties(${LIBNAME} PROPERTIES LINKER_LANGUAGE CXX)

java/README.md

@@ -14,11 +14,10 @@ NOTE: This project is still under development, and we will release it soon.
 ### C++
 
 - CMake 3.5 or higher
-- [GraphAr C++ library](../cpp/README.md)
+- [GraphAr C++ library v0.9.0](../cpp/README.md)
 - LLVM 11
 
 Tips: 
-- To install GraphAr C++ library, you can refer to our [C++ CI](../.github/workflows/ci.yml) on Ubuntu and CentOS;
 - To install LLVM 11, you can refer to our [Java CI](../.github/workflows/java.yml) on Ubuntu or compile from source with [this script](https://github.com/alibaba/fastFFI/blob/main/docker/install-llvm11.sh).
 
 ## Build, Test and Install

java/cmake/graphar-cpp.cmake

@@ -0,0 +1,74 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+# This cmake file is referred and derived from
+# https://github.com/apache/arrow/blob/master/matlab/CMakeLists.txt
+
+
+# Build the GraphAr C++ libraries.
+function(build_graphar_cpp)
+    set(one_value_args)
+    set(multi_value_args)
+
+    cmake_parse_arguments(ARG
+            "${options}"
+            "${one_value_args}"
+            "${multi_value_args}"
+            ${ARGN})
+    if (ARG_UNPARSED_ARGUMENTS)
+        message(SEND_ERROR "Error: unrecognized arguments: ${ARG_UNPARSED_ARGUMENTS}")
+    endif ()
+
+    # If GraphAr needs to be built, the default location will be within the build tree.
+    set(GAR_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/graphar_ep-prefix")
+
+    set(GAR_DYNAMIC_LIBRARY_DIR "${GAR_PREFIX}/lib")
+
+    set(GAR_DYNAMIC_LIB_FILENAME
+            "${CMAKE_STATIC_LIBRARY_PREFIX}arrow${CMAKE_STATIC_LIBRARY_SUFFIX}")
+    set(GAR_DYNAMIC_LIB "${GAR_DYNAMIC_LIBRARY_DIR}/${GAR_DYNAMIC_LIB_FILENAME}")
+
+    set(GAR_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/graphar_ep-build")
+    set(GAR_CMAKE_ARGS "-DCMAKE_INSTALL_PREFIX=${GAR_PREFIX}")
+
+    set(GAR_INCLUDE_DIR "${GAR_PREFIX}/include" CACHE INTERNAL "graphar cpp include directory")
+    set(GAR_BUILD_BYPRODUCTS "${GAR_DYNAMIC_LIB}")
+
+    set(GAR_VERSION_TO_BUILD "v0.9.0" CACHE INTERNAL "GraphAr version")
+    set(GAR_ARROW_SOURCE_FILE "https://www.apache.org/dyn/closer.lua?action=download&filename=arrow/arrow-${ARROW_VERSION_TO_BUILD}/apache-arrow-${ARROW_VERSION_TO_BUILD}.tar.gz")
+
+    include(ExternalProject)
+    ExternalProject_Add(graphar_ep
+            GIT_REPOSITORY https://github.com/alibaba/GraphAr.git
+            GIT_TAG ${GAR_VERSION_TO_BUILD}
+            GIT_SHALLOW TRUE
+            GIT_SUBMODULES ""
+            SOURCE_SUBDIR cpp
+            BINARY_DIR "${GAR_BINARY_DIR}"
+            CMAKE_ARGS "${GAR_CMAKE_ARGS}"
+            BUILD_BYPRODUCTS "${GAR_BUILD_BYPRODUCTS}")
+
+    set(GAR_LIBRARY_TARGET gar_dynamic)
+
+    file(MAKE_DIRECTORY "${GAR_INCLUDE_DIR}")
+    add_library(${GAR_LIBRARY_TARGET} STATIC IMPORTED)
+    set_target_properties(${GAR_LIBRARY_TARGET}
+            PROPERTIES INTERFACE_INCLUDE_DIRECTORIES ${GAR_INCLUDE_DIR}
+            IMPORTED_LOCATION ${GAR_DYNAMIC_LIB})
+
+    add_dependencies(${GAR_LIBRARY_TARGET} graphar_ep)
+endfunction()