build.xml

<!--
  ~ Copyright 2021 Alibaba Group Holding Limited.
  ~
  ~ Licensed 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.
  -->

<!--
 ~ Derived from alibaba/fastFFI v0.1.2
 ~ https://github.com/alibaba/fastFFI/blob/1eca42b/build.xml
-->

<project name="llvm4jni">
    <target name="make">
        <echo message="Make native code" level="info"/>

        <mkdir dir="${project.build.directory}/native"/>

        <property environment="env"/>
        <fail unless="env.LLVM11_HOME" message="LLVM11_HOME not set."/>

        <condition property="platform" value="linux64"><os family="unix" arch="amd64" />
        </condition>

        <condition property="platform" value="mac"><os family="mac" arch="x86_64" />
        </condition>

        <fail unless="platform" message="Not a supported platform."/>

        <echo message="Native Library Name: ${native.library.name}" level="info"/>

        <exec executable="cmake" dir="${project.build.directory}/native" failonerror="true">
            <arg line="-DBUILD_GAR_CPP=${build_gar_cpp}; -DCMAKE_AR=&quot;${env.LLVM11_HOME}/bin/llvm-ar&quot; -DCMAKE_RANLIB=&quot;${env.LLVM11_HOME}/bin/llvm-ranlib&quot; -DCMAKE_C_COMPILER=&quot;${env.LLVM11_HOME}/bin/clang&quot; -DCMAKE_CXX_COMPILER=&quot;${env.LLVM11_HOME}/bin/clang++&quot; -DCMAKE_CXX_FLAGS=&quot;-flto -fforce-emit-vtables&quot; ${basedir}"/>
        </exec>

        <exec executable="make" dir="${project.build.directory}/native" failonerror="true">
            <arg line="VERBOSE=1"/>
        </exec>
    </target>

    <target name="link-llvm-bitcode" depends="make">
        <echo message="Link bitcode" level="info"/>

        <exec executable="sh" dir="${project.build.directory}/native" failonerror="true">
            <arg line="-c '${env.LLVM11_HOME}/bin/llvm-link ./bitcode/* -o ${native.library.name}.bc'" />
        </exec>

        <exec executable="cp" dir="${project.build.directory}/native" failonerror="true">
            <arg line="${native.library.name}.bc ${project.build.directory}/classes"/>
        </exec>
    </target>

    <target name="run-llvm4jni" depends="link-llvm-bitcode">
        <echo message="Run LLVM4JNI" level="info"/>

        <mkdir dir="${project.build.directory}/llvm4jni-output"/>

        <condition property="native.library.file" value="lib${native.library.name}.so"><os family="unix" arch="amd64" />
        </condition>

        <condition property="native.library.file" value="lib${native.library.name}.dylib"><os family="mac" arch="x86_64" />
        </condition>

        <java classname="com.alibaba.fastffi.llvm4jni.Main"
              fork="true" failonerror="true">
            <arg value="-cp" />
            <arg value="${project.build.directory}/classes" />
            <arg value="-bc" />
            <arg value="${project.build.directory}/native/${native.library.name}.bc" />
            <!--
            <arg value="-lib" />
            <arg value="${project.build.directory}/native/${native.library.file}" />
            -->
            <arg value="-output" />
            <arg value="${project.build.directory}/llvm4jni-output" />
            <arg value="-v" />
            <arg value="INFO" />
            <jvmarg value="-Dllvm4jni.supportIndirectCall=simple" />
            <jvmarg value="-Dllvm4jni.supportLocalConstant=true" />
            <jvmarg value="-Dllvm4jni.maximumBytecodeSize=128" />
            <classpath>
                <pathelement path="${compile_classpath}"/>
            </classpath>
        </java>
    </target>
</project>