From dcf1e12556c73cea9cff1219feebf88ee25f6a85 Mon Sep 17 00:00:00 2001
From: Norman Maurer <norman_maurer@apple.com>
Date: Wed, 8 Sep 2021 21:45:40 +0200
Subject: [PATCH] Add support for mac m1 (#11666)

Motivation:

As more and more people switch to a mac m1 we should support it

Modifications:

- Add profiles for cross-compile for mac m1
- Adjust script to finish release

Result:

Mac m1 is supported
---
 all/pom.xml                          |  30 +++++++-
 bom/pom.xml                          |  19 ++++-
 resolver-dns-native-macos/pom.xml    | 105 +++++++++++++++++++++++++++
 scripts/finish_release.sh            |   1 +
 transport-native-kqueue/pom.xml      | 105 +++++++++++++++++++++++++++
 transport-native-unix-common/pom.xml |  69 ++++++++++++++++++
 6 files changed, 327 insertions(+), 2 deletions(-)

diff --git a/all/pom.xml b/all/pom.xml
index 0afc0ab297..89e6082c39 100644
--- a/all/pom.xml
+++ b/all/pom.xml
@@ -82,6 +82,13 @@
           <scope>compile</scope>
           <optional>true</optional>
         </dependency>
+        <dependency>
+          <groupId>${project.groupId}</groupId>
+          <artifactId>netty-transport-native-kqueue</artifactId>
+          <classifier>osx-aarch_64</classifier>
+          <scope>compile</scope>
+          <optional>true</optional>
+        </dependency>
         <dependency>
           <groupId>${project.groupId}</groupId>
           <artifactId>netty-resolver-dns-native-macos</artifactId>
@@ -89,6 +96,13 @@
           <scope>compile</scope>
           <optional>true</optional>
         </dependency>
+        <dependency>
+          <groupId>${project.groupId}</groupId>
+          <artifactId>netty-resolver-dns-native-macos</artifactId>
+          <classifier>osx-aarch_64</classifier>
+          <scope>compile</scope>
+          <optional>true</optional>
+        </dependency>
       </dependencies>
     </profile>
     <profile>
@@ -118,6 +132,13 @@
           <scope>compile</scope>
           <optional>true</optional>
         </dependency>
+        <dependency>
+          <groupId>${project.groupId}</groupId>
+          <artifactId>netty-transport-native-kqueue</artifactId>
+          <classifier>osx-aarch_64</classifier>
+          <scope>compile</scope>
+          <optional>true</optional>
+        </dependency>
         <dependency>
           <groupId>${project.groupId}</groupId>
           <artifactId>netty-resolver-dns-native-macos</artifactId>
@@ -125,10 +146,17 @@
           <scope>compile</scope>
           <optional>true</optional>
         </dependency>
+        <dependency>
+          <groupId>${project.groupId}</groupId>
+          <artifactId>netty-resolver-dns-native-macos</artifactId>
+          <classifier>osx-aarch_64</classifier>
+          <scope>compile</scope>
+          <optional>true</optional>
+        </dependency>
       </dependencies>
     </profile>
 
-    <!-- The linux profile will only include the native jar for epol to the all jar.
+    <!-- The linux profile will only include the native jar for epoll to the all jar.
          If you want to also include the native jar for kqueue use -Puber.
     -->
     <profile>
diff --git a/bom/pom.xml b/bom/pom.xml
index e22b1c7ba5..778d85e3d8 100644
--- a/bom/pom.xml
+++ b/bom/pom.xml
@@ -192,6 +192,12 @@
         <version>5.0.0.Final-SNAPSHOT</version>
         <classifier>osx-x86_64</classifier>
       </dependency>
+      <dependency>
+        <groupId>io.netty</groupId>
+        <artifactId>netty-resolver-dns-native-macos</artifactId>
+        <version>4.1.68.Final-SNAPSHOT</version>
+        <classifier>osx-aarch_64</classifier>
+      </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-unix-common</artifactId>
@@ -215,6 +221,12 @@
         <version>5.0.0.Final-SNAPSHOT</version>
         <classifier>osx-x86_64</classifier>
       </dependency>
+      <dependency>
+        <groupId>io.netty</groupId>
+        <artifactId>netty-transport-native-unix-common</artifactId>
+        <version>4.1.68.Final-SNAPSHOT</version>
+        <classifier>osx-aarch_64</classifier>
+      </dependency>
       <dependency>
         <groupId>io.netty</groupId>
         <artifactId>netty-transport-native-epoll</artifactId>
@@ -243,7 +255,12 @@
         <version>5.0.0.Final-SNAPSHOT</version>
         <classifier>osx-x86_64</classifier>
       </dependency>
-
+      <dependency>
+        <groupId>io.netty</groupId>
+        <artifactId>netty-transport-native-kqueue</artifactId>
+        <version>4.1.68.Final-SNAPSHOT</version>
+        <classifier>osx-aarch_64</classifier>
+      </dependency>
       <!-- Add netty-tcnative* as well as users need to ensure they use the correct version -->
       <dependency>
         <groupId>io.netty</groupId>
diff --git a/resolver-dns-native-macos/pom.xml b/resolver-dns-native-macos/pom.xml
index f2f6cd6adb..380a07b1ea 100644
--- a/resolver-dns-native-macos/pom.xml
+++ b/resolver-dns-native-macos/pom.xml
@@ -132,6 +132,111 @@
         </dependency>
       </dependencies>
     </profile>
+    <profile>
+      <id>mac-m1-cross-compile</id>
+      <properties>
+        <jni.compiler.args.ldflags>LDFLAGS=-arch arm64 -Wl,-weak_library,${unix.common.lib.unpacked.dir}/lib${unix.common.lib.name}.a</jni.compiler.args.ldflags>
+        <jni.compiler.args.cflags>CFLAGS=-target arm64-apple-macos11 -O3 -Werror -fno-omit-frame-pointer -Wunused-variable -fvisibility=hidden -I${unix.common.include.unpacked.dir}</jni.compiler.args.cflags>
+
+        <!-- use aarch_64 as this is also what os.detected.arch will use on an aarch64 system -->
+        <jni.classifier>${os.detected.name}-aarch_64</jni.classifier>
+        <skipTests>true</skipTests>
+      </properties>
+      <build>
+        <plugins>
+          <plugin>
+            <artifactId>maven-dependency-plugin</artifactId>
+            <executions>
+              <!-- unpack the unix-common static library and include files -->
+              <execution>
+                <id>unpack</id>
+                <phase>generate-sources</phase>
+                <goals>
+                  <goal>unpack-dependencies</goal>
+                </goals>
+                <configuration>
+                  <includeGroupIds>${project.groupId}</includeGroupIds>
+                  <includeArtifactIds>netty-transport-native-unix-common</includeArtifactIds>
+                  <classifier>${jni.classifier}</classifier>
+                  <outputDirectory>${unix.common.lib.dir}</outputDirectory>
+                  <includes>META-INF/native/**</includes>
+                  <overWriteReleases>false</overWriteReleases>
+                  <overWriteSnapshots>true</overWriteSnapshots>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+
+          <plugin>
+            <groupId>org.fusesource.hawtjni</groupId>
+            <artifactId>maven-hawtjni-plugin</artifactId>
+            <executions>
+              <execution>
+                <id>build-native-lib</id>
+                <configuration>
+                  <name>netty_resolver_dns_native_macos_aarch_64</name>
+                  <nativeSourceDirectory>${project.basedir}/src/main/c</nativeSourceDirectory>
+                  <libDirectory>${project.build.outputDirectory}</libDirectory>
+                  <!-- We use Maven's artifact classifier instead.
+                       This hack will make the hawtjni plugin to put the native library
+                       under 'META-INF/native' rather than 'META-INF/native/${platform}'. -->
+                  <platform>.</platform>
+                  <configureArgs>
+                    <arg>${jni.compiler.args.ldflags}</arg>
+                    <arg>${jni.compiler.args.cflags}</arg>
+                    <configureArg>--host=aarch64-apple-darwin</configureArg>
+                  </configureArgs>
+                </configuration>
+                <goals>
+                  <goal>generate</goal>
+                  <goal>build</goal>
+                </goals>
+              </execution>
+            </executions>
+          </plugin>
+
+          <plugin>
+            <artifactId>maven-jar-plugin</artifactId>
+            <executions>
+              <!-- Generate the JAR that contains the native library in it. -->
+              <execution>
+                <id>native-jar</id>
+                <goals>
+                  <goal>jar</goal>
+                </goals>
+                <configuration>
+                  <archive>
+                    <manifest>
+                      <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+                    </manifest>
+                    <manifestEntries>
+                      <Bundle-NativeCode>META-INF/native/libnetty_resolver_dns_native_macos_aarch_64.jnilib; osname=MacOSX; processor=aarch_64</Bundle-NativeCode>
+                      <Automatic-Module-Name>${javaModuleName}</Automatic-Module-Name>
+                    </manifestEntries>
+                    <index>true</index>
+                    <manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
+                  </archive>
+                  <classifier>${jni.classifier}</classifier>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+      <dependencies>
+        <dependency>
+          <groupId>io.netty</groupId>
+          <artifactId>netty-transport-native-unix-common</artifactId>
+          <version>${project.version}</version>
+          <classifier>${jni.classifier}</classifier>
+          <!--
+          The unix-common with classifier dependency is optional because it is not a runtime dependency, but a build time
+          dependency to get the static library which is built directly into the shared library generated by this project.
+          -->
+          <optional>true</optional>
+        </dependency>
+      </dependencies>
+    </profile>
   </profiles>
 
   <properties>
diff --git a/scripts/finish_release.sh b/scripts/finish_release.sh
index 22f1b67f57..193904cae2 100755
--- a/scripts/finish_release.sh
+++ b/scripts/finish_release.sh
@@ -41,6 +41,7 @@ git checkout "$2"
 export JAVA_HOME="$JAVA8_HOME"
 
 ./mvnw -Psonatype-oss-release -am -pl resolver-dns-native-macos,transport-native-unix-common,transport-native-kqueue clean package gpg:sign org.sonatype.plugins:nexus-staging-maven-plugin:deploy -DstagingRepositoryId="$1" -DnexusUrl=https://oss.sonatype.org -DserverId=sonatype-nexus-staging -DskipTests=true
+./mvnw -Psonatype-oss-release,mac-m1-cross-compile -am -pl resolver-dns-native-macos,transport-native-unix-common,transport-native-kqueue clean package gpg:sign org.sonatype.plugins:nexus-staging-maven-plugin:deploy -DstagingRepositoryId="$1" -DnexusUrl=https://oss.sonatype.org -DserverId=sonatype-nexus-staging -DskipTests=true
 
 ./mvnw -Psonatype-oss-release,full,uber-staging -pl all clean package gpg:sign org.sonatype.plugins:nexus-staging-maven-plugin:deploy -DstagingRepositoryId="$1" -DnexusUrl=https://oss.sonatype.org -DserverId=sonatype-nexus-staging -DskipTests=true
 
diff --git a/transport-native-kqueue/pom.xml b/transport-native-kqueue/pom.xml
index c9fd3968c6..da016fcb86 100644
--- a/transport-native-kqueue/pom.xml
+++ b/transport-native-kqueue/pom.xml
@@ -137,6 +137,111 @@
         </dependency>
       </dependencies>
     </profile>
+    <profile>
+      <id>mac-m1-cross-compile</id>
+      <properties>
+        <!-- use aarch_64 as this is also what os.detected.arch will use on an aarch64 system -->
+        <jni.classifier>${os.detected.name}-aarch_64</jni.classifier>
+        <jni.compiler.args.cflags>CFLAGS=-target arm64-apple-macos11 -O3 -Werror -fno-omit-frame-pointer -Wunused-variable -fvisibility=hidden -I${unix.common.include.unpacked.dir}</jni.compiler.args.cflags>
+        <jni.compiler.args.ldflags>LDFLAGS=-arch arm64 -Wl,-weak_library,${unix.common.lib.unpacked.dir}/lib${unix.common.lib.name}.a</jni.compiler.args.ldflags>
+        <skipTests>true</skipTests>
+      </properties>
+      <build>
+        <plugins>
+          <plugin>
+            <artifactId>maven-dependency-plugin</artifactId>
+            <executions>
+              <!-- unpack the unix-common static library and include files -->
+              <execution>
+                <id>unpack</id>
+                <phase>generate-sources</phase>
+                <goals>
+                  <goal>unpack-dependencies</goal>
+                </goals>
+                <configuration>
+                  <includeGroupIds>${project.groupId}</includeGroupIds>
+                  <includeArtifactIds>netty-transport-native-unix-common</includeArtifactIds>
+                  <classifier>${jni.classifier}</classifier>
+                  <outputDirectory>${unix.common.lib.dir}</outputDirectory>
+                  <includes>META-INF/native/**</includes>
+                  <overWriteReleases>false</overWriteReleases>
+                  <overWriteSnapshots>true</overWriteSnapshots>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+
+          <plugin>
+            <groupId>org.fusesource.hawtjni</groupId>
+            <artifactId>maven-hawtjni-plugin</artifactId>
+            <executions>
+              <execution>
+                <id>build-native-lib</id>
+                <configuration>
+                  <name>netty_transport_native_kqueue_aarch_64</name>
+                  <nativeSourceDirectory>${nativeSourceDirectory}</nativeSourceDirectory>
+                  <libDirectory>${project.build.outputDirectory}</libDirectory>
+                  <!-- We use Maven's artifact classifier instead.
+                       This hack will make the hawtjni plugin to put the native library
+                       under 'META-INF/native' rather than 'META-INF/native/${platform}'. -->
+                  <platform>.</platform>
+                  <configureArgs>
+                    <arg>${jni.compiler.args.ldflags}</arg>
+                    <arg>${jni.compiler.args.cflags}</arg>
+                    <configureArg>--host=aarch64-apple-darwin</configureArg>
+                    <configureArg>--libdir=${project.build.directory}/native-build/target/lib</configureArg>
+                  </configureArgs>
+                </configuration>
+                <goals>
+                  <goal>generate</goal>
+                  <goal>build</goal>
+                </goals>
+              </execution>
+            </executions>
+          </plugin>
+
+          <plugin>
+            <artifactId>maven-jar-plugin</artifactId>
+            <executions>
+              <!-- Generate the JAR that contains the native library in it. -->
+              <execution>
+                <id>native-jar</id>
+                <goals>
+                  <goal>jar</goal>
+                </goals>
+                <configuration>
+                  <archive>
+                    <manifest>
+                      <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+                    </manifest>
+                    <manifestEntries>
+                      <Bundle-NativeCode>META-INF/native/libnetty_transport_native_kqueue_aarch_64.jnilib; osname=MacOSX; processor=aarch_64</Bundle-NativeCode>
+                      <Automatic-Module-Name>${javaModuleName}</Automatic-Module-Name>
+                    </manifestEntries>
+                    <index>true</index>
+                    <manifestFile>${project.build.outputDirectory}/META-INF/MANIFEST.MF</manifestFile>
+                  </archive>
+                  <classifier>${jni.classifier}</classifier>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+      <dependencies>
+        <dependency>
+          <groupId>io.netty</groupId>
+          <artifactId>netty-transport-native-unix-common</artifactId>
+          <version>${project.version}</version>
+          <classifier>${jni.classifier}</classifier>
+          <!--
+          The unix-common with classifier dependency is optional because it is not a runtime dependency, but a build time
+          dependency to get the static library which is built directly into the shared library generated by this project.
+          -->
+          <optional>true</optional>
+        </dependency>
+      </dependencies>
+    </profile>
     <profile>
       <id>openbsd</id>
       <activation>
diff --git a/transport-native-unix-common/pom.xml b/transport-native-unix-common/pom.xml
index 41fcf3d8c9..ed7ccd3a3a 100644
--- a/transport-native-unix-common/pom.xml
+++ b/transport-native-unix-common/pom.xml
@@ -169,6 +169,75 @@
         </plugins>
       </build>
     </profile>
+    <profile>
+      <id>mac-m1-cross-compile</id>
+      <properties>
+        <exe.compiler>clang</exe.compiler>
+        <jni.platform>darwin</jni.platform>
+        <!-- use aarch_64 as this is also what os.detected.arch will use on an aarch64 system -->
+        <jni.classifier>${os.detected.name}-aarch_64</jni.classifier>
+      </properties>
+      <build>
+        <plugins>
+          <plugin>
+            <artifactId>maven-antrun-plugin</artifactId>
+            <executions>
+              <!-- Build the additional JAR that contains the native library. -->
+              <execution>
+                <id>native-jar</id>
+                <phase>package</phase>
+                <goals>
+                  <goal>run</goal>
+                </goals>
+                <configuration>
+                  <target>
+                    <copy todir="${nativeJarWorkdir}">
+                      <zipfileset src="${defaultJarFile}" />
+                    </copy>
+                    <copy todir="${nativeJarWorkdir}" includeEmptyDirs="false">
+                      <zipfileset dir="${nativeLibOnlyDir}" />
+                      <regexpmapper handledirsep="yes" from="^(?:[^/]+/)*([^/]+)$" to="META-INF/native/lib/\1" />
+                    </copy>
+                    <copy todir="${nativeJarWorkdir}" includeEmptyDirs="false">
+                      <zipfileset dir="${nativeIncludeDir}" />
+                      <regexpmapper handledirsep="yes" from="^(?:[^/]+/)*([^/]+).h$" to="META-INF/native/include/\1.h" />
+                    </copy>
+                    <copy todir="${nativeJarWorkdir}" includeEmptyDirs="false">
+                      <zipfileset dir="${jniUtilIncludeDir}" />
+                      <regexpmapper handledirsep="yes" from="^(?:[^/]+/)*([^/]+).h$" to="META-INF/native/include/\1.h" />
+                    </copy>
+                    <jar destfile="${nativeJarFile}" manifest="${nativeJarWorkdir}/META-INF/MANIFEST.MF" basedir="${nativeJarWorkdir}" index="true" excludes="META-INF/MANIFEST.MF,META-INF/INDEX.LIST" />
+                    <attachartifact file="${nativeJarFile}" classifier="${jni.classifier}" type="jar" />
+                  </target>
+                </configuration>
+              </execution>
+              <!-- invoke the make file to build a static library -->
+              <execution>
+                <id>build-native-lib</id>
+                <phase>generate-sources</phase>
+                <goals>
+                  <goal>run</goal>
+                </goals>
+                <configuration>
+                  <target>
+                    <exec executable="${exe.make}" failonerror="true" resolveexecutable="true">
+                      <env key="CC" value="${exe.compiler}" />
+                      <env key="AR" value="${exe.archiver}" />
+                      <env key="LIB_DIR" value="${nativeLibOnlyDir}" />
+                      <env key="OBJ_DIR" value="${nativeObjsOnlyDir}" />
+                      <env key="JNI_PLATFORM" value="${jni.platform}" />
+                      <env key="CFLAGS" value="-target arm64-apple-macos11 -O3 -Werror -Wno-attributes -fPIC -fno-omit-frame-pointer -Wunused-variable -fvisibility=hidden" />
+                      <env key="LDFLAGS" value="-arch arm64 -Wl,--no-as-needed -lrt" />
+                      <env key="LIB_NAME" value="${nativeLibName}" />
+                    </exec>
+                  </target>
+                </configuration>
+              </execution>
+            </executions>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
     <profile>
       <id>linux</id>
       <activation>