google · cowwoc · Sep 21, 2025 · Sep 21, 2025 · Sep 24, 2025 · Sep 24, 2025
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -9,11 +9,8 @@ on:
       - main
 
 jobs:
-  test:
-    name: "JDK ${{ matrix.java }}"
-    strategy:
-      matrix:
-        java: [ 8, 11, 17 ]
+  build:
+    name: "Build with JDK 11"
     runs-on: ubuntu-latest
     steps:
       # Cancel any previous runs for the same branch that are still running.
@@ -30,21 +27,56 @@ jobs:
           key: maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: |
             maven-
+      - name: 'Set up JDK 11'
+        uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165
+        with:
+          java-version: 11
+          distribution: 'zulu'
+      - name: 'Build Multi-Release JAR'
+        shell: bash
+        run: mvn -B process-test-classes -U -f build-pom.xml
+      - name: 'Upload build artifacts'
+        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02
+        with:
+          name: build-artifacts
+          path: |
+            **/target/classes/
+            **/target/*.jar
+          retention-days: 1
+
+  test:
+    name: "Test on JDK ${{ matrix.java }}"
+    strategy:
+      matrix:
+        java: [ 8, 11, 17 ]
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: 'Check out repository'
+        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8
+      - name: 'Cache local Maven repository'
+        uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809
+        with:
+          path: ~/.m2/repository
+          key: maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            maven-
+      - name: 'Download build artifacts'
+        uses: actions/download-artifact@634f93cb2916e3fdff6788551b99b062d0335ce0
+        with:
+          name: build-artifacts
       - name: 'Set up JDK ${{ matrix.java }}'
         uses: actions/setup-java@dded0888837ed1f317902acf8a20df0ad188d165
         with:
           java-version: ${{ matrix.java }}
           distribution: 'zulu'
-      - name: 'Install'
-        shell: bash
-        run: mvn -B dependency:go-offline test clean -U --quiet --fail-never -DskipTests=true -f build-pom.xml
       - name: 'Test'
         shell: bash
-        run: mvn -B verify -U --fail-at-end -Dsource.skip=true -Dmaven.javadoc.skip=true -f build-pom.xml
+        run: mvn -B test -U --fail-at-end -f build-pom.xml
 
   publish_snapshot:
     name: 'Publish snapshot'
-    needs: test
+    needs: [build, test]
     if: github.event_name == 'push' && github.repository == 'google/auto'
     runs-on: ubuntu-latest
     steps:
@@ -75,7 +107,7 @@ jobs:
     permissions:
       contents: write
     name: 'Generate latest docs'
-    needs: test
+    needs: [build, test]
     if: github.event_name == 'push' && github.repository == 'google/auto'
     runs-on: ubuntu-latest
     steps:

diff --git a/build-pom.xml b/build-pom.xml
@@ -7,9 +7,9 @@
   <packaging>pom</packaging>
   <modules>
     <module>common</module>
-    <module>factory</module>
     <module>service</module>
     <module>value</module>
+    <module>factory</module>
   </modules>
   <distributionManagement>
     <repository>

diff --git a/common/pom.xml b/common/pom.xml
@@ -20,7 +20,7 @@
 
   <groupId>com.google.auto</groupId>
   <artifactId>auto-common</artifactId>
-  <version>HEAD-SNAPSHOT</version>
+  <version>999.0.0-SNAPSHOT</version>
   <name>Auto Common Libraries</name>
   <description>
     Common utilities for creating annotation processors.
@@ -29,7 +29,6 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <java.version>1.8</java.version>
     <guava.version>33.5.0-jre</guava.version>
     <truth.version>1.4.5</truth.version>
   </properties>
@@ -111,17 +110,42 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>3.14.1</version>
         <configuration>
-          <source>${java.version}</source>
-          <target>${java.version}</target>
           <compilerArgument>-Xlint:all</compilerArgument>
           <showWarnings>true</showWarnings>
           <showDeprecation>true</showDeprecation>
           <testExcludes combine.children="append" />
         </configuration>
+        <executions>
+          <execution>
+            <id>default-compile</id>
+            <configuration>
+              <release>9</release>
+            </configuration>
+          </execution>
+          <execution>
+            <id>base-compile</id>
+            <goals>
+              <goal>compile</goal>
+            </goals>
+            <configuration>
+              <excludes>
+                <exclude>module-info.java</exclude>
+              </excludes>
+              <release>8</release>
+            </configuration>
+          </execution>
+        </executions>
       </plugin>
       <plugin>
         <artifactId>maven-jar-plugin</artifactId>
         <version>3.4.2</version>
+        <configuration>
+          <archive>
+            <manifestEntries>
+              <Multi-Release>true</Multi-Release>
+            </manifestEntries>
+          </archive>
+        </configuration>
       </plugin>
       <plugin>
         <artifactId>maven-javadoc-plugin</artifactId>

diff --git a/common/src/main/java/module-info.java b/common/src/main/java/module-info.java
@@ -0,0 +1,27 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * 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.
+ */
+
+/**
+ * Common utilities for creating annotation processors.
+ */
+module com.google.auto.common {
+  requires transitive com.google.common;
+  requires transitive org.jspecify;
+  requires transitive java.compiler;
+  requires static com.squareup.javapoet;
+
+  exports com.google.auto.common;
+}
diff --git a/factory/pom.xml b/factory/pom.xml
@@ -21,7 +21,7 @@
 
   <groupId>com.google.auto.factory</groupId>
   <artifactId>auto-factory</artifactId>
-  <version>HEAD-SNAPSHOT</version>
+  <version>999.0.0-SNAPSHOT</version>
   <name>AutoFactory</name>
   <description>
     JSR-330-compatible factories.
@@ -30,9 +30,8 @@
 
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-    <auto-service.version>1.1.1</auto-service.version>
-    <auto-value.version>1.11.0</auto-value.version>
-    <java.version>1.8</java.version>
+    <auto-service.version>999.0.0-SNAPSHOT</auto-service.version>
+    <auto-value.version>999.0.0-SNAPSHOT</auto-value.version>
     <guava.version>33.5.0-jre</guava.version>
     <truth.version>1.4.5</truth.version>
   </properties>
@@ -95,7 +94,7 @@
     <dependency>
       <groupId>com.google.auto</groupId>
       <artifactId>auto-common</artifactId>
-      <version>1.2.2</version>
+      <version>999.0.0-SNAPSHOT</version>
     </dependency>
     <dependency>
       <groupId>com.google.auto.value</groupId>
@@ -180,8 +179,6 @@
         <artifactId>maven-compiler-plugin</artifactId>
         <version>3.14.1</version>
         <configuration>
-          <source>${java.version}</source>
-          <target>${java.version}</target>
           <compilerArgument>-Xlint:all</compilerArgument>
           <showWarnings>true</showWarnings>
           <showDeprecation>true</showDeprecation>
@@ -203,6 +200,60 @@
             </path>
           </annotationProcessorPaths>
         </configuration>
+        <executions>
+          <execution>
+            <id>default-compile</id>
+            <configuration>
+              <release>9</release>
+              <annotationProcessorPaths>
+                <path>
+                  <groupId>com.google.auto.service</groupId>
+                  <artifactId>auto-service</artifactId>
+                  <version>${auto-service.version}</version>
+                </path>
+                <path>
+                  <groupId>com.google.auto.value</groupId>
+                  <artifactId>auto-value</artifactId>
+                  <version>${auto-value.version}</version>
+                </path>
+                <path>
+                  <groupId>net.ltgt.gradle.incap</groupId>
+                  <artifactId>incap-processor</artifactId>
+                  <version>1.0.0</version>
+                </path>
+              </annotationProcessorPaths>
+            </configuration>
+          </execution>
+          <execution>
+            <id>base-compile</id>
+            <goals>
+              <goal>compile</goal>
+            </goals>
+            <configuration>
+              <excludes>
+                <exclude>module-info.java</exclude>
+              </excludes>
+              <release>8</release>
+              <annotationProcessorPaths>
+                <path>
+                  <groupId>com.google.auto.service</groupId>
+                  <artifactId>auto-service</artifactId>
+                  <version>${auto-service.version}</version>
+                </path>
+                <path>
+                  <groupId>com.google.auto.value</groupId>
+                  <artifactId>auto-value</artifactId>
+                  <version>${auto-value.version}</version>
+                </path>
+                <path>
+                  <groupId>net.ltgt.gradle.incap</groupId>
+                  <artifactId>incap-processor</artifactId>
+                  <version>1.0.0</version>
+                </path>
+              </annotationProcessorPaths>
+            </configuration>
+          </execution>
+        </executions>
       </plugin>
       <plugin>
         <artifactId>maven-javadoc-plugin</artifactId>
@@ -241,6 +292,13 @@
       <plugin>
         <artifactId>maven-jar-plugin</artifactId>
         <version>3.4.2</version>
+        <configuration>
+          <archive>
+            <manifestEntries>
+              <Multi-Release>true</Multi-Release>
+            </manifestEntries>
+          </archive>
+        </configuration>
       </plugin>
       <plugin>
         <artifactId>maven-invoker-plugin</artifactId>

diff --git a/factory/src/main/java/module-info.java b/factory/src/main/java/module-info.java
@@ -0,0 +1,33 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * 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.
+ */
+
+/**
+ * JSR-330-compatible factories.
+ */
+module com.google.auto.factory {
+  requires com.google.auto.common;
+  requires com.google.auto.service;
+  requires com.google.auto.value.annotations;
+  requires incap;
+  requires com.squareup.javapoet;
+  requires java.compiler;
+
+  exports com.google.auto.factory;
+  exports com.google.auto.factory.processor;
+
+  provides javax.annotation.processing.Processor
+      with com.google.auto.factory.processor.AutoFactoryProcessor;
+}
diff --git a/service/annotations/pom.xml b/service/annotations/pom.xml
@@ -21,12 +21,11 @@
   <parent>
     <groupId>com.google.auto.service</groupId>
     <artifactId>auto-service-aggregator</artifactId>
-    <version>HEAD-SNAPSHOT</version>
+    <version>999.0.0-SNAPSHOT</version>
   </parent>
 
   <groupId>com.google.auto.service</groupId>
   <artifactId>auto-service-annotations</artifactId>
-  <version>HEAD-SNAPSHOT</version>
   <name>AutoService</name>
   <description>
     Provider-configuration files for ServiceLoader.
@@ -44,21 +43,12 @@
     <plugins>
       <plugin>
         <artifactId>maven-jar-plugin</artifactId>
-        <configuration>
-          <archive>
-            <manifestEntries>
-              <Automatic-Module-Name>com.google.auto.service</Automatic-Module-Name>
-            </manifestEntries>
-          </archive>
-        </configuration>
       </plugin>
       <plugin>
         <artifactId>maven-compiler-plugin</artifactId>
         <configuration>
           <!-- disable processing because the definition in META-INF/services breaks javac -->
           <compilerArgument>-proc:none</compilerArgument>
-          <source>1.8</source>
-          <target>1.8</target>
         </configuration>
       </plugin>
     </plugins>

diff --git a/service/annotations/src/main/java/module-info.java b/service/annotations/src/main/java/module-info.java
@@ -0,0 +1,22 @@
+/*
+ * Copyright 2024 Google LLC
+ *
+ * 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.
+ */
+
+/**
+ * Provider-configuration files for ServiceLoader.
+ */
+module com.google.auto.service {
+  exports com.google.auto.service;
+}