Build mostly static native image, loose linux glibc requirement to 2.12 (#730)

.github/workflows/early-access.yaml

@@ -57,8 +57,25 @@ jobs:
           components: 'native-image'
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: 'Maven clean'
+        run: ./mvnw clean -Dmrm=false -B -ntp -e
+
+      - name: 'Patch Graal libs for only requiring glibc 2.12'
+        shell: bash
+        run: |
+          if [[ $OS == linux ]] && [[ $GRAALVM_HOME ]] && [[ -d "$GRAALVM_HOME/lib/static/linux-amd64/glibc" ]]; then
+            mkdir -p client/target/graalvm-libs-for-glibc-2.12
+            echo "memcpy memcpy@GLIBC_2.2.5" >client/target/glibc.redef
+            echo "posix_spawn posix_spawn@GLIBC_2.2.5" >>client/target/glibc.redef
+            find "$GRAALVM_HOME/lib/static/linux-amd64/glibc" -name '*.a' | while IFS= read -r input; do
+              output="client/target/graalvm-libs-for-glibc-2.12/$(basename -- "$input")"
+              objcopy --redefine-syms=client/target/glibc.redef -- "$input" "$output" 2>/dev/null
+            done
+            find /usr/lib -name libz.a | xargs -r -I {} objcopy --redefine-syms=client/target/glibc.redef {} client/target/graalvm-libs-for-glibc-2.12/libz.a
+          fi
+
       - name: 'Build native distribution'
-        run: ./mvnw clean verify -Pnative -Dmrm=false -B -ntp -e
+        run: ./mvnw verify -Pnative -Dmrm=false -B -ntp -e
 
       - name: 'Upload daemon test logs'
         if: always()

.github/workflows/release.yaml

@@ -58,8 +58,25 @@ jobs:
           components: 'native-image'
           github-token: ${{ secrets.GITHUB_TOKEN }}
 
+      - name: 'Maven clean'
+        run: ./mvnw clean -Dmrm=false -B -ntp -e
+
+      - name: 'Patch Graal libs for only requiring glibc 2.12'
+        shell: bash
+        run: |
+          if [[ $OS == linux ]] && [[ $GRAALVM_HOME ]] && [[ -d "$GRAALVM_HOME/lib/static/linux-amd64/glibc" ]]; then
+            mkdir -p client/target/graalvm-libs-for-glibc-2.12
+            echo "memcpy memcpy@GLIBC_2.2.5" >client/target/glibc.redef
+            echo "posix_spawn posix_spawn@GLIBC_2.2.5" >>client/target/glibc.redef
+            find "$GRAALVM_HOME/lib/static/linux-amd64/glibc" -name '*.a' | while IFS= read -r input; do
+              output="client/target/graalvm-libs-for-glibc-2.12/$(basename -- "$input")"
+              objcopy --redefine-syms=client/target/glibc.redef -- "$input" "$output" 2>/dev/null
+            done
+            find /usr/lib -name libz.a | xargs -r -I {} objcopy --redefine-syms=client/target/glibc.redef {} client/target/graalvm-libs-for-glibc-2.12/libz.a
+          fi
+
       - name: 'Build native distribution'
-        run: ./mvnw clean verify -Pnative -Dmrm=false -B -ntp -e -DskipTests
+        run: ./mvnw verify -Pnative -Dmrm=false -B -ntp -e -DskipTests
 
       - name: 'Upload artifact'
         uses: actions/upload-artifact@v2

client/pom.xml

@@ -33,6 +33,8 @@
   <properties>
     <maven.compiler.target>11</maven.compiler.target>
     <maven.compiler.source>11</maven.compiler.source>
+    <graalvm-native-static-opt/>
+    <graalvm-native-glibc-opt/>
   </properties>
 
   <dependencies>
@@ -134,8 +136,34 @@
 
   <profiles>
     <profile>
-      <id>native</id>
+      <id>enable-partial-static-native</id>
+      <activation>
+        <os>
+          <family>!mac</family>
+        </os>
+      </activation>
+      <properties>
+        <graalvm-native-static-opt>-H:+StaticExecutableWithDynamicLibC</graalvm-native-static-opt>
+      </properties>
+    </profile>
 
+    <profile>
+      <id>linux-image-only-require-glibc-2.12</id>
+      <activation>
+        <os>
+          <family>linux</family>
+        </os>
+        <file>
+          <exists>target/graalvm-libs-for-glibc-2.12</exists>
+        </file>
+      </activation>
+      <properties>
+        <graalvm-native-glibc-opt>-H:CLibraryPath=${project.build.directory}/graalvm-libs-for-glibc-2.12</graalvm-native-glibc-opt>
+      </properties>
+    </profile>
+
+    <profile>
+      <id>native</id>
       <build>
         <plugins>
           <plugin>
@@ -146,13 +174,16 @@
               <mainClass>org.mvndaemon.mvnd.client.DefaultClient</mainClass>
               <imageName>mvnd</imageName>
               <buildArgs>--no-server
-                                --no-fallback
-                                --allow-incomplete-classpath
-                                -H:IncludeResources=org/mvndaemon/mvnd/.*
-                                -H:IncludeResources=mvnd-bash-completion.bash
-                                -H:-ParseRuntimeOptions
-                                -H:+AddAllCharsets
-                                -ea</buildArgs>
+                         --no-fallback
+                         --allow-incomplete-classpath
+                         ${graalvm-native-static-opt}
+                         ${graalvm-native-glibc-opt}
+                         -H:IncludeResources=org/mvndaemon/mvnd/.*
+                         -H:IncludeResources=mvnd-bash-completion.bash
+                         -H:-ParseRuntimeOptions
+                         -H:+AddAllCharsets
+                         -H:+ReportExceptionStackTraces
+                         -ea</buildArgs>
             </configuration>
             <executions>
               <execution>