From c1eaa2373d11d1751ad3e16861da39ea975185a5 Mon Sep 17 00:00:00 2001
From: Foivos Zakkak <fzakkak@redhat.com>
Date: Fri, 26 Jan 2024 14:21:38 +0200
Subject: [PATCH] Only build and include svm-foreign when building with JDK >
 21

Since https://github.com/oracle/graal/pull/7980 the foreign API is only
available for JDK >= 22 builds.
---
 build.java | 53 +++++++++++++++++++++++++++++++++++------------------
 1 file changed, 35 insertions(+), 18 deletions(-)

diff --git a/build.java b/build.java
index a8e5c16..0bb4bb6 100644
--- a/build.java
+++ b/build.java
@@ -138,10 +138,13 @@ public static void main(String... args) throws IOException
                 FileSystem.copy(mandrelRepo.resolve(
                     Path.of("sdk", "mxbuild", PLATFORM, "native-image.exe.image-bash", "native-image.export-list")), nativeImageExport);
             }
-            logger.debugf("Copy svm-preview...");
-            final Path svmForeign = mandrelJavaHome.resolve(Path.of("lib", "svm-preview", "builder", "svm-foreign.jar"));
-            final Path svmForeignSource = PathFinder.getFirstExisting(mandrelRepo.resolve(Path.of("substratevm", "mxbuild")).toString(), "svm-foreign.jar");
-            FileSystem.copy(svmForeignSource, svmForeign);
+            if (Runtime.version().feature() > 21)
+            {
+                logger.debugf("Copy svm-preview...");
+                final Path svmForeign = mandrelJavaHome.resolve(Path.of("lib", "svm-preview", "builder", "svm-foreign.jar"));
+                final Path svmForeignSource = PathFinder.getFirstExisting(mandrelRepo.resolve(Path.of("substratevm", "mxbuild")).toString(), "svm-foreign.jar");
+                FileSystem.copy(svmForeignSource, svmForeign);
+            }
         }
 
         if (!options.skipNative)
@@ -854,20 +857,34 @@ class Mx
     private static final Pattern DEPENDENCY_VERSION_PATTERN =
         Pattern.compile("\"version\"\\s*:\\s*\"([0-9.]*)\"");
 
-    static final List<BuildArgs> BUILD_JAVA_STEPS = List.of(
-        BuildArgs.of("--no-native", "--dependencies", "SVM,SVM_FOREIGN,GRAAL_SDK,SVM_DRIVER,SVM_AGENT,SVM_DIAGNOSTICS_AGENT")
-        , BuildArgs.of("--only",
-            build.IS_WINDOWS ?
-                "native-image.exe.image-bash," +
-                    "native-image-agent-library_native-image.properties," +
-                    "native-image-launcher_native-image.properties," +
-                    "native-image-diagnostics-agent-library_native-image.properties"
-                :
-                "native-image.image-bash," +
-                    "native-image-agent-library_native-image.properties," +
-                    "native-image-launcher_native-image.properties," +
-                    "native-image-diagnostics-agent-library_native-image.properties")
-    );
+    static final List<BuildArgs> BUILD_JAVA_STEPS;
+
+    static {
+        String dependencies;
+        if (Runtime.version().feature() > 21)
+        {
+            dependencies = "SVM,SVM_FOREIGN,GRAAL_SDK,SVM_DRIVER,SVM_AGENT,SVM_DIAGNOSTICS_AGENT";
+        }
+        else
+        {
+            dependencies = "SVM,GRAAL_SDK,SVM_DRIVER,SVM_AGENT,SVM_DIAGNOSTICS_AGENT";
+        }
+
+        BUILD_JAVA_STEPS = List.of(
+            BuildArgs.of("--no-native", "--dependencies", dependencies)
+            , BuildArgs.of("--only",
+                build.IS_WINDOWS ?
+                    "native-image.exe.image-bash," +
+                        "native-image-agent-library_native-image.properties," +
+                        "native-image-launcher_native-image.properties," +
+                        "native-image-diagnostics-agent-library_native-image.properties"
+                    :
+                    "native-image.image-bash," +
+                        "native-image-agent-library_native-image.properties," +
+                        "native-image-launcher_native-image.properties," +
+                        "native-image-diagnostics-agent-library_native-image.properties")
+        );
+    }
 
     static final List<BuildArgs> BUILD_NATIVE_STEPS;