Enabling dynamic linking on Linux

Author: JaroslavTulach

build.sbt

@@ -4249,7 +4249,7 @@ lazy val `os-environment` =
         val targetDir = (Test / target).value
         NativeImage.buildNativeImage(
           "test-os-env",
-          staticOnLinux = true,
+          staticOnLinux = false,
           targetDir     = targetDir,
           mainClass     = Some("org.enso.os.environment.TestRunner"),
           additionalOptions = Seq(

lib/java/os-environment/src/main/java/org/enso/os/environment/jni/PosixJVM.java

@@ -40,7 +40,10 @@ static JVM createImpl(String javaHome) {
         var createJvm = CTypeConversion.toCString("JNI_CreateJavaVM")) {
       var jvmSo = dlopen(libPath.get(), RTLD_NOW());
       assert jvmSo.isNonNull()
-          : "Cannot load dynamic library " + libJvmPath + " raw: " + jvmSo.rawValue();
+          : "Cannot load dynamic library "
+              + libJvmPath
+              + " error: "
+              + CTypeConversion.toJavaString(dlerror());
       JNIBoot.JNICreateJavaVMPointer createJvmFn = dlsym(jvmSo, createJvm.get());
       int res = createJvmFn.call(jvmPtr, envPtr, jvmArgs);
       assert res == 0;
@@ -65,6 +68,9 @@ private static File findDynamicLibrary(String javaHome) {
   @CFunction(transition = CFunction.Transition.NO_TRANSITION)
   static native <T extends PointerBase> T dlsym(PointerBase handle, CCharPointer name);
 
+  @CFunction
+  static native CCharPointer dlerror();
+
   static final class Direct implements CContext.Directives {
 
     @Override