iOS: Initial iOS support commit: build.xml targets, java code-path etc

Current build system for JogAmp iOS Build is:

- Build Machine: OSX Mojave 10.14

- Using own (still proprietary) OpenJDK 9 iOS Build

- OpenJDK 1.8 (This will be replaced by OpenJDK 11 soon)

- Xcode 10.2

8 files changed, 48 insertions, 11 deletions

diff --git a/src/java/com/jogamp/common/os/MachineDataInfo.java b/src/java/com/jogamp/common/os/MachineDataInfo.java
index 0192cd8..d6fa28c 100644
--- a/src/java/com/jogamp/common/os/MachineDataInfo.java
+++ b/src/java/com/jogamp/common/os/MachineDataInfo.java
@@ -64,6 +64,7 @@ public class MachineDataInfo {
   private final static int[] size_x86_32_windows  =  { 4,    4,     4,     8,     12,    4,   4096 };
   private final static int[] size_lp64_unix       =  { 4,    8,     4,     8,     16,    8,   4096 };
   private final static int[] size_x86_64_windows  =  { 4,    4,     4,     8,     16,    8,   4096 };
+  private final static int[] size_arm64_ios       =  { 4,    8,     4,     8,      8,    8,   8192 };
 
   /*                               arch   os          i8, i16, i32, i64, int, long, float, doubl, ldoubl, ptr */
   private final static int[] align_arm_mips_32    =  { 1,   2,   4,   8,   4,    4,     4,     8,      8,   4 };
@@ -74,11 +75,12 @@ public class MachineDataInfo {
   private final static int[] align_x86_32_windows =  { 1,   2,   4,   8,   4,    4,     4,     8,      4,   4 };
   private final static int[] align_lp64_unix      =  { 1,   2,   4,   8,   4,    8,     4,     8,     16,   8 };
   private final static int[] align_x86_64_windows =  { 1,   2,   4,   8,   4,    4,     4,     8,     16,   8 };
+  private final static int[] align_arm64_ios      =  { 1,   2,   4,   8,   4,    8,     4,     8,      8,   8 };
 
   /**
    * Static enumeration of {@link MachineDataInfo} instances
    * used for high performance data size and alignment lookups,
-   * e.g. for generated structures.
+   * e.g. for generated structures using the {@link MachineDataInfo.StaticConfig} index.
    * <p>
    * The value {@link MachineDataInfo#pageSizeInBytes} shall be ignored
    * for static instances!
@@ -109,8 +111,10 @@ public class MachineDataInfo {
       /** LP64 Unix, e.g.: {@link Platform.CPUType#X86_64} Unix, {@link Platform.CPUType#ARM64} EABI, {@link Platform.CPUType#PPC64} Unix, .. */
       LP64_UNIX(      size_lp64_unix,    align_lp64_unix),
       /** {@link Platform.CPUType#X86_64} Windows */
-      X86_64_WINDOWS( size_x86_64_windows, align_x86_64_windows);
-      // 8
+      X86_64_WINDOWS( size_x86_64_windows, align_x86_64_windows),
+      /** {@link Platform.CPUType#ARM64 } iOS */
+      ARM64_IOS( size_arm64_ios, align_arm64_ios);
+      // 9
 
       public final MachineDataInfo md;
 
diff --git a/src/java/com/jogamp/common/os/NativeLibrary.java b/src/java/com/jogamp/common/os/NativeLibrary.java
index 7c6aeca..6daceae 100644
--- a/src/java/com/jogamp/common/os/NativeLibrary.java
+++ b/src/java/com/jogamp/common/os/NativeLibrary.java
@@ -89,6 +89,7 @@ public final class NativeLibrary implements DynamicLookupHelper {
         break;
 
       case MACOS:
+      case IOS:
         prefixes = new String[] { "lib" };
         suffixes = new String[] { ".dylib", ".jnilib" };
         isOSX = true;
@@ -217,6 +218,7 @@ public final class NativeLibrary implements DynamicLookupHelper {
         break;
 
       case MACOS:
+      case IOS:
         dynLink = new MacOSXDynamicLinkerImpl();
         break;
 
@@ -526,6 +528,7 @@ public final class NativeLibrary implements DynamicLookupHelper {
         return windowsLibName;
 
       case MACOS:
+      case IOS:
         return macOSXLibName;
 
       default:
@@ -602,7 +605,7 @@ public final class NativeLibrary implements DynamicLookupHelper {
   private static Method  findLibraryMethod = null;
   private static final String findLibraryImpl(final String libName, final ClassLoader loader) {
     if (loader == null) {
-      return null;
+        return null;
     }
     if (!initializedFindLibraryMethod) {
       AccessController.doPrivileged(new PrivilegedAction<Object>() {
diff --git a/src/java/com/jogamp/common/os/Platform.java b/src/java/com/jogamp/common/os/Platform.java
index 535b8a9..f995af3 100644
--- a/src/java/com/jogamp/common/os/Platform.java
+++ b/src/java/com/jogamp/common/os/Platform.java
@@ -58,7 +58,7 @@ import jogamp.common.os.PlatformPropsImpl;
 public class Platform extends PlatformPropsImpl {
 
     public enum OSType {
-        LINUX, FREEBSD, ANDROID, MACOS, SUNOS, HPUX, WINDOWS, OPENKODE;
+        LINUX, FREEBSD, ANDROID, MACOS, SUNOS, HPUX, WINDOWS, OPENKODE, IOS;
     }
 
     public enum CPUFamily {
@@ -302,7 +302,8 @@ public class Platform extends PlatformPropsImpl {
                 }
                 _isRunningFromJarURL[0] = null != platformClassJarURI;
 
-                _USE_TEMP_JAR_CACHE[0] = ( OS_TYPE != OSType.ANDROID ) && ( null != platformClassJarURI ) &&
+                _USE_TEMP_JAR_CACHE[0] = ( OS_TYPE != OSType.ANDROID ) && ( OS_TYPE != OSType.IOS ) &&
+                                         ( null != platformClassJarURI ) &&
                                          PropertyAccess.getBooleanProperty(useTempJarCachePropName, true, true);
 
                 // load GluegenRT native library
diff --git a/src/java/com/jogamp/common/util/IOUtil.java b/src/java/com/jogamp/common/util/IOUtil.java
index 0bee22b..380cb00 100644
--- a/src/java/com/jogamp/common/util/IOUtil.java
+++ b/src/java/com/jogamp/common/util/IOUtil.java
@@ -863,6 +863,7 @@ public class IOUtil {
         switch(PlatformPropsImpl.OS_TYPE) {
             case ANDROID:
             case MACOS:
+            case IOS:
             case WINDOWS:
             case OPENKODE:
               return false;
@@ -1273,7 +1274,7 @@ public class IOUtil {
 
                     // 1) java.io.tmpdir/jogamp
                     if( null == tempRootExec && null != java_io_tmpdir ) {
-                        if( Platform.OSType.MACOS == PlatformPropsImpl.OS_TYPE ) {
+                        if( Platform.OSType.MACOS == PlatformPropsImpl.OS_TYPE || Platform.OSType.IOS == PlatformPropsImpl.OS_TYPE ) {
                             // Bug 865: Safari >= 6.1 [OSX] May employ xattr on 'com.apple.quarantine' on 'PluginProcess.app'
                             // We attempt to fix this issue _after_ gluegen native lib is loaded, see JarUtil.fixNativeLibAttribs(File).
                             tempRootExec = getSubTempDir(java_io_tmpdir, tmpSubDir, false /* executable */, "tempX1");
diff --git a/src/java/com/jogamp/common/util/JarUtil.java b/src/java/com/jogamp/common/util/JarUtil.java
index d6c8fd4..aa5719c 100644
--- a/src/java/com/jogamp/common/util/JarUtil.java
+++ b/src/java/com/jogamp/common/util/JarUtil.java
@@ -660,7 +660,7 @@ public class JarUtil {
         // We tolerate UnsatisfiedLinkError (and derived) to solve the chicken and egg problem
         // of loading gluegen's native library.
         // On Safari(OSX), Bug 865, we simply hope the destination folder is executable.
-        if( Platform.OSType.MACOS == Platform.getOSType() ) {
+        if( Platform.OSType.MACOS == Platform.getOSType() || Platform.OSType.IOS == Platform.getOSType() ) {
             final String fileAbsPath = file.getAbsolutePath();
             try {
                 fixNativeLibAttribs(fileAbsPath);
diff --git a/src/java/com/jogamp/common/util/VersionUtil.java b/src/java/com/jogamp/common/util/VersionUtil.java
index 6fec8fa..b9e8568 100644
--- a/src/java/com/jogamp/common/util/VersionUtil.java
+++ b/src/java/com/jogamp/common/util/VersionUtil.java
@@ -75,6 +75,7 @@ public class VersionUtil {
         sb.append("Platform: Java Vendor: ").append(Platform.getJavaVendor()).append(", ").append(Platform.getJavaVendorURL());
         sb.append(", JavaSE: ").append(PlatformPropsImpl.JAVA_SE);
         sb.append(", Java6: ").append(PlatformPropsImpl.JAVA_6);
+        sb.append(", dynamicLib: ").append(PlatformPropsImpl.useDynamicLibraries);
         sb.append(", AWT enabled: ").append(Platform.AWT_AVAILABLE);
         sb.append(Platform.getNewline()).append(SEPERATOR);
 
diff --git a/src/java/jogamp/common/os/MachineDataInfoRuntime.java b/src/java/jogamp/common/os/MachineDataInfoRuntime.java
index af90cc5..625e537 100644
--- a/src/java/jogamp/common/os/MachineDataInfoRuntime.java
+++ b/src/java/jogamp/common/os/MachineDataInfoRuntime.java
@@ -71,6 +71,11 @@ public class MachineDataInfoRuntime {
       }
       throw new InternalError("Already initialized");
   }
+  /**
+   * The static {@link MachineDataInfo} is utilized for high performance
+   * precompiled size, offset, etc table lookup within generated structures
+   * using the {@link MachineDataInfo.StaticConfig} index.
+   */
   public static MachineDataInfo.StaticConfig getStatic() {
       if(!initialized) {
           synchronized(MachineDataInfo.class) { // volatile dbl-checked-locking OK
@@ -110,8 +115,10 @@ public class MachineDataInfoRuntime {
               return StaticConfig.X86_32_UNIX;
           }
       } else {
-          if( osType == Platform.OSType.WINDOWS ) {
+          if( Platform.OSType.WINDOWS == osType ) {
               return StaticConfig.X86_64_WINDOWS;
+          } else if( Platform.OSType.IOS == osType &&  Platform.CPUType.ARM64 == cpuType ) {
+              return StaticConfig.ARM64_IOS;
           } else {
               // for all 64bit unix types (x86_64, aarch64, sparcv9, ..)
               return StaticConfig.LP64_UNIX;
diff --git a/src/java/jogamp/common/os/PlatformPropsImpl.java b/src/java/jogamp/common/os/PlatformPropsImpl.java
index 55335c1..f929ab7 100644
--- a/src/java/jogamp/common/os/PlatformPropsImpl.java
+++ b/src/java/jogamp/common/os/PlatformPropsImpl.java
@@ -38,7 +38,7 @@ import com.jogamp.common.util.VersionNumber;
 public abstract class PlatformPropsImpl {
     static final boolean DEBUG = Debug.debug("Platform");
 
-    /** Selected {@link Platform.OSType#MACOS} {@link VersionNumber}s. */
+    /** Selected {@link Platform.OSType#MACOS} or {@link Platform.OSType#IOS} {@link VersionNumber}s. */
     public static class OSXVersion {
         /** OSX Tiger, i.e. 10.4.0 */
         public static final VersionNumber Tiger = new VersionNumber(10,4,0);
@@ -101,6 +101,14 @@ public abstract class PlatformPropsImpl {
     public static final ABIType ABI_TYPE;
     public static final OSType OS_TYPE;
     public static final String os_and_arch;
+    /**
+     * Usually GlueGen and subsequent JogAmp modules are build using dynamic libraries on supported platforms,
+     * hence this boolean is expected to be true.
+     * <p>
+     * However, on certain systems static libraries are being used on which native JNI library loading is disabled.
+     * </p>
+     */
+    public static final boolean useDynamicLibraries;
 
     static {
         Version16 = new VersionNumber(1, 6, 0);
@@ -318,8 +326,13 @@ public abstract class PlatformPropsImpl {
                 strategy = 220;
             }
         }
+        if( OSType.IOS == OS_TYPE ) {
+            useDynamicLibraries = false;
+        } else {
+            useDynamicLibraries = true;
+        }
         if( DEBUG ) {
-            System.err.println("Platform.Hard: ARCH "+ARCH+", CPU_ARCH "+CPU_ARCH+", ABI_TYPE "+ABI_TYPE+" - strategy "+strategy+"(isAndroid "+isAndroid+", elfValid "+elfValid+")");
+            System.err.println("Platform.Hard: ARCH "+ARCH+", CPU_ARCH "+CPU_ARCH+", ABI_TYPE "+ABI_TYPE+" - strategy "+strategy+"(isAndroid "+isAndroid+", elfValid "+elfValid+"), useDynLibs "+useDynamicLibraries);
         }
         os_and_arch = getOSAndArch(OS_TYPE, CPU_ARCH, ABI_TYPE, LITTLE_ENDIAN);
     }
@@ -492,6 +505,9 @@ public abstract class PlatformPropsImpl {
         if ( osLower.startsWith("kd") ) {
             return OSType.OPENKODE;
         }
+        if ( osLower.startsWith("ios") ) {
+            return OSType.IOS;
+        }
         throw new RuntimeException("Please port OS detection to your platform (" + OS_lower + "/" + ARCH_lower + ")");
     }
 
@@ -607,6 +623,10 @@ public abstract class PlatformPropsImpl {
               os_ = "macosx";
               _and_arch_final = "universal";
               break;
+            case IOS:
+              os_ = "ios";
+              _and_arch_final = _and_arch_tmp;
+              break;
             case WINDOWS:
               os_ = "windows";
               _and_arch_final = _and_arch_tmp;