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

2 files changed, 30 insertions, 3 deletions

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;