Fix libary location for Java >=9. Fix kivy#304

setup.py

@@ -119,6 +119,18 @@ def compile_native_invocation_handler(*possible_homes):
         )]
     else:
         LIB_LOCATION = 'jre/lib/server/libjvm.dylib'
+
+        if isinstance(JRE_HOME, bytes):
+            JAVA_HOME = dirname(JRE_HOME.decode())
+        else:
+            JAVA_HOME = dirname(JRE_HOME)
+        FULL_LIB_LOCATION = join(JAVA_HOME, LIB_LOCATION)
+
+        if not exists(FULL_LIB_LOCATION):
+            # In that case, the Java version is very likely >=9.
+            # So we need to modify the `libjvm.so` path.
+            LIB_LOCATION = 'lib/server/libjvm.dylib'
+
         INCLUDE_DIRS = [
             '{0}/include'.format(FRAMEWORK),
             '{0}/include/darwin'.format(FRAMEWORK)
@@ -181,6 +193,17 @@ def compile_native_invocation_handler(*possible_homes):
         INCL_DIR = join(JDK_HOME, 'include', 'linux')
         LIB_LOCATION = 'jre/lib/{}/server/libjvm.so'.format(CPU)
 
+        if isinstance(JRE_HOME, bytes):
+            JAVA_HOME = dirname(JRE_HOME.decode())
+        else:
+            JAVA_HOME = dirname(JRE_HOME)
+        FULL_LIB_LOCATION = join(JAVA_HOME, LIB_LOCATION)
+
+        if not exists(FULL_LIB_LOCATION):
+            # In that case, the Java version is very likely >=9.
+            # So we need to modify the `libjvm.so` path.
+            LIB_LOCATION = 'lib/server/libjvm.so'
+
     INCLUDE_DIRS = [
         join(JDK_HOME, 'include'),
         INCL_DIR