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

Author: hadim

setup.py

@@ -12,7 +12,7 @@
 except ImportError:
     import subprocess
 from os import environ
-from os.path import dirname, join, exists
+from os.path import dirname, join, exists, isdir
 import sys
 from platform import machine
 from setup_sdist import SETUP_KWARGS
@@ -119,6 +119,13 @@ def compile_native_invocation_handler(*possible_homes):
         )]
     else:
         LIB_LOCATION = 'jre/lib/server/libjvm.dylib'
+        FULL_LIB_LOCATION = join(JRE_HOME.decode(), 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)
@@ -180,6 +187,12 @@ def compile_native_invocation_handler(*possible_homes):
     else:
         INCL_DIR = join(JDK_HOME, 'include', 'linux')
         LIB_LOCATION = 'jre/lib/{}/server/libjvm.so'.format(CPU)
+        FULL_LIB_LOCATION = join(JRE_HOME.decode(), 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'),