HDFS-11950. Disable libhdfs zerocopy test on Mac. Contributed by Akira Ajisaka.

Signed-off-by: Wei-Chiu Chuang <weichiu@apache.org>
(cherry picked from commit a95e87d827381a7f87c01f0befc2475f9478e63b)
(cherry picked from commit f68099aa1316f34591c757bcf4198a3a3c7f691a)
(cherry picked from commit 3d1d8623a11b72c7939d6500537be5fd6565d4d6)
(cherry picked from commit 010a99104b53a23826f8f1f73d0125cb26f2adca)
(cherry picked from commit 73a59b2c42e000e2e699133b774dc17240f62886)
(cherry picked from commit c9af5fb43039997474d900f95abe252f0ab6c140)

hadoop-hdfs-project/hadoop-hdfs-native-client/src/main/native/libhdfs/CMakeLists.txt

@@ -61,7 +61,7 @@ build_libhdfs_test(test_libhdfs_threaded hdfs_static expect.c test_libhdfs_threa
 link_libhdfs_test(test_libhdfs_threaded hdfs_static native_mini_dfs)
 add_libhdfs_test(test_libhdfs_threaded hdfs_static)
 
-if (NOT WIN32)
+if (NOT WIN32 AND NOT APPLE)
 build_libhdfs_test(test_libhdfs_zerocopy hdfs_static expect.c test_libhdfs_zerocopy.c)
 link_libhdfs_test(test_libhdfs_zerocopy hdfs_static native_mini_dfs ${OS_LINK_LIBRARIES})
 add_libhdfs_test(test_libhdfs_zerocopy hdfs_static)