cmake move libyuv_unittest target into the if(TEST) condition

CMakeLists.txt

 cmake_minimum_required(VERSION 2.8)
 
 # CMakeLists for libyuv
 # Originally created for "roxlu build system" to compile libyuv on windows
 # Run with -DTEST=ON to build unit tests
 option(TEST "Built unit tests" OFF)
 
 set(ly_base_dir ${CMAKE_CURRENT_LIST_DIR})
 set(ly_src_dir ${ly_base_dir}/source/)
 set(ly_inc_dir ${ly_base_dir}/include)
@@ skipping 110 matching lines @@
     else()
       message(FATAL_ERROR "TEST is set but unable to find gtest library")
     endif()
   endif()
 
   add_executable(libyuv_unittest ${ly_unittest_sources})
   target_link_libraries(libyuv_unittest ${ly_lib_name} ${GTEST_LIBRARY} pthread)
   if (JPEG_FOUND)
     target_link_libraries(libyuv_unittest ${JPEG_LIBRARY})
   endif()
+  
+  if(NACL AND NACL_LIBC STREQUAL "newlib")
+    target_link_libraries(libyuv_unittest glibc-compat)
+  endif()
+
+  target_link_libraries(libyuv_unittest gflags)
+  
 endif()
 
-if(NACL AND NACL_LIBC STREQUAL "newlib")
-  target_link_libraries(libyuv_unittest glibc-compat)
-endif()
-
-target_link_libraries(libyuv_unittest gflags)
-
 install(TARGETS ${ly_lib_name} DESTINATION lib)
 install(FILES ${ly_header_files} DESTINATION include/libyuv)
 install(FILES ${ly_inc_dir}/libyuv.h DESTINATION include/)