minor cmake fix fo macos

cmake/OpenCVModule.cmake

@@ -484,7 +484,7 @@ macro(ocv_glob_module_sources)
   file(GLOB_RECURSE lib_int_hdrs "src/*.hpp" "src/*.h")
   file(GLOB lib_hdrs "include/opencv2/${name}/*.hpp" "include/opencv2/${name}/*.h")
   file(GLOB lib_hdrs_detail "include/opencv2/${name}/detail/*.hpp" "include/opencv2/${name}/detail/*.h")
-  file(GLOB_RECURSE lib_srcs_apple "src/*.m*")
+  file(GLOB_RECURSE lib_srcs_apple "src/*.mm")
   if (APPLE)
     list(APPEND lib_srcs ${lib_srcs_apple})
   endif()
@@ -748,12 +748,8 @@ function(ocv_add_accuracy_tests)
       endif()
 
       get_native_precompiled_header(${the_target} test_precomp.hpp)
-
-      if(APPLE AND ${the_target} STREQUAL "opencv_test_viz")
-        add_executable(${the_target} MACOSX_BUNDLE ${OPENCV_TEST_${the_module}_SOURCES} ${${the_target}_pch})
-      else()
       add_executable(${the_target} ${OPENCV_TEST_${the_module}_SOURCES} ${${the_target}_pch})
-      endif()
+
       target_link_libraries(${the_target} ${OPENCV_MODULE_${the_module}_DEPS} ${test_deps} ${OPENCV_LINKER_LIBS})
       add_dependencies(opencv_tests ${the_target})
 

modules/viz/CMakeLists.txt

@@ -9,3 +9,7 @@ ocv_define_module(viz opencv_core ${VTK_LIBRARIES})
 if(APPLE AND BUILD_opencv_viz)
   target_link_libraries(opencv_viz "-framework Cocoa")
 endif()
+
+if(TARGET opencv_test_viz)
+  set_target_properties(opencv_test_viz PROPERTIES MACOSX_BUNDLE TRUE)
+endif()