Suppressed hundreds of useless MSVC warnings (can be reenabled setting cmake variable ENABLE_NOISY_WARNINGS to ON). Fixed some of remaining warnings.

modules/ts/CMakeLists.txt

@@ -3,7 +3,7 @@ if(IOS)
 endif()
 
 if(MINGW)
-    set(OPENCV_MODULE_TYPE STATIC)
+  set(OPENCV_MODULE_TYPE STATIC)
 endif()
     
 set(the_description "The ts module")
@@ -13,12 +13,12 @@ ocv_module_include_directories()
 ocv_create_module()
 
 if(BUILD_SHARED_LIBS AND NOT MINGW)
-    add_definitions(-DGTEST_CREATE_SHARED_LIBRARY=1)
-    if (MSVC)
-        add_definitions( "/wd4251 /wd4275")
-    endif()
+  add_definitions(-DGTEST_CREATE_SHARED_LIBRARY=1)
+  if (MSVC AND NOT ENABLE_NOISY_WARNINGS)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4275")
+  endif()
 else()
-    add_definitions(-DGTEST_CREATE_SHARED_LIBRARY=0)
+  add_definitions(-DGTEST_CREATE_SHARED_LIBRARY=0)
 endif()
 
 ocv_add_precompiled_headers(${the_module})

modules/ts/src/ts_perf.cpp

@@ -147,7 +147,7 @@ void Regression::init(const std::string& testSuitName, const std::string& ext)
             storageOutPath += ext;
         }
     }
-    catch(cv::Exception& ex)
+    catch(cv::Exception&)
     {
         LOGE("Failed to open sanity data for reading: %s", storageInPath.c_str());
     }