Enable GNU STL debug mode for debug builds

CMakeLists.txt

@@ -295,6 +295,7 @@ OCV_OPTION(OPENCV_WARNINGS_ARE_ERRORS "Treat warnings as errors"
 OCV_OPTION(ANDROID_EXAMPLES_WITH_LIBS "Build binaries of Android examples with native libraries" OFF  IF ANDROID )
 OCV_OPTION(ENABLE_IMPL_COLLECTION     "Collect implementation data on function call"             OFF )
 OCV_OPTION(ENABLE_INSTRUMENTATION     "Instrument functions to collect calls trace and performance" OFF )
+OCV_OPTION(ENABLE_GNU_STL_DEBUG       "Enable GNU STL Debug mode (defines _GLIBCXX_DEBUG)"       OFF IF ((NOT CMAKE_VERSION VERSION_LESS "2.8.11") AND CMAKE_COMPILER_IS_GNUCXX) )
 OCV_OPTION(GENERATE_ABI_DESCRIPTOR    "Generate XML file for abi_compliance_checker tool" OFF IF UNIX)
 
 OCV_OPTION(DOWNLOAD_EXTERNAL_TEST_DATA "Download external test data (Python executable and OPENCV_TEST_DATA_PATH environment variable may be required)" OFF )

cmake/OpenCVModule.cmake

@@ -858,10 +858,13 @@ macro(_ocv_create_module)
 
   if((NOT DEFINED OPENCV_MODULE_TYPE AND BUILD_SHARED_LIBS)
       OR (DEFINED OPENCV_MODULE_TYPE AND OPENCV_MODULE_TYPE STREQUAL SHARED))
-    set_target_properties(${the_module} PROPERTIES COMPILE_DEFINITIONS CVAPI_EXPORTS)
     set_target_properties(${the_module} PROPERTIES DEFINE_SYMBOL CVAPI_EXPORTS)
   endif()
 
+  if (ENABLE_GNU_STL_DEBUG)
+    target_compile_definitions(${the_module} PUBLIC _GLIBCXX_DEBUG)
+  endif()
+
   if(MSVC)
     if(CMAKE_CROSSCOMPILING)
       set_target_properties(${the_module} PROPERTIES LINK_FLAGS "/NODEFAULTLIB:secchk")