Index: modules/imgcodecs/src/rgbe.cpp
--- modules/imgcodecs/src/rgbe.cpp.orig	2015-12-18 16:02:16.000000000 +0100
+++ modules/imgcodecs/src/rgbe.cpp	2016-01-14 08:50:11.979837326 +0100
@@ -43,9 +43,7 @@
 #include "precomp.hpp"
 #include "rgbe.hpp"
 #include <math.h>
-#if !defined(__APPLE__)
-#include <malloc.h>
-#endif
+#include <stdlib.h>
 #include <string.h>
 #include <ctype.h>
 
Index: cmake/OpenCVCompilerOptions.cmake
--- cmake/OpenCVCompilerOptions.cmake.orig	2015-12-18 16:02:16.000000000 +0100
+++ cmake/OpenCVCompilerOptions.cmake	2016-12-26 21:25:58.587118000 +0100
@@ -73,22 +73,6 @@
 
 if(CMAKE_COMPILER_IS_GNUCXX)
   # High level of warnings.
-  add_extra_compiler_option(-W)
-  add_extra_compiler_option(-Wall)
-  add_extra_compiler_option(-Werror=return-type)
-  add_extra_compiler_option(-Werror=non-virtual-dtor)
-  add_extra_compiler_option(-Werror=address)
-  add_extra_compiler_option(-Werror=sequence-point)
-  add_extra_compiler_option(-Wformat)
-  add_extra_compiler_option(-Werror=format-security -Wformat)
-  add_extra_compiler_option(-Wmissing-declarations)
-  add_extra_compiler_option(-Wmissing-prototypes)
-  add_extra_compiler_option(-Wstrict-prototypes)
-  add_extra_compiler_option(-Wundef)
-  add_extra_compiler_option(-Winit-self)
-  add_extra_compiler_option(-Wpointer-arith)
-  add_extra_compiler_option(-Wshadow)
-  add_extra_compiler_option(-Wsign-promo)
 
   if(ENABLE_NOISY_WARNINGS)
     add_extra_compiler_option(-Wcast-align)