diff --git a/.gitignore b/.gitignore
index 228365d9eb..039d2400a6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,7 +9,6 @@ Thumbs.db
 tags
 tegra/
 bin/
-CMakeFiles/
 *.sdf
 *.opensdf
 *.obj
@@ -17,3 +16,9 @@ CMakeFiles/
 *.depend
 *.rule
 *.tmp
+*/debug
+*/CMakeFiles
+CMakeCache.txt
+*.suo
+*.log
+*.tlog
\ No newline at end of file
diff --git a/3rdparty/libjpeg/CMakeLists.txt b/3rdparty/libjpeg/CMakeLists.txt
index 65a9d1c8aa..d79f00adae 100644
--- a/3rdparty/libjpeg/CMakeLists.txt
+++ b/3rdparty/libjpeg/CMakeLists.txt
@@ -15,6 +15,13 @@ else()
   ocv_list_filterout(lib_srcs jmemnobs.c)
 endif()
 
+if(WINRT)
+    add_definitions(-DNO_GETENV)
+    get_directory_property( DirDefs COMPILE_DEFINITIONS )
+    message(STATUS "Adding NO_GETENV to compiler definitions for WINRT:")
+    message(STATUS "   COMPILE_DEFINITIONS = ${DirDefs}")
+endif()
+
 # ----------------------------------------------------------------------------------
 #         Define the library target:
 # ----------------------------------------------------------------------------------
diff --git a/3rdparty/libtiff/CMakeLists.txt b/3rdparty/libtiff/CMakeLists.txt
index ad8a466188..b7739e0e4e 100644
--- a/3rdparty/libtiff/CMakeLists.txt
+++ b/3rdparty/libtiff/CMakeLists.txt
@@ -17,7 +17,7 @@ check_include_file(string.h HAVE_STRING_H)
 check_include_file(sys/types.h HAVE_SYS_TYPES_H)
 check_include_file(unistd.h HAVE_UNISTD_H)
 
-if(WIN32)
+if(WIN32 AND NOT WINRT)
   set(USE_WIN32_FILEIO 1)
 endif()
 
@@ -79,7 +79,7 @@ set(lib_srcs
     "${CMAKE_CURRENT_BINARY_DIR}/tif_config.h"
     )
 
-if(WIN32)
+if(WIN32 AND NOT WINRT)
   list(APPEND lib_srcs tif_win32.c)
 else()
   list(APPEND lib_srcs tif_unix.c)
diff --git a/modules/imgcodecs/CMakeLists.txt b/modules/imgcodecs/CMakeLists.txt
index 50e2d5da64..6d565217a0 100644
--- a/modules/imgcodecs/CMakeLists.txt
+++ b/modules/imgcodecs/CMakeLists.txt
@@ -1,7 +1,3 @@
-if(WINRT)
-  ocv_module_disable(imgcodecs)
-endif()
-
 set(the_description "Image codecs")
 ocv_add_module(imgcodecs opencv_imgproc WRAP java python)