Index: base/applications/atactl/CMakeLists.txt
===================================================================
--- base/applications/atactl/CMakeLists.txt	(Revision 58318)
+++ base/applications/atactl/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,5 @@
 set_cpp()
+set_3rd_party_source()
 
 add_definitions(-DUSER_MODE)
 include_directories(${REACTOS_SOURCE_DIR}/drivers/storage/ide/uniata)
@@ -9,9 +10,7 @@
 add_importlibs(atactl advapi32 msvcrt kernel32 ntdll)
 
 if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(atactl)
-    set_source_files_properties(atactl.cpp PROPERTIES COMPILE_FLAGS "-Wno-error")
     target_link_libraries(atactl gcc)
 endif()
-add_cd_file(TARGET atactl DESTINATION reactos/system32 FOR all)
\ Kein Zeilenumbruch am Ende der Datei
+
+add_cd_file(TARGET atactl DESTINATION reactos/system32 FOR all)
Index: base/applications/network/wlanconf/CMakeLists.txt
===================================================================
--- base/applications/network/wlanconf/CMakeLists.txt	(Revision 58318)
+++ base/applications/network/wlanconf/CMakeLists.txt	(Arbeitskopie)
@@ -1,15 +1,11 @@
 
+set_3rd_party_source()
+
 include_directories(
     BEFORE include
     ${REACTOS_SOURCE_DIR}/include/reactos/drivers/ndisuio)
 add_executable(wlanconf wlanconf.c wlanconf.rc)
 
-# FIXME: http://www.cmake.org/Bug/view.php?id=12998
-if(NOT MSVC)
-    #add_target_compile_flags(wlanconf "-Wno-format")
-    set_source_files_properties(wlanconf.c PROPERTIES COMPILE_FLAGS "-Wno-format")
-endif()
-
 set_module_type(wlanconf win32cui)
 add_importlibs(wlanconf msvcrt user32 iphlpapi kernel32)
 add_cd_file(TARGET wlanconf DESTINATION reactos/system32 FOR all)
Index: base/applications/winhlp32/CMakeLists.txt
===================================================================
--- base/applications/winhlp32/CMakeLists.txt	(Revision 58318)
+++ base/applications/winhlp32/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(${REACTOS_SOURCE_DIR}/include/reactos/wine)
 
 add_definitions(
@@ -24,8 +26,3 @@
 add_importlibs(winhlp32 user32 gdi32 shell32 comctl32 comdlg32 msvcrt kernel32 ntdll)
 add_cd_file(TARGET winhlp32 DESTINATION reactos FOR all)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(winhlp32)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
Index: base/applications/write/CMakeLists.txt
===================================================================
--- base/applications/write/CMakeLists.txt	(Revision 58318)
+++ base/applications/write/CMakeLists.txt	(Arbeitskopie)
@@ -1,11 +1,8 @@
 
+set_3rd_party_source()
+
 add_executable(write write.c rsrc.rc)
 set_module_type(write win32gui UNICODE)
 add_importlibs(write user32 gdi32 msvcrt kernel32)
 add_cd_file(TARGET write DESTINATION reactos/system32 FOR all)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(write)
-    set_source_files_properties(write.c PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
Index: base/shell/explorer/CMakeLists.txt
===================================================================
--- base/shell/explorer/CMakeLists.txt	(Revision 58318)
+++ base/shell/explorer/CMakeLists.txt	(Arbeitskopie)
@@ -54,3 +54,7 @@
 add_dependencies(explorer psdk)
 add_cd_file(TARGET explorer DESTINATION reactos FOR all)
 add_cd_file(FILE ${CMAKE_CURRENT_SOURCE_DIR}/explorer-cfg-template.xml DESTINATION reactos FOR all)
+
+if(NOT MSVC)
+    add_target_compile_flags(explorer "-Wno-narrowing")
+endif()
Index: cmake/compilerflags.cmake
===================================================================
--- cmake/compilerflags.cmake	(Revision 58318)
+++ cmake/compilerflags.cmake	(Arbeitskopie)
@@ -24,6 +24,26 @@
     set_property(TARGET ${_module} PROPERTY ${_propname} ${_newvalue})
 endfunction()
 
+function(remove_target_properties _module _propname)
+    list(APPEND _list_properties COMPILE_DEFINITIONS INCLUDE_DIRECTORIES)
+    get_target_property(_newvalue ${_module} ${_propname})
+    if(_newvalue)
+        list(FIND _list_properties ${_propname} _list_index)
+        if(NOT _list_index EQUAL -1)
+            # list property
+            foreach(_flag ${ARGN})
+                list(REMOVE_ITEM _newvalue _flag)
+            endforeach()
+        else()
+            # string property
+            foreach(_flag ${ARGN})
+                strin(REPLACE ${_flag} "" _newvalue ${_newvalue})
+            endforeach()
+        endif()
+        set_property(TARGET ${_module} PROPERTY ${_propname} ${_newvalue})
+    endif()
+endfunction()
+
 # Wrapper functions for the important properties, using add_target_property
 # where appropriate.
 # Note that the functions for string properties take a single string
@@ -51,7 +71,7 @@
     if(NOT ${ARGC} EQUAL 2)
         message(STATUS "Wrong arguments to add_compile_flags_language! Args ${ARGN}")
     endif()
-    # Adds the compiler flag to both CMAKE_C_FLAGS and CMAKE_CXX_FLAGS
+    # Adds the compiler flag to language specific flags
     set(CMAKE_${_lang}_FLAGS "${CMAKE_${_lang}_FLAGS} ${_flags}" PARENT_SCOPE)
 endfunction()
 
@@ -76,3 +96,17 @@
 function(add_target_include_directories _module)
     add_target_property(${_module} INCLUDE_DIRECTORIES ${ARGN})
 endfunction()
+
+macro(remove_compile_flags)
+    foreach(_flag ${ARGN})
+        string(REPLACE ${_flag} "" CMAKE_C_FLAGS ${CMAKE_C_FLAGS})
+        string(REPLACE ${_flag} "" CMAKE_C_FLAGS_RELWITHDEBINFO ${CMAKE_C_FLAGS_RELWITHDEBINFO})
+        string(REPLACE ${_flag} "" CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS})
+        string(REPLACE ${_flag} "" CMAKE_ASM_FLAGS ${CMAKE_ASM_FLAGS})
+    endforeach()
+endmacro()
+
+function(remove_target_compile_flags _module)
+    remove_target_properties(${_module} COMPILE_FLAGS)
+endfunction()
+
Index: cmake/config.cmake
===================================================================
--- cmake/config.cmake	(Revision 58318)
+++ cmake/config.cmake	(Arbeitskopie)
@@ -21,6 +21,12 @@
  6 = Optimize yet more (-O3)
  7 = Disregard strict standards compliance (-Ofast)")
 
+set(WARNING_LEVEL "1" CACHE STRING
+"What level of optimization to use.
+ 0 = All warnings disabled
+ 1 = Default option, avoiding noise by disabling overzealous warnings
+ 2 = Verbose - enable all warnings")
+
 set(LTCG FALSE CACHE BOOL
 "Whether to build with link-time code generation")
 
Index: cmake/gcc.cmake
===================================================================
--- cmake/gcc.cmake	(Revision 58318)
+++ cmake/gcc.cmake	(Arbeitskopie)
@@ -41,7 +41,13 @@
 endif()
 
 # Warnings
-add_compile_flags("-Werror -Wall -Wno-char-subscripts -Wpointer-arith -Wno-multichar -Wno-unused-value")
+if(WARNING_LEVEL STREQUAL "1")
+    add_compile_flags("-Werror -Wall -Wpointer-arith -Wno-char-subscripts -Wno-multichar -Wno-unused-value -Wno-unused-but-set-variable -Wno-maybe-uninitialized")
+elseif(WARNING_LEVEL STREQUAL "2")
+    add_compile_flags("-Werror -Wall -Wpointer-arith")
+else() # 0
+    add_compile_flags("-w")
+endif()
 
 if(GCC_VERSION VERSION_LESS 4.6)
     add_compile_flags("-Wno-error=uninitialized")
@@ -358,6 +364,16 @@
     add_target_compile_flags(${__module} "-Wno-error")
 endfunction()
 
+macro(set_3rd_party_source)
+    add_compile_flags("-Wno-error")
+    if(WARNING_LEVEL STREQUAL "1")
+        add_compile_flags("-Wno-format -Wno-unused-variable -Wno-unused-function -Wno-enum-compare -Wno-write-strings -Wno-narrowing -Wno-attributes")
+        add_compile_flags("-Wno-overflow")
+        add_compile_flags_language("-Wno-implicit-function-declaration -Wno-pointer-sign" C)
+        add_compile_flags_language("-Wno-delete-non-virtual-dtor" CXX)
+    endif()
+endmacro()
+
 macro(add_asm_files _target)
     list(APPEND ${_target} ${ARGN})
 endmacro()
Index: cmake/msvc.cmake
===================================================================
--- cmake/msvc.cmake	(Revision 58318)
+++ cmake/msvc.cmake	(Arbeitskopie)
@@ -20,8 +20,17 @@
 
 add_definitions(/Dinline=__inline /D__STDC__=1)
 
-add_compile_flags("/X /GR- /GS- /Zl /W3")
+add_compile_flags("/X /GR- /GS- /Zl")
 
+# Warnings (at some point we may want /WX)
+if(WARNING_LEVEL STREQUAL "1")
+    add_compile_flags("/W3")
+elseif(WARNING_LEVEL STREQUAL "2")
+    add_compile_flags("/Wall")
+else() # 0
+    add_compile_flags("/w")
+endif()
+
 # HACK: for VS 11+ we need to explicitly disable SSE, which is off by
 # default for older compilers. See bug #7174
 if (MSVC_VERSION GREATER 1699 AND ARCH STREQUAL "i386")
@@ -130,13 +139,13 @@
 
     set(_def_file ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_exp.def)
     set(_asm_stubs_file ${CMAKE_CURRENT_BINARY_DIR}/${_libname}_stubs.asm)
-    
+
     # Generate the asm stub file and the def file for import library
     add_custom_command(
         OUTPUT ${_asm_stubs_file} ${_def_file}
         COMMAND native-spec2def --ms --kill-at -a=${SPEC2DEF_ARCH} --implib -n=${_dllname} -d=${_def_file} -l=${_asm_stubs_file} ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file}
         DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/${_spec_file} native-spec2def)
-    
+
     if(MSVC_IDE)
         # Compile the generated asm stub file
         add_custom_command(
@@ -240,8 +249,17 @@
 endfunction()
 
 function(allow_warnings __module)
+    #Should remove /WX, once we set it
 endfunction()
 
+macro(set_3rd_party_source)
+    remove_compile_flags("/WX")
+    if(WARNING_LEVEL STREQUAL "1")
+        remove_compile_flags("/Wall" "/W3")
+        add_compile_flags("/w")
+    endif()
+endmacro()
+
 macro(add_asm_files _target)
     if(MSVC_IDE AND (CMAKE_VERSION MATCHES "ReactOS"))
         get_defines(_directory_defines)
Index: dll/3rdparty/libtiff/CMakeLists.txt
===================================================================
--- dll/3rdparty/libtiff/CMakeLists.txt	(Revision 58318)
+++ dll/3rdparty/libtiff/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -DWIN32
     -DNDEBUG
@@ -55,7 +57,3 @@
 add_importlibs(libtiff user32 msvcrt kernel32 ntdll)
 add_dependencies(libtiff psdk)
 add_cd_file(TARGET libtiff DESTINATION reactos/system32 FOR all)
-
-if(NOT MSVC)
-    allow_warnings(libtiff)
-endif()
Index: dll/3rdparty/libxslt/CMakeLists.txt
===================================================================
--- dll/3rdparty/libxslt/CMakeLists.txt	(Revision 58318)
+++ dll/3rdparty/libxslt/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(${CMAKE_CURRENT_SOURCE_DIR}
                     ${REACTOS_SOURCE_DIR}/include/reactos/libs/libxslt)
 
@@ -48,5 +50,4 @@
 
 if(NOT MSVC)
     add_target_compile_flags(libxslt "-Wno-pointer-sign")
-    allow_warnings(libxslt)
 endif()
Index: dll/directx/ksproxy/CMakeLists.txt
===================================================================
--- dll/directx/ksproxy/CMakeLists.txt	(Revision 58318)
+++ dll/directx/ksproxy/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 set_cpp()
 
 spec2def(ksproxy.ax ksproxy.spec)
@@ -33,9 +35,7 @@
 if(MSVC)
     add_target_compile_flags(ksproxy "/GR-")
 else()
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #add_target_compile_flags(ksproxy "-fno-exceptions -fno-rtti")
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-fno-exceptions -fno-rtti")
+    add_target_compile_flags(ksproxy "-fno-exceptions -fno-rtti")
 endif()
 
 target_link_libraries(ksproxy strmiids)
Index: dll/directx/quartz/CMakeLists.txt
===================================================================
--- dll/directx/quartz/CMakeLists.txt	(Revision 58318)
+++ dll/directx/quartz/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 remove_definitions(-D_WIN32_WINNT=0x502)
 add_definitions(-D_WIN32_WINNT=0x600)
 
@@ -74,8 +76,3 @@
 add_pch(quartz quartz_private.h)
 add_cd_file(TARGET quartz DESTINATION reactos/system32 FOR all)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(quartz)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
Index: dll/directx/wine/ddraw/CMakeLists.txt
===================================================================
--- dll/directx/wine/ddraw/CMakeLists.txt	(Revision 58318)
+++ dll/directx/wine/ddraw/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -D__WINESRC__
     -DUSE_WIN32_OPENGL)
Index: dll/directx/wine/wined3d/CMakeLists.txt
===================================================================
--- dll/directx/wine/wined3d/CMakeLists.txt	(Revision 58318)
+++ dll/directx/wine/wined3d/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -D__WINESRC__
     -D_USE_MATH_DEFINES
@@ -57,8 +59,3 @@
 add_pch(wined3d wined3d_private.h)
 add_cd_file(TARGET wined3d DESTINATION reactos/system32 FOR all)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(wined3d)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
Index: dll/opengl/glu32/CMakeLists.txt
===================================================================
--- dll/opengl/glu32/CMakeLists.txt	(Revision 58318)
+++ dll/opengl/glu32/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(BEFORE
     include
     src/include
@@ -119,7 +121,6 @@
 if(NOT MSVC)
 #FIXME: we really need a standard C++ library
     target_link_libraries(glu32 -lsupc++ -lgcc)
-    add_compile_flags("-Wno-error=write-strings")
 endif()
 
 add_importlibs(glu32
Index: dll/opengl/mesa/src/gallium/auxiliary/CMakeLists.txt
===================================================================
--- dll/opengl/mesa/src/gallium/auxiliary/CMakeLists.txt	(Revision 58318)
+++ dll/opengl/mesa/src/gallium/auxiliary/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(
     indices
     util)
@@ -161,4 +163,4 @@
     vl/vl_vertex_buffers.c
     vl/vl_video_buffer.c)
 
-add_library(gallium_core STATIC EXCLUDE_FROM_ALL ${SOURCE})
\ Kein Zeilenumbruch am Ende der Datei
+add_library(gallium_core STATIC EXCLUDE_FROM_ALL ${SOURCE})
Index: dll/opengl/mesa/src/gallium/state_trackers/wgl/CMakeLists.txt
===================================================================
--- dll/opengl/mesa/src/gallium/state_trackers/wgl/CMakeLists.txt	(Revision 58318)
+++ dll/opengl/mesa/src/gallium/state_trackers/wgl/CMakeLists.txt	(Arbeitskopie)
@@ -1,13 +1,12 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -D_GDI32_ # prevent gl* being declared __declspec(dllimport) in MS headers
     -DBUILD_GL32 # declare gl* as __declspec(dllexport) in Mesa headers
     -D_GLAPI_NO_EXPORTS # prevent _glapi_* from being declared __declspec(dllimport)
     -DWIN32_LEAN_AND_MEAN
 )
-if(NOT MSVC)
-    add_compile_flags("-Wno-implicit-function-declaration")
-endif()
 
 include_directories(
     ../../../mapi
@@ -31,4 +30,4 @@
     stw_wgl.c
 )
 
-add_library(gallium_wgl STATIC EXCLUDE_FROM_ALL ${SOURCE})
\ Kein Zeilenumbruch am Ende der Datei
+add_library(gallium_wgl STATIC EXCLUDE_FROM_ALL ${SOURCE})
Index: dll/opengl/mesa/src/gallium/targets/libgl-gdi/CMakeLists.txt
===================================================================
--- dll/opengl/mesa/src/gallium/targets/libgl-gdi/CMakeLists.txt	(Revision 58318)
+++ dll/opengl/mesa/src/gallium/targets/libgl-gdi/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 # we link against C++ static libs
 set_cpp()
 
@@ -42,4 +44,3 @@
 
 add_dependencies(mesa32 psdk)
 add_cd_file(TARGET mesa32 DESTINATION reactos/system32 FOR all)
-    
\ Kein Zeilenumbruch am Ende der Datei
Index: dll/opengl/mesa/src/glsl/CMakeLists.txt
===================================================================
--- dll/opengl/mesa/src/glsl/CMakeLists.txt	(Revision 58318)
+++ dll/opengl/mesa/src/glsl/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,5 @@
 
+set_3rd_party_source()
 set_cpp()
 
 # From Sconscript
@@ -86,5 +87,4 @@
 
 #this is just a helper library, don't include it in the all target
 add_library(mesa_glsl STATIC EXCLUDE_FROM_ALL ${SOURCE})
-  
-    
\ Kein Zeilenumbruch am Ende der Datei
+
Index: dll/opengl/mesa/src/mapi/glapi/CMakeLists.txt
===================================================================
--- dll/opengl/mesa/src/mapi/glapi/CMakeLists.txt	(Revision 58318)
+++ dll/opengl/mesa/src/mapi/glapi/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -DMAPI_MODE_UTIL
     -D_GDI32_ # prevent gl* being declared __declspec(dllimport) in MS headers
@@ -29,8 +31,4 @@
     ../mapi/u_execmem.c
     ../mapi/u_thread.c)
 
-if(NOT MSVC)    
-    add_compile_flags("-Wno-unused-function")
-endif()
-
-add_library(mesa_glapi STATIC EXCLUDE_FROM_ALL ${SOURCE})
\ Kein Zeilenumbruch am Ende der Datei
+add_library(mesa_glapi STATIC EXCLUDE_FROM_ALL ${SOURCE})
Index: dll/opengl/mesa/src/mesa/CMakeLists.txt
===================================================================
--- dll/opengl/mesa/src/mesa/CMakeLists.txt	(Revision 58318)
+++ dll/opengl/mesa/src/mesa/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -DFEATURE_GL=1
     -D_GDI32_           # prevent gl* being declared __declspec(dllimport) in MS headers
@@ -295,9 +297,5 @@
     # drivers/common/driverfuncs.c
     # drivers/common/meta.c
 )
-    
-if(NOT MSVC)
-    add_compile_flags("-Wno-format")
-endif()
 
-add_library(mesa_core STATIC EXCLUDE_FROM_ALL ${SOURCE})
\ Kein Zeilenumbruch am Ende der Datei
+add_library(mesa_core STATIC EXCLUDE_FROM_ALL ${SOURCE})
Index: dll/win32/aclui/CMakeLists.txt
===================================================================
--- dll/win32/aclui/CMakeLists.txt	(Revision 58318)
+++ dll/win32/aclui/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 spec2def(aclui.dll aclui.spec)
 
 add_definitions(-DSUPPORT_UXTHEME)
@@ -13,12 +15,6 @@
 
 add_library(aclui SHARED ${SOURCE} aclui.rc)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(aclui)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 set_module_type(aclui win32dll UNICODE)
 add_importlibs(aclui user32 gdi32 comctl32 ole32 oleaut32 advapi32 uxtheme msvcrt kernel32 ntdll)
 add_pch(aclui precomp.h)
Index: dll/win32/advpack/CMakeLists.txt
===================================================================
--- dll/win32/advpack/CMakeLists.txt	(Revision 58318)
+++ dll/win32/advpack/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(-D__WINESRC__)
 
 include_directories(${REACTOS_SOURCE_DIR}/include/reactos/wine)
@@ -13,7 +15,6 @@
     ${CMAKE_CURRENT_BINARY_DIR}/advpack.def)
 
 add_library(advpack SHARED ${SOURCE})
-allow_warnings(advpack)
 set_module_type(advpack win32dll)
 target_link_libraries(advpack wine)
 add_importlibs(advpack ole32 setupapi version advapi32 msvcrt kernel32 ntdll)
Index: dll/win32/browseui/CMakeLists.txt
===================================================================
--- dll/win32/browseui/CMakeLists.txt	(Revision 58318)
+++ dll/win32/browseui/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 set_cpp()
 
 add_definitions(
@@ -43,12 +45,6 @@
     ${SOURCE}
     browseui.rc)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(browseui)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 set_module_type(browseui win32dll UNICODE)
 
 target_link_libraries(browseui
Index: dll/win32/crypt32/CMakeLists.txt
===================================================================
--- dll/win32/crypt32/CMakeLists.txt	(Revision 58318)
+++ dll/win32/crypt32/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -D__WINESRC__
     -D_WINE)
@@ -39,12 +41,6 @@
 
 add_library(crypt32 SHARED ${SOURCE} crypt32.rc)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(crypt32)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 set_module_type(crypt32 win32dll)
 target_link_libraries(crypt32 wine ${PSEH_LIB} oldnames)
 add_importlibs(crypt32 user32 advapi32 msvcrt kernel32 ntdll)
Index: dll/win32/dbghelp/CMakeLists.txt
===================================================================
--- dll/win32/dbghelp/CMakeLists.txt	(Revision 58318)
+++ dll/win32/dbghelp/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -D__WINESRC__
     -D_WINE
@@ -44,12 +46,6 @@
 
 add_library(dbghelp SHARED ${SOURCE} version.rc)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(dbghelp)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 set_module_type(dbghelp win32dll)
 target_link_libraries(dbghelp wine ${PSEH_LIB} oldnames)
 add_delay_importlibs(dbghelp version)
Index: dll/win32/itss/CMakeLists.txt
===================================================================
--- dll/win32/itss/CMakeLists.txt	(Revision 58318)
+++ dll/win32/itss/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(-D__WINESRC__)
 include_directories(${REACTOS_SOURCE_DIR}/include/reactos/wine)
 
@@ -22,12 +24,6 @@
 set_module_type(itss win32dll)
 target_link_libraries(itss uuid wine)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(itss)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 add_importlibs(itss
     urlmon
     shlwapi
Index: dll/win32/localspl/CMakeLists.txt
===================================================================
--- dll/win32/localspl/CMakeLists.txt	(Revision 58318)
+++ dll/win32/localspl/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 remove_definitions(-D_WIN32_WINNT=0x502)
 add_definitions(-D_WIN32_WINNT=0x600)
 
@@ -26,9 +28,3 @@
     ntdll)
 
 add_cd_file(TARGET localspl DESTINATION reactos/system32 FOR all)
-
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(localspl)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
Index: dll/win32/mciseq/CMakeLists.txt
===================================================================
--- dll/win32/mciseq/CMakeLists.txt	(Revision 58318)
+++ dll/win32/mciseq/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(-D__WINESRC__)
 include_directories(${REACTOS_SOURCE_DIR}/include/reactos/wine)
 
@@ -16,7 +18,3 @@
 add_importlibs(mciseq winmm user32 kernel32 ntdll msvcrt)
 add_dependencies(mciseq psdk)
 add_cd_file(TARGET mciseq DESTINATION reactos/system32 FOR all)
-
-if(NOT MSVC)
-    allow_warnings(mciseq)
-endif()
Index: dll/win32/mciwave/CMakeLists.txt
===================================================================
--- dll/win32/mciwave/CMakeLists.txt	(Revision 58318)
+++ dll/win32/mciwave/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -D__WINESRC__
     -D_WINE)
@@ -20,6 +22,3 @@
 add_dependencies(mciwave psdk)
 add_cd_file(TARGET mciwave DESTINATION reactos/system32 FOR all)
 
-if(NOT MSVC)
-    allow_warnings(mciwave)
-endif()
Index: dll/win32/msxml3/CMakeLists.txt
===================================================================
--- dll/win32/msxml3/CMakeLists.txt	(Revision 58318)
+++ dll/win32/msxml3/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 remove_definitions(-D_WIN32_WINNT=0x502)
 add_definitions(-D_WIN32_WINNT=0x601)
 
@@ -58,12 +60,6 @@
 
 add_library(msxml3 SHARED ${SOURCE} version.rc)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(msxml3)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 add_idl_headers(xmlparser_idlheader xmlparser.idl)
 add_dependencies(msxml3 xmlparser_idlheader)
 
Index: dll/win32/rpcrt4/CMakeLists.txt
===================================================================
--- dll/win32/rpcrt4/CMakeLists.txt	(Revision 58318)
+++ dll/win32/rpcrt4/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 spec2def(rpcrt4.dll rpcrt4.spec ADD_IMPORTLIB)
 
 add_rpc_files(client epm.idl)
@@ -53,10 +55,3 @@
 add_delay_importlibs(rpcrt4 iphlpapi wininet secur32 user32)
 add_importlibs(rpcrt4 msvcrt advapi32 ws2_32 kernel32 ntdll)
 add_cd_file(TARGET rpcrt4 DESTINATION reactos/system32 FOR all)
-
-
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(rpcrt4)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
Index: dll/win32/shdocvw/CMakeLists.txt
===================================================================
--- dll/win32/shdocvw/CMakeLists.txt	(Revision 58318)
+++ dll/win32/shdocvw/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_typelib(shdocvw_v1.idl)
 
 add_definitions(
@@ -57,9 +59,3 @@
 
 add_pch(shdocvw shdocvw.h)
 add_cd_file(TARGET shdocvw DESTINATION reactos/system32 FOR all)
-
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(shdocvw)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
Index: dll/win32/shell32/CMakeLists.txt
===================================================================
--- dll/win32/shell32/CMakeLists.txt	(Revision 58318)
+++ dll/win32/shell32/CMakeLists.txt	(Arbeitskopie)
@@ -76,12 +76,6 @@
     ${SOURCE}
     shell32.rc)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(shell32)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 set_module_type(shell32 win32dll UNICODE)
 
 target_link_libraries(shell32
Index: dll/win32/spoolss/CMakeLists.txt
===================================================================
--- dll/win32/spoolss/CMakeLists.txt	(Revision 58318)
+++ dll/win32/spoolss/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(${REACTOS_SOURCE_DIR}/include/reactos/wine)
 add_definitions(-D__WINESRC__)
 
@@ -11,7 +13,6 @@
     ${CMAKE_CURRENT_BINARY_DIR}/spoolss.def)
 
 add_library(spoolss SHARED ${SOURCE})
-allow_warnings(spoolss)
 set_module_type(spoolss win32dll)
 target_link_libraries(spoolss wine)
 add_importlibs(spoolss winspool msvcrt kernel32 ntdll)
Index: dll/win32/windowscodecs/CMakeLists.txt
===================================================================
--- dll/win32/windowscodecs/CMakeLists.txt	(Revision 58318)
+++ dll/win32/windowscodecs/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -D__WINESRC__
     -DENTRY_PREFIX=WIC_
@@ -54,12 +56,6 @@
     ${CMAKE_CURRENT_BINARY_DIR}/windowscodecs.def
     ${CMAKE_CURRENT_BINARY_DIR}/windowscodecs_wincodec_p.c)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(windowscodecs)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 add_library(windowscodecs SHARED ${SOURCE} version.rc)
 set_module_type(windowscodecs win32dll)
 target_link_libraries(windowscodecs wine uuid ${PSEH_LIB})
Index: dll/win32/winmm/CMakeLists.txt
===================================================================
--- dll/win32/winmm/CMakeLists.txt	(Revision 58318)
+++ dll/win32/winmm/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(-D_WINE)
 include_directories(${REACTOS_SOURCE_DIR}/include/reactos/wine)
 
@@ -21,12 +23,6 @@
     ${SOURCE}
     winmm_res.rc)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(winmm)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 set_module_type(winmm win32dll)
 target_link_libraries(winmm wine ${PSEH_LIB})
 add_importlibs(winmm advapi32 user32 msvcrt kernel32 ntdll)
Index: dll/win32/xmllite/CMakeLists.txt
===================================================================
--- dll/win32/xmllite/CMakeLists.txt	(Revision 58318)
+++ dll/win32/xmllite/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(-D__WINESRC__)
 include_directories(${REACTOS_SOURCE_DIR}/include/reactos/wine)
 
@@ -12,12 +14,6 @@
     ${CMAKE_CURRENT_BINARY_DIR}/xmllite_stubs.c
     ${CMAKE_CURRENT_BINARY_DIR}/xmllite.def)
 
-if(NOT MSVC)
-    # FIXME: http://www.cmake.org/Bug/view.php?id=12998
-    #allow_warnings(xmllite)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 add_library(xmllite SHARED ${SOURCE})
 set_module_type(xmllite win32dll)
 target_link_libraries(xmllite wine uuid)
Index: drivers/bluetooth/fbtusb/CMakeLists.txt
===================================================================
--- drivers/bluetooth/fbtusb/CMakeLists.txt	(Revision 58318)
+++ drivers/bluetooth/fbtusb/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(include)
 
 list(APPEND SOURCE
@@ -13,12 +15,6 @@
     ${SOURCE}
     fbtusb.rc)
 
-# FIXME: http://www.cmake.org/Bug/view.php?id=12998
-if(NOT MSVC)
-    #allow_warnings(fbtusb)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 set_module_type(fbtusb kernelmodedriver)
 add_importlibs(fbtusb ntoskrnl hal usbd)
 add_cd_file(TARGET fbtusb DESTINATION reactos/system32/drivers FOR all)
Index: drivers/filesystems/ext2/CMakeLists.txt
===================================================================
--- drivers/filesystems/ext2/CMakeLists.txt	(Revision 58318)
+++ drivers/filesystems/ext2/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(inc)
 
 list(APPEND SOURCE
@@ -22,7 +24,6 @@
     src/shutdown.c)
     
 add_library(ext2fs SHARED ${SOURCE})
-allow_warnings(ext2fs)
 target_link_libraries(ext2fs ${PSEH_LIB})
 add_pch(ext2fs inc/ext2fsd.h)
 set_module_type(ext2fs kernelmodedriver)
Index: drivers/storage/ide/uniata/CMakeLists.txt
===================================================================
--- drivers/storage/ide/uniata/CMakeLists.txt	(Revision 58318)
+++ drivers/storage/ide/uniata/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(
     BEFORE ${CMAKE_CURRENT_SOURCE_DIR}
     inc)
@@ -24,9 +26,8 @@
     #add_target_compile_flags(uniata "/GR-")
     set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "/GR-")
 else()
-    #allow_warnings(uniata)
     #add_target_compile_flags(uniata "-fno-exceptions -fno-rtti")
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-fno-exceptions -fno-rtti -Wno-error")
+    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-fno-exceptions -fno-rtti")
 endif()
 
 add_pch(uniata stdafx.h)
Index: lib/3rdparty/adns/CMakeLists.txt
===================================================================
--- lib/3rdparty/adns/CMakeLists.txt	(Revision 58318)
+++ lib/3rdparty/adns/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(
     src
     adns_win32)
@@ -22,4 +24,3 @@
 
 add_library(adns ${SOURCE})
 add_dependencies(adns psdk)
-allow_warnings(adns)
Index: lib/3rdparty/cardlib/CMakeLists.txt
===================================================================
--- lib/3rdparty/cardlib/CMakeLists.txt	(Revision 58318)
+++ lib/3rdparty/cardlib/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,5 @@
 
+set_3rd_party_source()
 set_cpp()
 
 list(APPEND SOURCE
@@ -15,5 +16,4 @@
     dropzone.cpp)
 
 add_library(cardlib ${SOURCE})
-allow_warnings(cardlib)
 add_dependencies(cardlib psdk)
Index: lib/3rdparty/freetype/CMakeLists.txt
===================================================================
--- lib/3rdparty/freetype/CMakeLists.txt	(Revision 58318)
+++ lib/3rdparty/freetype/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -D__NTDRIVER__
     -DFT2_BUILD_LIBRARY)
@@ -49,4 +51,3 @@
   src/winfonts/winfnt.c)
 
 add_library(freetype ${SOURCE})
-allow_warnings(freetype)
Index: lib/3rdparty/fullfat/CMakeLists.txt
===================================================================
--- lib/3rdparty/fullfat/CMakeLists.txt	(Revision 58318)
+++ lib/3rdparty/fullfat/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(${REACTOS_SOURCE_DIR}/include/reactos/libs/fullfat)
 
 add_definitions(-D__NTDRIVER__)
@@ -18,5 +20,4 @@
     ff_time.c)
 
 add_library(fullfat ${SOURCE})
-allow_warnings(fullfat)
 add_dependencies(fullfat bugcodes)
Index: lib/3rdparty/libmpg123/CMakeLists.txt
===================================================================
--- lib/3rdparty/libmpg123/CMakeLists.txt	(Revision 58318)
+++ lib/3rdparty/libmpg123/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 add_definitions(
     -DOPT_I386
     -DREAL_IS_FLOAT
@@ -41,4 +43,3 @@
     tabinit.c)
 
 add_dependencies(libmpg123 psdk)
-allow_warnings(libmpg123)
Index: lib/3rdparty/libxml2/CMakeLists.txt
===================================================================
--- lib/3rdparty/libxml2/CMakeLists.txt	(Revision 58318)
+++ lib/3rdparty/libxml2/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 include_directories(include)
 
 add_definitions(
@@ -60,8 +62,3 @@
 add_library(libxml2 ${SOURCE})
 target_link_libraries(libxml2 oldnames)
 add_dependencies(libxml2 psdk)
-
-if(NOT MSVC)
-    add_target_compile_flags(libxml2 "-Wno-format -Wno-pointer-sign")
-    allow_warnings(libxml2)
-endif()
Index: lib/drivers/lwip/CMakeLists.txt
===================================================================
--- lib/drivers/lwip/CMakeLists.txt	(Revision 58318)
+++ lib/drivers/lwip/CMakeLists.txt	(Arbeitskopie)
@@ -1,3 +1,6 @@
+
+set_3rd_party_source()
+
 include_directories(
     BEFORE include
     ${REACTOS_SOURCE_DIR}/drivers/network/tcpip/include
@@ -58,6 +61,3 @@
 
 add_library(lwip ${SOURCE})
 add_dependencies(lwip bugcodes)
-if(NOT MSVC)
-    allow_warnings(lwip)
-endif()
Index: lib/fslib/ext2lib/CMakeLists.txt
===================================================================
--- lib/fslib/ext2lib/CMakeLists.txt	(Revision 58318)
+++ lib/fslib/ext2lib/CMakeLists.txt	(Arbeitskopie)
@@ -1,4 +1,6 @@
 
+set_3rd_party_source()
+
 list(APPEND SOURCE
     Badblock.c
     Bitmap.c
@@ -12,4 +14,3 @@
 add_library(ext2lib ${SOURCE})
 add_pch(ext2lib Mke2fs.h)
 add_dependencies(ext2lib psdk)
-allow_warnings(ext2lib)
Index: lib/pseh/CMakeLists.txt
===================================================================
--- lib/pseh/CMakeLists.txt	(Revision 58318)
+++ lib/pseh/CMakeLists.txt	(Arbeitskopie)
@@ -18,7 +18,6 @@
     endif()
 
     add_library(pseh ${SOURCE})
-    allow_warnings(pseh)
     target_link_libraries(pseh chkstk)
     add_dependencies(pseh psdk)
 
Index: lib/rossym_new/CMakeLists.txt
===================================================================
--- lib/rossym_new/CMakeLists.txt	(Revision 58318)
+++ lib/rossym_new/CMakeLists.txt	(Arbeitskopie)
@@ -22,5 +22,4 @@
     add_library(rossym ${SOURCE})
     add_pch(rossym precomp.h)
     add_dependencies(rossym psdk bugcodes)
-    allow_warnings(rossym)
 endif()
Index: lib/sdk/crt/msvcrtex.cmake
===================================================================
--- lib/sdk/crt/msvcrtex.cmake	(Revision 58318)
+++ lib/sdk/crt/msvcrtex.cmake	(Arbeitskopie)
@@ -83,7 +83,6 @@
 
 if(NOT MSVC)
     target_link_libraries(msvcrtex oldnames)
-    allow_warnings(msvcrtex)
 endif()
 
 add_dependencies(msvcrtex psdk asm)
Index: win32ss/drivers/miniport/vga_new/CMakeLists.txt
===================================================================
--- win32ss/drivers/miniport/vga_new/CMakeLists.txt	(Revision 58318)
+++ win32ss/drivers/miniport/vga_new/CMakeLists.txt	(Arbeitskopie)
@@ -12,12 +12,6 @@
 
 target_link_libraries(vga libcntpr)
 
-# FIXME: http://www.cmake.org/Bug/view.php?id=12998
-if(NOT MSVC)
-    #allow_warnings(vga)
-    set_source_files_properties(${SOURCE} PROPERTIES COMPILE_FLAGS "-Wno-error")
-endif()
-
 set_module_type(vga kernelmodedriver)
 add_importlibs(vga videoprt)