diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0a167ab78c28..81c1304ad6f3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1057,16 +1057,6 @@ enable_testing()
 add_custom_target(unittests)
 add_custom_command(TARGET unittests POST_BUILD COMMAND ${CMAKE_CTEST_COMMAND})
 
-
-########################################
-# Start compiling our code
-#
-add_definitions(-std=c++1y)
-
-# These aren't actually needed for C11/C++11
-# but some dependencies require them (LLVM, libav).
-add_definitions(-D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS)
-
 add_subdirectory(Source)
 
 
diff --git a/Externals/Bochs_disasm/CMakeLists.txt b/Externals/Bochs_disasm/CMakeLists.txt
index 3d93e7e6e916..505f7521331a 100644
--- a/Externals/Bochs_disasm/CMakeLists.txt
+++ b/Externals/Bochs_disasm/CMakeLists.txt
@@ -4,7 +4,7 @@ set(SRCS dis_decode.cc
          syntax.cc)
 
 if(WIN32)
-    set(SRCS ${SRCS} stdafx.cpp)
+    set(SRCS ${SRCS} stdafx.cc)
 endif(WIN32)
 
 add_library(bdisasm STATIC ${SRCS})
diff --git a/Externals/glslang/CMakeLists.txt b/Externals/glslang/CMakeLists.txt
index 4ea45b5906ff..8b8fb5180e9b 100644
--- a/Externals/glslang/CMakeLists.txt
+++ b/Externals/glslang/CMakeLists.txt
@@ -27,7 +27,7 @@ set(SRCS
 	glslang/MachineIndependent/ShaderLang.cpp
 	glslang/MachineIndependent/SymbolTable.cpp
 	glslang/MachineIndependent/Versions.cpp
-	glslang/OSDependent/Unix/ossource.cpp
+
 	hlsl/hlslGrammar.cpp
 	hlsl/hlslOpMap.cpp
 	hlsl/hlslParseables.cpp
@@ -44,6 +44,13 @@ set(SRCS
 	SPIRV/SPVRemapper.cpp
 )
 
+if(WIN32)
+	list(APPEND SRCS 	glslang/OSDependent/Windows/ossource.cpp)
+else()
+	list(APPEND SRCS 	glslang/OSDependent/Unix/ossource.cpp)
+endif()
+
+if(NOT MSVC)
 # glslang requires C++11 at a minimum to compile.
 add_definitions(-std=c++11)
 
@@ -53,6 +60,6 @@ add_definitions(-Wno-reorder)
 add_definitions(-Wno-sign-compare)
 add_definitions(-Wno-parentheses)
 add_definitions(-Wno-unused-variable)
+endif()
 
 add_library(glslang STATIC ${SRCS})
-
diff --git a/Externals/libusb/CMakeLists.txt b/Externals/libusb/CMakeLists.txt
index fe8c236140e0..84754f1130a9 100644
--- a/Externals/libusb/CMakeLists.txt
+++ b/Externals/libusb/CMakeLists.txt
@@ -1,4 +1,4 @@
-add_library(usb SHARED EXCLUDE_FROM_ALL
+add_library(usb STATIC EXCLUDE_FROM_ALL
     libusb/core.c
     libusb/core.c
     libusb/descriptor.c
@@ -8,6 +8,9 @@ add_library(usb SHARED EXCLUDE_FROM_ALL
     libusb/sync.c
 )
 set_target_properties(usb PROPERTIES VERSION 1.0.19)
+if(WIN32)
+    target_include_directories(usb BEFORE PUBLIC libusb PRIVATE msvc)
+else()
 target_include_directories(usb
     # turns out other projects also have "config.h", so make sure the
     # LibUSB one comes first
@@ -16,9 +19,14 @@ target_include_directories(usb
     PUBLIC libusb
     PRIVATE "${CMAKE_CURRENT_BINARY_DIR}"
 )
+endif()
 
 if(WIN32 OR CYGWIN)
-    target_sources(usb PRIVATE libusb/os/windows_usb.c)
+    target_sources(usb PRIVATE
+      libusb/os/threads_windows.c
+      libusb/os/windows_winusb.c
+      libusb/os/windows_nt_common.c
+    )
     set(OS_WINDOWS TRUE)
 elseif(APPLE)
     target_sources(usb PRIVATE libusb/os/darwin_usb.c)
diff --git a/Source/CMakeLists.txt b/Source/CMakeLists.txt
index 2cc8c77c129b..46f2a9c9ccfd 100644
--- a/Source/CMakeLists.txt
+++ b/Source/CMakeLists.txt
@@ -1,3 +1,13 @@
+check_and_add_flag(CXX14 -std=c++14)
+if(NOT FLAG_CXX_CXX14)
+  check_and_add_flag(HAS_CXX1Y -std=c++1y)
+endif()
+
+# These aren't actually needed for C11/C++11
+# but some dependencies require them (LLVM, libav).
+add_definitions(-D__STDC_LIMIT_MACROS)
+add_definitions(-D__STDC_CONSTANT_MACROS)
+
 set(CMAKE_FAKELANG_CREATE_STATIC_LIBRARY "touch <TARGET>")
 if(ENABLE_PCH)
 	# This is actually a .h file, but trick cmake into compiling it as a source file