avoid the extern keyword in .cpp files

Source/Core/Common/ArmEmitter.cpp

@@ -916,7 +916,7 @@ u32 EncodeVm(ARMReg Vm)
 }
 
 // Double/single, Neon
-extern const VFPEnc VFPOps[16][2] = {
+const VFPEnc VFPOps[16][2] = {
 	{{0xE0, 0xA0}, {  -1,   -1}}, // 0: VMLA
 	{{0xE1, 0xA4}, {  -1,   -1}}, // 1: VNMLA
 	{{0xE0, 0xA4}, {  -1,   -1}}, // 2: VMLS

Source/Core/Common/MsgHandler.h

@@ -22,7 +22,7 @@ typedef std::string (*StringTranslator)(const char* text);
 void RegisterMsgAlertHandler(MsgAlertHandler handler);
 void RegisterStringTranslator(StringTranslator translator);
 
-extern bool MsgAlert(bool yes_no, int Style, const char* format, ...)
+bool MsgAlert(bool yes_no, int Style, const char* format, ...)
 #ifdef __GNUC__
 	__attribute__((format(printf, 3, 4)))
 #endif

Source/Core/Core/HW/DSPHLE/UCodes/UCodes.h

@@ -136,4 +136,4 @@ private:
 	bool m_needs_resume_mail;
 };
 
-extern UCodeInterface* UCodeFactory(u32 crc, DSPHLE *dsphle, bool wii);
+UCodeInterface* UCodeFactory(u32 crc, DSPHLE *dsphle, bool wii);

Source/Core/Core/HW/EXI_Device.h

@@ -53,4 +53,4 @@ public:
 	TEXIDevices m_deviceType;
 };
 
-extern IEXIDevice* EXIDevice_Create(const TEXIDevices device_type, const int channel_num);
+IEXIDevice* EXIDevice_Create(const TEXIDevices device_type, const int channel_num);

Source/Core/Core/HW/Memmap.h

@@ -47,7 +47,6 @@ extern u8 *m_pEXRAM;
 extern u8 *m_pL1Cache;
 extern u8 *m_pVirtualFakeVMEM;
 extern u8 *m_pFakeVMEM;
-extern bool bFakeVMEM;
 
 enum
 {

Source/Core/Core/HW/MemmapFunctions.cpp

@@ -22,6 +22,7 @@
 #include "Core/HW/GPFifo.h"
 #include "Core/HW/Memmap.h"
 #include "Core/HW/MMIO.h"
+#include "Core/PowerPC/JitInterface.h"
 #include "Core/PowerPC/PowerPC.h"
 
 #include "VideoCommon/VideoBackendBase.h"
@@ -53,15 +54,6 @@ GXPeekZ
 // From Memmap.cpp
 // ----------------
 
-// Pointers to low memory
-extern u8 *m_pFakeVMEM;
-extern u8 *m_pEXRAM;  // Wii
-extern u8 *m_pEFB;
-
-// Init
-extern bool m_IsInitialized;
-extern bool bFakeVMEM;
-
 // Overloaded byteswap functions, for use within the templated functions below.
 inline u8 bswap(u8 val)   {return val;}
 inline u16 bswap(u16 val) {return Common::swap16(val);}

Source/Core/Core/HW/SI_Device.h

@@ -95,4 +95,4 @@ public:
 	}
 };
 
-extern ISIDevice* SIDevice_Create(const SIDevices device, const int port_number);
+ISIDevice* SIDevice_Create(const SIDevices device, const int port_number);

Source/Core/Core/IPC_HLE/WII_IPC_HLE_Device_net.cpp

@@ -50,8 +50,6 @@ typedef struct pollfd pollfd_t;
 #include <errno.h>
 #endif
 
-extern std::queue<std::pair<u32,std::string> > g_ReplyQueueLater;
-
 // **********************************************************************************
 // Handle /dev/net/kd/request requests
 CWII_IPC_HLE_Device_net_kd_request::CWII_IPC_HLE_Device_net_kd_request(u32 _DeviceID, const std::string& _rDeviceName)

Source/Core/Core/PowerPC/Jit64/Jit.cpp

@@ -142,11 +142,6 @@ ps_adds1
 
 static int CODE_SIZE = 1024*1024*32;
 
-namespace CPUCompare
-{
-	extern u32 m_BlockStart;
-}
-
 void Jit64::Init()
 {
 	jo.optimizeStack = true;

Source/Core/Core/PowerPC/Jit64IL/JitIL.cpp

@@ -234,11 +234,6 @@ namespace JitILProfiler
 
 static int CODE_SIZE = 1024*1024*32;
 
-namespace CPUCompare
-{
-	extern u32 m_BlockStart;
-}
-
 void JitIL::Init()
 {
 	jo.optimizeStack = true;

Source/Core/Core/PowerPC/JitArm32/Jit.cpp

@@ -26,10 +26,6 @@ using namespace ArmGen;
 using namespace PowerPC;
 
 static int CODE_SIZE = 1024*1024*32;
-namespace CPUCompare
-{
-	extern u32 m_BlockStart;
-}
 
 void JitArm::Init()
 {

Source/Core/Core/PowerPC/JitArm32/JitArm_Integer.cpp

@@ -14,8 +14,6 @@
 #include "Core/PowerPC/JitArm32/JitAsm.h"
 #include "Core/PowerPC/JitArm32/JitRegCache.h"
 
-extern u32 Helper_Mask(u8 mb, u8 me);
-
 // Assumes that Sign and Zero flags were set by the last operation. Preserves all flags and registers.
 // Jit64 ComputerRC is signed
 // JIT64 GenerateRC is unsigned

Source/Core/Core/PowerPC/JitArmIL/JitIL.cpp

@@ -25,10 +25,7 @@ using namespace ArmGen;
 using namespace PowerPC;
 
 static int CODE_SIZE = 1024*1024*32;
-namespace CPUCompare
-{
-	extern u32 m_BlockStart;
-}
+
 void JitArmIL::Init()
 {
 	AllocCodeSpace(CODE_SIZE);

Source/Core/Core/PowerPC/JitCommon/JitBackpatch.cpp

@@ -19,8 +19,6 @@
 
 using namespace Gen;
 
-extern u8 *trampolineCodePtr;
-
 #if _M_X86_64
 static void BackPatchError(const std::string &text, u8 *codePtr, u32 emAddress) {
 	u64 code_addr = (u64)codePtr;

Source/Core/DolphinWX/CheatsWindow.cpp

@@ -44,13 +44,12 @@
 #include "DolphinWX/Frame.h"
 #include "DolphinWX/GeckoCodeDiag.h"
 #include "DolphinWX/ISOProperties.h"
+#include "DolphinWX/Main.h"
 #include "DolphinWX/WxUtils.h"
 
 class wxWindow;
 
 #define MAX_CHEAT_SEARCH_RESULTS_DISPLAY  256
-extern std::vector<ActionReplay::ARCode> arCodes;
-extern CFrame* main_frame;
 
 // meh
 static wxCheatsWindow *g_cheat_window;

Source/Core/DolphinWX/ConfigMain.cpp

@@ -71,8 +71,6 @@ const CPUCore CPUCores[] = {
 #endif
 };
 
-extern CFrame* main_frame;
-
 // keep these in sync with CConfigMain::InitializeGUILists
 static const wxLanguage langIds[] =
 {

Source/Core/DolphinWX/Debugger/DebuggerPanel.cpp

@@ -43,12 +43,6 @@ BEGIN_EVENT_TABLE(GFXDebuggerPanel, wxPanel)
 	EVT_BUTTON(ID_CLEAR_PIXEL_SHADER_CACHE,GFXDebuggerPanel::OnClearPixelShaderCacheButton)
 END_EVENT_TABLE()
 
-// From VideoCommon
-extern GFXDebuggerBase *g_pdebugger;
-extern volatile bool GFXDebuggerPauseFlag;
-extern volatile PauseEvent GFXDebuggerToPauseAtNext;
-extern volatile int GFXDebuggerEventToPauseCount;
-
 GFXDebuggerPanel::GFXDebuggerPanel(wxWindow *parent, wxWindowID id, const wxPoint &position,
 									const wxSize& size, long style, const wxString &title)
 	: wxPanel(parent, id, position, size, style, title)

Source/Core/DolphinWX/Frame.cpp

@@ -61,6 +61,7 @@
 #include "DolphinWX/GameListCtrl.h"
 #include "DolphinWX/Globals.h"
 #include "DolphinWX/LogWindow.h"
+#include "DolphinWX/Main.h"
 #include "DolphinWX/TASInputDlg.h"
 #include "DolphinWX/WxUtils.h"
 #include "DolphinWX/Debugger/CodeWindow.h"
@@ -88,9 +89,6 @@ HWND MSWGetParent_(HWND Parent)
 // ---------------
 // The CPanel class to receive MSWWindowProc messages from the video backend.
 
-extern CFrame* main_frame;
-
-
 BEGIN_EVENT_TABLE(CPanel, wxPanel)
 END_EVENT_TABLE()
 

Source/Core/DolphinWX/GameListCtrl.cpp

@@ -84,8 +84,6 @@ size_t CGameListCtrl::m_numberItem = 0;
 std::string CGameListCtrl::m_currentFilename;
 static bool sorted = false;
 
-extern CFrame* main_frame;
-
 static int CompareGameListItems(const GameListItem* iso1, const GameListItem* iso2,
                                 long sortData = CGameListCtrl::COLUMN_TITLE)
 {

Source/Core/DolphinWX/NetWindow.cpp

@@ -42,6 +42,7 @@
 #include "DolphinWX/Frame.h"
 #include "DolphinWX/GameListCtrl.h"
 #include "DolphinWX/ISOFile.h"
+#include "DolphinWX/Main.h"
 #include "DolphinWX/NetWindow.h"
 #include "DolphinWX/WxUtils.h"
 
@@ -56,7 +57,6 @@ END_EVENT_TABLE()
 
 static NetPlayServer* netplay_server = nullptr;
 static NetPlayClient* netplay_client = nullptr;
-extern CFrame* main_frame;
 NetPlayDiag *NetPlayDiag::npd = nullptr;
 
 static std::string BuildGameName(const GameListItem& game)