Windows: Drop support for Windows XP

XP is nearly 20 years old and there are hoops we jump through to keep
supporting it. Time to say goodbye and simplify some things.

Closes #267

Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>

16 files changed, 50 insertions, 151 deletions

diff --git a/configure.ac b/configure.ac
index ddde325..0bd2cd8 100644
--- a/configure.ac
+++ b/configure.ac
@@ -178,8 +178,7 @@ windows)
 	LIBS=""
 	LTLDFLAGS="${LTLDFLAGS} -avoid-version -Wl,--add-stdcall-alias"
 	AC_DEFINE([POLL_NFDS_TYPE],[unsigned int],[type of second poll() argument])
-	AC_DEFINE([WINVER], 0x0501, [Oldest Windows version supported])
-	AC_DEFINE([_WIN32_WINNT], 0x0501, [Oldest Windows version supported])
+	AC_DEFINE([_WIN32_WINNT], [_WIN32_WINNT_VISTA], [Oldest Windows version supported (Vista)])
 	;;
 haiku)
 	AC_DEFINE(OS_HAIKU, 1, [Haiku backend])
diff --git a/libusb/os/threads_windows.c b/libusb/os/threads_windows.c
index 030f89e..27b1fb5 100644
--- a/libusb/os/threads_windows.c
+++ b/libusb/os/threads_windows.c
@@ -2,6 +2,7 @@
  * libusb synchronization on Microsoft Windows
  *
  * Copyright © 2010 Michael Plante <michael.plante@gmail.com>
+ * Copyright © 2020 Chris Dickens <christopher.a.dickens@gmail.com>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
@@ -24,97 +25,20 @@
 
 #include "libusbi.h"
 
-struct usbi_cond_perthread {
-	struct list_head list;
-	HANDLE event;
-};
-
-void usbi_cond_init(usbi_cond_t *cond)
-{
-	list_init(&cond->waiters);
-	list_init(&cond->not_waiting);
-}
-
-static int usbi_cond_intwait(usbi_cond_t *cond,
-	usbi_mutex_t *mutex, DWORD timeout_ms)
-{
-	struct usbi_cond_perthread *pos;
-	DWORD r;
-
-	// Same assumption as usbi_cond_broadcast() holds
-	if (list_empty(&cond->not_waiting)) {
-		pos = malloc(sizeof(*pos));
-		if (pos == NULL)
-			return ENOMEM; // This errno is not POSIX-allowed.
-		pos->event = CreateEvent(NULL, FALSE, FALSE, NULL); // auto-reset.
-		if (pos->event == NULL) {
-			free(pos);
-			return ENOMEM;
-		}
-	} else {
-		pos = list_first_entry(&cond->not_waiting, struct usbi_cond_perthread, list);
-		list_del(&pos->list); // remove from not_waiting list.
-		// Ensure the event is clear before waiting
-		WaitForSingleObject(pos->event, 0);
-	}
-
-	list_add(&pos->list, &cond->waiters);
-
-	LeaveCriticalSection(mutex);
-	r = WaitForSingleObject(pos->event, timeout_ms);
-	EnterCriticalSection(mutex);
-
-	list_del(&pos->list);
-	list_add(&pos->list, &cond->not_waiting);
-
-	if (r == WAIT_OBJECT_0)
-		return 0;
-	else if (r == WAIT_TIMEOUT)
-		return ETIMEDOUT;
-	else
-		return EINVAL;
-}
-
-// N.B.: usbi_cond_*wait() can also return ENOMEM, even though pthread_cond_*wait cannot!
-int usbi_cond_wait(usbi_cond_t *cond, usbi_mutex_t *mutex)
-{
-	return usbi_cond_intwait(cond, mutex, INFINITE);
-}
-
 int usbi_cond_timedwait(usbi_cond_t *cond,
 	usbi_mutex_t *mutex, const struct timeval *tv)
 {
 	DWORD millis;
 
-	millis = (DWORD)(tv->tv_sec * 1000) + (tv->tv_usec / 1000);
+	millis = (DWORD)(tv->tv_sec * 1000L) + (tv->tv_usec / 1000L);
 	/* round up to next millisecond */
-	if (tv->tv_usec % 1000)
+	if (tv->tv_usec % 1000L)
 		millis++;
-	return usbi_cond_intwait(cond, mutex, millis);
-}
-
-void usbi_cond_broadcast(usbi_cond_t *cond)
-{
-	// Assumes mutex is locked; this is not in keeping with POSIX spec, but
-	//   libusb does this anyway, so we simplify by not adding more sync
-	//   primitives to the CV definition!
-	struct usbi_cond_perthread *pos;
-
-	list_for_each_entry(pos, &cond->waiters, list, struct usbi_cond_perthread)
-		SetEvent(pos->event);
-	// The wait function will remove its respective item from the list.
-}
 
-void usbi_cond_destroy(usbi_cond_t *cond)
-{
-	// This assumes no one is using this anymore.  The check MAY NOT BE safe.
-	struct usbi_cond_perthread *pos, *next;
-
-	if (!list_empty(&cond->waiters))
-		return; // (!see above!)
-	list_for_each_entry_safe(pos, next, &cond->not_waiting, list, struct usbi_cond_perthread) {
-		CloseHandle(pos->event);
-		list_del(&pos->list);
-		free(pos);
-	}
-}
+	if (SleepConditionVariableCS(cond, mutex, millis))
+		return 0;
+	else if (GetLastError() == ERROR_TIMEOUT)
+		return ETIMEDOUT;
+	else
+		return EINVAL;
+}
\ No newline at end of file
diff --git a/libusb/os/threads_windows.h b/libusb/os/threads_windows.h
index e971163..3a98df5 100644
--- a/libusb/os/threads_windows.h
+++ b/libusb/os/threads_windows.h
@@ -57,7 +57,7 @@ static inline void usbi_mutex_destroy(usbi_mutex_t *mutex)
 }
 
 // We *were* getting timespec from pthread.h:
-#if (!defined(HAVE_STRUCT_TIMESPEC) && !defined(_TIMESPEC_DEFINED))
+#if !defined(HAVE_STRUCT_TIMESPEC) && !defined(_TIMESPEC_DEFINED)
 #define HAVE_STRUCT_TIMESPEC 1
 #define _TIMESPEC_DEFINED 1
 struct timespec {
@@ -71,19 +71,25 @@ struct timespec {
 #define ETIMEDOUT	10060	/* This is the value in winsock.h. */
 #endif
 
-typedef struct usbi_cond {
-	// Every time a thread touches the CV, it winds up in one of these lists.
-	//   It stays there until the CV is destroyed, even if the thread terminates.
-	struct list_head waiters;
-	struct list_head not_waiting;
-} usbi_cond_t;
-
-void usbi_cond_init(usbi_cond_t *cond);
-int usbi_cond_wait(usbi_cond_t *cond, usbi_mutex_t *mutex);
+typedef CONDITION_VARIABLE usbi_cond_t;
+static inline void usbi_cond_init(usbi_cond_t *cond)
+{
+	InitializeConditionVariable(cond);
+}
+static inline void usbi_cond_wait(usbi_cond_t *cond, usbi_mutex_t *mutex)
+{
+	(void)SleepConditionVariableCS(cond, mutex, INFINITE);
+}
 int usbi_cond_timedwait(usbi_cond_t *cond,
 	usbi_mutex_t *mutex, const struct timeval *tv);
-void usbi_cond_broadcast(usbi_cond_t *cond);
-void usbi_cond_destroy(usbi_cond_t *cond);
+static inline void usbi_cond_broadcast(usbi_cond_t *cond)
+{
+	WakeAllConditionVariable(cond);
+}
+static inline void usbi_cond_destroy(usbi_cond_t *cond)
+{
+	UNUSED(cond);
+}
 
 typedef DWORD usbi_tls_key_t;
 static inline void usbi_tls_key_create(usbi_tls_key_t *key)
diff --git a/libusb/os/windows_common.c b/libusb/os/windows_common.c
index 577899a..e69d0b0 100644
--- a/libusb/os/windows_common.c
+++ b/libusb/os/windows_common.c
@@ -34,7 +34,6 @@
 #define EPOCH_TIME	UINT64_C(116444736000000000)	// 1970.01.01 00:00:000 in MS Filetime
 
 // Public
-BOOL (WINAPI *pCancelIoEx)(HANDLE, LPOVERLAPPED);
 enum windows_version windows_version = WINDOWS_UNDEFINED;
 
  // Global variables for init/exit
@@ -59,11 +58,6 @@ struct timer_request {
 static HANDLE timer_thread = NULL;
 static DWORD timer_thread_id = 0;
 
-/* Kernel32 dependencies */
-DLL_DECLARE_HANDLE(Kernel32);
-/* This call is only available from XP SP2 */
-DLL_DECLARE_FUNC_PREFIXED(WINAPI, BOOL, p, IsWow64Process, (HANDLE, PBOOL));
-
 /* User32 dependencies */
 DLL_DECLARE_HANDLE(User32);
 DLL_DECLARE_FUNC_PREFIXED(WINAPI, BOOL, p, GetMessageA, (LPMSG, HWND, UINT, UINT));
@@ -287,12 +281,6 @@ void windows_force_sync_completion(OVERLAPPED *overlapped, ULONG size)
 
 static BOOL windows_init_dlls(void)
 {
-	DLL_GET_HANDLE(Kernel32);
-	DLL_LOAD_FUNC_PREFIXED(Kernel32, p, IsWow64Process, FALSE);
-	pCancelIoEx = (BOOL (WINAPI *)(HANDLE, LPOVERLAPPED))
-		GetProcAddress(DLL_HANDLE_NAME(Kernel32), "CancelIoEx");
-	usbi_dbg("Will use CancelIo%s for I/O cancellation", pCancelIoEx ? "Ex" : "");
-
 	DLL_GET_HANDLE(User32);
 	DLL_LOAD_FUNC_PREFIXED(User32, p, GetMessageA, TRUE);
 	DLL_LOAD_FUNC_PREFIXED(User32, p, PeekMessageA, TRUE);
@@ -303,7 +291,6 @@ static BOOL windows_init_dlls(void)
 
 static void windows_exit_dlls(void)
 {
-	DLL_FREE_HANDLE(Kernel32);
 	DLL_FREE_HANDLE(User32);
 }
 
@@ -394,8 +381,7 @@ static BOOL is_x64(void)
 
 	// Detect if we're running a 32 or 64 bit system
 	if (sizeof(uintptr_t) < 8) {
-		if (pIsWow64Process != NULL)
-			pIsWow64Process(GetCurrentProcess(), &ret);
+		IsWow64Process(GetCurrentProcess(), &ret);
 	} else {
 		ret = TRUE;
 	}
diff --git a/libusb/os/windows_common.h b/libusb/os/windows_common.h
index 7533573..069b147 100644
--- a/libusb/os/windows_common.h
+++ b/libusb/os/windows_common.h
@@ -134,9 +134,6 @@ enum windows_version {
 
 extern enum windows_version windows_version;
 
-/* This call is only available from Vista */
-extern BOOL (WINAPI *pCancelIoEx)(HANDLE, LPOVERLAPPED);
-
 #include <pshpack1.h>
 
 typedef struct USB_DEVICE_DESCRIPTOR {
diff --git a/libusb/os/windows_usbdk.c b/libusb/os/windows_usbdk.c
index aa48ce2..bbec3d8 100644
--- a/libusb/os/windows_usbdk.c
+++ b/libusb/os/windows_usbdk.c
@@ -728,20 +728,12 @@ static int usbdk_abort_transfers(struct usbi_transfer *itransfer)
 	struct usbdk_transfer_priv *transfer_priv = _usbdk_transfer_priv(itransfer);
 	struct winfd *pollable_fd = &transfer_priv->pollable_fd;
 
-	if (pCancelIoEx != NULL) {
-		// Use CancelIoEx if available to cancel just a single transfer
-		if (!pCancelIoEx(priv->system_handle, pollable_fd->overlapped)) {
-			usbi_err(ctx, "CancelIoEx failed: %s", windows_error_str(0));
-			return LIBUSB_ERROR_NO_DEVICE;
-		}
-	} else {
-		if (!usbdk_helper.AbortPipe(priv->redirector_handle, transfer->endpoint)) {
-			usbi_err(ctx, "AbortPipe failed: %s", windows_error_str(0));
-			return LIBUSB_ERROR_NO_DEVICE;
-		}
-	}
+	// Use CancelIoEx to cancel just a single transfer
+	if (CancelIoEx(priv->system_handle, pollable_fd->overlapped))
+		return LIBUSB_SUCCESS;
 
-	return LIBUSB_SUCCESS;
+	usbi_warn(ctx, "CancelIoEx failed: %s", windows_error_str(0));
+	return LIBUSB_ERROR_NOT_FOUND;
 }
 
 static int usbdk_cancel_transfer(struct usbi_transfer *itransfer)
diff --git a/libusb/os/windows_winusb.c b/libusb/os/windows_winusb.c
index ddd6e86..9fd188f 100644
--- a/libusb/os/windows_winusb.c
+++ b/libusb/os/windows_winusb.c
@@ -2100,8 +2100,8 @@ static int winusbx_init(struct libusb_context *ctx)
 
 		if (WinUSBX[i].Initialize != NULL) {
 			WinUSBX[i].initialized = true;
-			// Assume driver supports CancelIoEx() if it is available
-			WinUSBX[i].CancelIoEx_supported = (pCancelIoEx != NULL);
+			// Assume driver supports CancelIoEx()
+			WinUSBX[i].CancelIoEx_supported = true;
 			usbi_dbg("initalized sub API %s", winusbx_driver_names[i]);
 		} else {
 			usbi_warn(ctx, "Failed to initalize sub API %s", winusbx_driver_names[i]);
@@ -2926,7 +2926,7 @@ static int winusbx_abort_transfers(int sub_api, struct usbi_transfer *itransfer)
 	if (WinUSBX[sub_api].CancelIoEx_supported) {
 		// Try to use CancelIoEx if available to cancel just a single transfer
 		handle = handle_priv->interface_handle[current_interface].dev_handle;
-		if (pCancelIoEx(handle, transfer_priv->pollable_fd.overlapped))
+		if (CancelIoEx(handle, transfer_priv->pollable_fd.overlapped))
 			return LIBUSB_SUCCESS;
 		else if (GetLastError() == ERROR_NOT_FOUND)
 			return LIBUSB_ERROR_NOT_FOUND;
@@ -3978,16 +3978,11 @@ static int hid_abort_transfers(int sub_api, struct usbi_transfer *itransfer)
 
 	hid_handle = handle_priv->interface_handle[current_interface].api_handle;
 
-	if (pCancelIoEx != NULL) {
-		// Use CancelIoEx if available to cancel just a single transfer
-		if (pCancelIoEx(hid_handle, transfer_priv->pollable_fd.overlapped))
+	// Use CancelIoEx to cancel just a single transfer
+	if (CancelIoEx(hid_handle, transfer_priv->pollable_fd.overlapped))
 			return LIBUSB_SUCCESS;
-	} else {
-		if (CancelIo(hid_handle))
-			return LIBUSB_SUCCESS;
-	}
 
-	usbi_warn(ctx, "cancel failed: %s", windows_error_str(0));
+	usbi_warn(ctx, "CancelIoEx failed: %s", windows_error_str(0));
 	return LIBUSB_ERROR_NOT_FOUND;
 }
 
diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index ff18b42..a8f90d9 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11432
+#define LIBUSB_NANO 11433
diff --git a/msvc/libusb_dll_2013.vcxproj b/msvc/libusb_dll_2013.vcxproj
index 2526945..b858f77 100644
--- a/msvc/libusb_dll_2013.vcxproj
+++ b/msvc/libusb_dll_2013.vcxproj
@@ -46,7 +46,7 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <AdditionalIncludeDirectories>.;..\libusb;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WINVER=0x0501;_WIN32_WINNT=0x0501;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WIN32_WINNT=_WIN32_WINNT_VISTA;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level4</WarningLevel>
     </ClCompile>
     <ClCompile Condition="'$(Configuration)'=='Debug'">
diff --git a/msvc/libusb_dll_2015.vcxproj b/msvc/libusb_dll_2015.vcxproj
index b89f7d4..4a73ef7 100644
--- a/msvc/libusb_dll_2015.vcxproj
+++ b/msvc/libusb_dll_2015.vcxproj
@@ -47,7 +47,7 @@
     <ClCompile>
       <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
       <AdditionalIncludeDirectories>.;..\libusb;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WINVER=0x0501;_WIN32_WINNT=0x0501;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WIN32_WINNT=_WIN32_WINNT_VISTA;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level4</WarningLevel>
     </ClCompile>
     <ClCompile Condition="'$(Configuration)'=='Debug'">
diff --git a/msvc/libusb_dll_2017.vcxproj b/msvc/libusb_dll_2017.vcxproj
index 63767cd..20fa6c4 100644
--- a/msvc/libusb_dll_2017.vcxproj
+++ b/msvc/libusb_dll_2017.vcxproj
@@ -66,7 +66,7 @@
     <ClCompile>
       <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
       <AdditionalIncludeDirectories>.;..\libusb;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WINVER=0x0501;_WIN32_WINNT=0x0501;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WIN32_WINNT=_WIN32_WINNT_VISTA;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level4</WarningLevel>
     </ClCompile>
     <ClCompile Condition="'$(Configuration)'=='Debug'">
diff --git a/msvc/libusb_dll_2019.vcxproj b/msvc/libusb_dll_2019.vcxproj
index 5dc8ae8..69e42e1 100644
--- a/msvc/libusb_dll_2019.vcxproj
+++ b/msvc/libusb_dll_2019.vcxproj
@@ -66,7 +66,7 @@
     <ClCompile>
       <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
       <AdditionalIncludeDirectories>.;..\libusb;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WINVER=0x0501;_WIN32_WINNT=0x0501;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WIN32_WINNT=_WIN32_WINNT_VISTA;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <WarningLevel>Level4</WarningLevel>
     </ClCompile>
     <ClCompile Condition="'$(Configuration)'=='Debug'">
diff --git a/msvc/libusb_static_2013.vcxproj b/msvc/libusb_static_2013.vcxproj
index d74730a..559acf1 100644
--- a/msvc/libusb_static_2013.vcxproj
+++ b/msvc/libusb_static_2013.vcxproj
@@ -46,7 +46,7 @@
   <ItemDefinitionGroup>
     <ClCompile>
       <AdditionalIncludeDirectories>.;..\libusb;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WINVER=0x0501;_WIN32_WINNT=0x0501;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WIN32_WINNT=_WIN32_WINNT_VISTA;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
       <WarningLevel>Level4</WarningLevel>
     </ClCompile>
diff --git a/msvc/libusb_static_2015.vcxproj b/msvc/libusb_static_2015.vcxproj
index 336441b..ba07666 100644
--- a/msvc/libusb_static_2015.vcxproj
+++ b/msvc/libusb_static_2015.vcxproj
@@ -47,7 +47,7 @@
     <ClCompile>
       <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
       <AdditionalIncludeDirectories>.;..\libusb;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WINVER=0x0501;_WIN32_WINNT=0x0501;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WIN32_WINNT=_WIN32_WINNT_VISTA;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
       <WarningLevel>Level4</WarningLevel>
     </ClCompile>
diff --git a/msvc/libusb_static_2017.vcxproj b/msvc/libusb_static_2017.vcxproj
index 7d157aa..08816d2 100644
--- a/msvc/libusb_static_2017.vcxproj
+++ b/msvc/libusb_static_2017.vcxproj
@@ -66,7 +66,7 @@
     <ClCompile>
       <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
       <AdditionalIncludeDirectories>.;..\libusb;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WINVER=0x0501;_WIN32_WINNT=0x0501;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WIN32_WINNT=_WIN32_WINNT_VISTA;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
       <WarningLevel>Level4</WarningLevel>
     </ClCompile>
diff --git a/msvc/libusb_static_2019.vcxproj b/msvc/libusb_static_2019.vcxproj
index 894bc92..24ab3e3 100644
--- a/msvc/libusb_static_2019.vcxproj
+++ b/msvc/libusb_static_2019.vcxproj
@@ -66,7 +66,7 @@
     <ClCompile>
       <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
       <AdditionalIncludeDirectories>.;..\libusb;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>WINVER=0x0501;_WIN32_WINNT=0x0501;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>_WIN32_WINNT=_WIN32_WINNT_VISTA;_LIB;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ProgramDataBaseFileName>$(IntDir)$(TargetName).pdb</ProgramDataBaseFileName>
       <WarningLevel>Level4</WarningLevel>
     </ClCompile>