Port to VS 2008. Drop W9x support.

Tools/msi/msisupport.c

 #include "windows.h"
 #include "msiquery.h"
 
-int isWinNT;
-
 /* Print a debug message to the installer log file.
  * To see the debug messages, install with
  * msiexec /i pythonxy.msi /l*v python.log
@@ -30,21 +28,14 @@ UINT __declspec(dllexport) __stdcall CheckDir(MSIHANDLE hInstall)
 	DWORD size = PSIZE;
 	DWORD attributes;
 
-	isWinNT = (GetVersion() < 0x80000000) ? 1 : 0;
 	
-	if (isWinNT)
-		result = MsiGetPropertyW(hInstall, L"TARGETDIR", wpath, &size);
-	else
-		result = MsiGetPropertyA(hInstall, "TARGETDIR", path, &size);
+	result = MsiGetPropertyW(hInstall, L"TARGETDIR", wpath, &size);
 	if (result != ERROR_SUCCESS)
 		return result;
 	wpath[size] = L'\0';
 	path[size] = L'\0';
 
-	if (isWinNT)
-		attributes = GetFileAttributesW(wpath);
-	else
-		attributes = GetFileAttributesA(path);
+	attributes = GetFileAttributesW(wpath);
 	if (attributes == INVALID_FILE_ATTRIBUTES ||
 		!(attributes & FILE_ATTRIBUTE_DIRECTORY)) 
 	{

Tools/msi/msisupport.mak

-!IF "$(CPU)" == ""
-# VS environment
-
 # /OPT: REF and ICF are added by VS.NET by default
-# NOWIN98 saves 7k of executable size, at the expense of some
-# slowdown on Win98
 msisupport.dll:	msisupport.obj
-	link.exe /OUT:msisupport.dll /INCREMENTAL:NO /NOLOGO /DLL /MACHINE:X86 /SUBSYSTEM:WINDOWS /OPT:REF /OPT:ICF /OPT:NOWIN98 msisupport.obj msi.lib kernel32.lib
+	link.exe /OUT:msisupport.dll /INCREMENTAL:NO /NOLOGO /DLL /SUBSYSTEM:WINDOWS /OPT:REF /OPT:ICF msisupport.obj msi.lib kernel32.lib
 
 # We request a static CRT, so that there will be no CRT dependencies
 # for the target system. We cannot do without a CRT, since it provides
 # the DLL entry point.
 msisupport.obj:	msisupport.c
 	cl /O2 /D WIN32 /D NDEBUG /D _WINDOWS /MT /W3 /c msisupport.c
-
-!ELSE
-# SDK environment: assume all options are already correct
-
-msisupport.dll:	msisupport.obj
-	link.exe /OUT:msisupport.dll /INCREMENTAL:NO /NOLOGO /DLL msisupport.obj msi.lib kernel32.lib
-
-msisupport.obj:	msisupport.c
-	cl /O2 /D WIN32 /D NDEBUG /D _WINDOWS /MD /W3 /GS- /c msisupport.c
-!ENDIF
-