Add build support for AMD64.

Tools/msi/msi.py

@@ -8,8 +8,6 @@ from win32com.client import constants
 from distutils.spawn import find_executable
 
 # Settings can be overridden in config.py below
-# 1 for Itanium build
-msilib.Win64 = 0
 # 0 for official python.org releases
 # 1 for intermediate releases by anybody, with
 # a new product code for every package.
@@ -129,7 +127,6 @@ pythondll_uuid = {
     "25":"{2e41b118-38bd-4c1b-a840-6977efd1b911}"
     } [major+minor]
 
-
 # Build the mingw import library, libpythonXY.a
 # This requires 'nm' and 'dlltool' executables on your PATH
 def build_mingw_lib(lib_file, def_file, dll_file, mingw_lib):
@@ -176,6 +173,12 @@ mingw_lib = os.path.join(srcdir, "PCBuild", "libpython%s%s.a" % (major, minor))
 
 have_mingw = build_mingw_lib(lib_file, def_file, dll_file, mingw_lib)
 
+# Determine the target architechture
+dll_path = os.path.join(srcdir, "PCBuild", dll_file)
+msilib.set_arch_from_file(dll_path)
+if msilib.pe_type(dll_path) != msilib.pe_type("msisupport.dll"):
+    raise SystemError, "msisupport.dll for incorrect architecture"
+
 if testpackage:
     ext = 'px'
     testprefix = 'x'
@@ -205,11 +208,7 @@ def build_database():
     # schema represents the installer 2.0 database schema.
     # sequence is the set of standard sequences
     # (ui/execute, admin/advt/install)
-    if msilib.Win64:
-        w64 = ".ia64"
-    else:
-        w64 = ""
-    db = msilib.init_database("python-%s%s.msi" % (full_current_version, w64),
+    db = msilib.init_database("python-%s%s.msi" % (full_current_version, msilib.arch_ext),
                   schema, ProductName="Python "+full_current_version,
                   ProductCode=product_code,
                   ProductVersion=current_version,

Tools/msi/msilib.py

@@ -5,15 +5,13 @@ import win32com.client.gencache
 import win32com.client
 import pythoncom, pywintypes
 from win32com.client import constants
-import re, string, os, sets, glob, popen2, sys, _winreg
+import re, string, os, sets, glob, popen2, sys, _winreg, struct
 
 try:
     basestring
 except NameError:
     basestring = (str, unicode)
 
-Win64 = 0
-
 # Partially taken from Wine
 datasizemask=      0x00ff
 type_valid=        0x0100
@@ -311,10 +309,7 @@ def init_database(name, schema,
     si.SetProperty(PID_TITLE, "Installation Database")
     si.SetProperty(PID_SUBJECT, ProductName)
     si.SetProperty(PID_AUTHOR, Manufacturer)
-    if Win64:
-        si.SetProperty(PID_TEMPLATE, "Intel64;1033")
-    else:
-        si.SetProperty(PID_TEMPLATE, "Intel;1033")
+    si.SetProperty(PID_TEMPLATE, msi_type)
     si.SetProperty(PID_REVNUMBER, gen_uuid())
     si.SetProperty(PID_WORDCOUNT, 2) # long file names, compressed, original media
     si.SetProperty(PID_PAGECOUNT, 200)
@@ -647,3 +642,34 @@ class Dialog:
 
     def checkbox(self, name, x, y, w, h, attr, prop, text, next):
         return self.control(name, "CheckBox", x, y, w, h, attr, prop, text, next, None)
+
+def pe_type(path):
+    header = open(path).read(1000)
+    # offset of PE header is at offset 0x3c; 1-based
+    pe_offset = struct.unpack("<i", header[0x3c:0x40])[0]-1
+    assert header[pe_offset:pe_offset+4] == "PE\0\0"
+    machine = struct.unpack("<H", header[pe_offset+4:pe_offset+6])[0]
+    return machine
+
+def set_arch_from_file(path):
+    global msi_type, Win64, arch_ext
+    machine = pe_type(path)
+    if machine == 0x14c:
+        # i386
+        msi_type = "Intel"
+        Win64 = 0
+        arch_ext = ''
+    elif machine == 0x200:
+        # Itanium
+        msi_type = "Intel64"
+        Win64 = 1
+        arch_ext = '.ia64'
+    elif machine == 0x8664:
+        # AMD64
+        msi_type = "x64"
+        Win64 = 1
+        arch_ext = '.amd64'
+    else:
+        raise ValueError, "Unsupported architecture"
+    msi_type += ";1033"
+

Tools/msi/msisupport.mak

@@ -1,3 +1,6 @@
+!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
@@ -10,3 +13,13 @@ msisupport.dll:	msisupport.obj
 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
+