diff --git a/PC/VC6/_ctypes.dsp b/PC/VC6/_ctypes.dsp
index fdf186a..1c98eac 100644
--- a/PC/VC6/_ctypes.dsp
+++ b/PC/VC6/_ctypes.dsp
@@ -43,8 +43,8 @@
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+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\Modules\_ctypes\libffi_msvc" /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
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@@ -71,8 +71,8 @@
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-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\Modules\_ctypes\libffi_msvc" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\Modules\_ctypes\libffi_msvc" /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
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diff --git a/PC/VC6/_ctypes_test.dsp b/PC/VC6/_ctypes_test.dsp
index 942b30c..d1eb217 100644
--- a/PC/VC6/_ctypes_test.dsp
+++ b/PC/VC6/_ctypes_test.dsp
@@ -43,8 +43,8 @@
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-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
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 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
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@@ -71,8 +71,8 @@
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-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
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diff --git a/PC/VC6/_elementtree.dsp b/PC/VC6/_elementtree.dsp
index 5c9a08b..8dc0cdd 100644
--- a/PC/VC6/_elementtree.dsp
+++ b/PC/VC6/_elementtree.dsp
@@ -43,8 +43,8 @@
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+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\Modules\expat" /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "XML_NS" /D "XML_DTD" /D "BYTEORDER=1234" /D "XML_CONTEXT_BYTES=1024" /D "USE_PYEXPAT_CAPI" /D "XML_STATIC" /D "HAVE_MEMMOVE" /YX /FD /c
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 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
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@@ -71,8 +71,8 @@
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+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\Modules\expat" /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /D "XML_NS" /D "XML_DTD" /D "BYTEORDER=1234" /D "XML_CONTEXT_BYTES=1024" /D "USE_PYEXPAT_CAPI" /D "XML_STATIC" /D "HAVE_MEMMOVE" /YX /FD /c
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diff --git a/PC/VC6/_msi.dsp b/PC/VC6/_msi.dsp
index 38e4ac5..76a61bc 100644
--- a/PC/VC6/_msi.dsp
+++ b/PC/VC6/_msi.dsp
@@ -43,8 +43,8 @@
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-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
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@@ -71,8 +71,8 @@
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-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
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diff --git a/PC/VC6/_multiprocessing.dsp b/PC/VC6/_multiprocessing.dsp
index 2d3d637..2dcaf83 100644
--- a/PC/VC6/_multiprocessing.dsp
+++ b/PC/VC6/_multiprocessing.dsp
@@ -43,8 +43,8 @@
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-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
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@@ -71,8 +71,8 @@
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-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
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diff --git a/PC/VC6/_socket.dsp b/PC/VC6/_socket.dsp
index 4e84055..55ee8f2 100644
--- a/PC/VC6/_socket.dsp
+++ b/PC/VC6/_socket.dsp
@@ -43,8 +43,8 @@
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-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
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@@ -71,8 +71,8 @@
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-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
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diff --git a/PC/VC6/_sqlite3.dsp b/PC/VC6/_sqlite3.dsp
index a8f3329..3869938 100644
--- a/PC/VC6/_sqlite3.dsp
+++ b/PC/VC6/_sqlite3.dsp
@@ -43,8 +43,8 @@
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-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\..\sqlite-source-3.3.4" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D MODULE_NAME=\"sqlite3\" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\..\sqlite-source-3.3.4" /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D MODULE_NAME=\"sqlite3\" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
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@@ -71,8 +71,8 @@
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-# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\..\sqlite-source-3.3.4" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /D MODULE_NAME=\"sqlite3\" /YX /FD /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\..\sqlite-source-3.3.4" /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /D MODULE_NAME=\"sqlite3\" /YX /FD /c
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diff --git a/PC/VC6/_testcapi.dsp b/PC/VC6/_testcapi.dsp
index 5215b63..0eaa25a 100644
--- a/PC/VC6/_testcapi.dsp
+++ b/PC/VC6/_testcapi.dsp
@@ -43,8 +43,8 @@
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-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /O2 /I "..\..\Include" /I ".." /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /O2 /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /c
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@@ -71,8 +71,8 @@
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-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /GZ /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /GZ /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /GZ /c
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diff --git a/PC/VC6/_tkinter.dsp b/PC/VC6/_tkinter.dsp
index 8cda83a..5d69f59 100644
--- a/PC/VC6/_tkinter.dsp
+++ b/PC/VC6/_tkinter.dsp
@@ -43,8 +43,8 @@
 # PROP Ignore_Export_Lib 0
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-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\..\tcltk\include" /I "..\..\Include" /I ".." /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /D "WITH_APPINIT" /YX /FD /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\..\tcltk\include" /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /D "WITH_APPINIT" /YX /FD /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
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@@ -71,8 +71,8 @@
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-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\..\tcltk\include" /I "..\..\Include" /I ".." /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "WITH_APPINIT" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\..\tcltk\include" /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "WITH_APPINIT" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
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diff --git a/PC/VC6/bz2.dsp b/PC/VC6/bz2.dsp
index 90c4de2..3c164fa 100644
--- a/PC/VC6/bz2.dsp
+++ b/PC/VC6/bz2.dsp
@@ -43,8 +43,8 @@
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 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\..\bzip2-1.0.5" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\..\bzip2-1.0.5" /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD BASE RSC /l 0x409 /d "NDEBUG"
@@ -71,8 +71,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\..\bzip2-1.0.5" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\..\bzip2-1.0.5" /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
 # ADD BASE RSC /l 0x409 /d "_DEBUG"
diff --git a/PC/VC6/pyexpat.dsp b/PC/VC6/pyexpat.dsp
index 4035a54..561c9ef 100644
--- a/PC/VC6/pyexpat.dsp
+++ b/PC/VC6/pyexpat.dsp
@@ -43,8 +43,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\Modules\expat" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "XML_NS" /D "XML_DTD" /D BYTEORDER=1234 /D XML_CONTEXT_BYTES=1024 /D "XML_STATIC" /D "HAVE_MEMMOVE" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\Modules\expat" /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "XML_NS" /D "XML_DTD" /D BYTEORDER=1234 /D XML_CONTEXT_BYTES=1024 /D "XML_STATIC" /D "HAVE_MEMMOVE" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD BASE RSC /l 0x409 /d "NDEBUG"
@@ -71,8 +71,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\Modules\expat" /D "_DEBUG" /D "HAVE_EXPAT_H" /D "WIN32" /D "_WINDOWS" /D "XML_NS" /D "XML_DTD" /D BYTEORDER=1234 /D XML_CONTEXT_BYTES=1024 /D "XML_STATIC" /D "HAVE_MEMMOVE" /YX /FD /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\Modules\expat" /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "HAVE_EXPAT_H" /D "WIN32" /D "_WINDOWS" /D "XML_NS" /D "XML_DTD" /D BYTEORDER=1234 /D XML_CONTEXT_BYTES=1024 /D "XML_STATIC" /D "HAVE_MEMMOVE" /YX /FD /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
 # ADD BASE RSC /l 0x409 /d "_DEBUG"
diff --git a/PC/VC6/python.dsp b/PC/VC6/python.dsp
index fa8b772..a071854 100644
--- a/PC/VC6/python.dsp
+++ b/PC/VC6/python.dsp
@@ -41,8 +41,8 @@
 # PROP Intermediate_Dir "x86-temp-release\python"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
 # ADD BASE RSC /l 0x409 /d "NDEBUG"
 # ADD RSC /l 0x409 /d "NDEBUG"
 BSC32=bscmake.exe
@@ -66,8 +66,8 @@
 # PROP Intermediate_Dir "x86-temp-debug\python"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /FR /YX /FD /c
+# ADD BASE CPP /nologo /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_CONSOLE" /D "_MBCS" /FR /YX /FD /c
 # ADD BASE RSC /l 0x409 /d "_DEBUG"
 # ADD RSC /l 0x409 /i "....\\Include" /d "_DEBUG"
 BSC32=bscmake.exe
diff --git a/PC/VC6/pythoncore.dsp b/PC/VC6/pythoncore.dsp
index 295176f..f8a2c81 100644
--- a/PC/VC6/pythoncore.dsp
+++ b/PC/VC6/pythoncore.dsp
@@ -43,8 +43,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\modules\zlib" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "USE_DL_EXPORT" /YX /FD /Zm200 /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\modules\zlib" /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /D "USE_DL_EXPORT" /YX /FD /Zm200 /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o /win32 "NUL"
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o /win32 "NUL"
 # ADD BASE RSC /l 0x409 /d "NDEBUG"
@@ -71,8 +71,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\modules\zlib" /D "_DEBUG" /D "USE_DL_EXPORT" /D "WIN32" /D "_WINDOWS" /YX /FD /Zm200 /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\modules\zlib" /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "USE_DL_EXPORT" /D "WIN32" /D "_WINDOWS" /YX /FD /Zm200 /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o /win32 "NUL"
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /o /win32 "NUL"
 # ADD BASE RSC /l 0x409 /d "_DEBUG"
diff --git a/PC/VC6/pythonw.dsp b/PC/VC6/pythonw.dsp
index e9c325c..4926c85 100644
--- a/PC/VC6/pythonw.dsp
+++ b/PC/VC6/pythonw.dsp
@@ -42,8 +42,8 @@
 # PROP Intermediate_Dir "x86-temp-release\pythonw"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD BASE RSC /l 0x409 /d "NDEBUG"
@@ -69,8 +69,8 @@
 # PROP Intermediate_Dir "x86-temp-debug\pythonw"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
 # ADD BASE RSC /l 0x409 /d "_DEBUG"
diff --git a/PC/VC6/select.dsp b/PC/VC6/select.dsp
index c5346c0..d0e528c 100644
--- a/PC/VC6/select.dsp
+++ b/PC/VC6/select.dsp
@@ -43,8 +43,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /I "..\..\..\select113" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "NDEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
 # ADD BASE RSC /l 0x409 /d "NDEBUG"
@@ -71,8 +71,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /I "..\..\..\select113" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "_DEBUG" /D "WIN32" /D "_WINDOWS" /YX /FD /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
 # ADD BASE RSC /l 0x409 /d "_DEBUG"
diff --git a/PC/VC6/unicodedata.dsp b/PC/VC6/unicodedata.dsp
index 859f37b..a04db67 100644
--- a/PC/VC6/unicodedata.dsp
+++ b/PC/VC6/unicodedata.dsp
@@ -43,8 +43,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /O2 /I "..\..\Include" /I ".." /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /O2 /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 # ADD BASE RSC /l 0xc09 /d "NDEBUG"
@@ -71,8 +71,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /GZ /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /GZ /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /GZ /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "MMAP_EXPORTS" /YX /FD /GZ /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
 # ADD BASE RSC /l 0xc09 /d "_DEBUG"
diff --git a/PC/VC6/w9xpopen.dsp b/PC/VC6/w9xpopen.dsp
index 886a0e5..6a6403c 100644
--- a/PC/VC6/w9xpopen.dsp
+++ b/PC/VC6/w9xpopen.dsp
@@ -42,8 +42,8 @@
 # PROP Intermediate_Dir "x86-temp-release\w9xpopen"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /c
+# ADD BASE CPP /nologo /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 # ADD BASE RSC /l 0xc09 /d "NDEBUG"
@@ -69,8 +69,8 @@
 # PROP Intermediate_Dir "x86-temp-debug\w9xpopen"
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
-# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /GZ /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /GZ /c
+# ADD BASE CPP /nologo /W3 /Gm /GX /ZI /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /GZ /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /YX /FD /GZ /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
 # ADD BASE RSC /l 0xc09 /d "_DEBUG"
diff --git a/PC/VC6/winsound.dsp b/PC/VC6/winsound.dsp
index 1183606..6e09b9b 100644
--- a/PC/VC6/winsound.dsp
+++ b/PC/VC6/winsound.dsp
@@ -43,8 +43,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "WINSOUND_EXPORTS" /YX /FD /c
-# ADD CPP /nologo /MD /W3 /GX /O2 /I "..\..\Include" /I ".." /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "WINSOUND_EXPORTS" /YX /FD /c
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "WINSOUND_EXPORTS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /O2 /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "WINSOUND_EXPORTS" /YX /FD /c
 # ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 # ADD MTL /nologo /D "NDEBUG" /mktyplib203 /win32
 # ADD BASE RSC /l 0xc09 /d "NDEBUG"
@@ -71,8 +71,8 @@
 # PROP Ignore_Export_Lib 0
 # PROP Target_Dir ""
 F90=df.exe
-# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "WINSOUND_EXPORTS" /YX /FD /GZ /c
-# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "WINSOUND_EXPORTS" /YX /FD /GZ /c
+# ADD BASE CPP /nologo /MTd /W3 /Gm /GX /ZI /Od /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "WINSOUND_EXPORTS" /YX /FD /GZ /c
+# ADD CPP /nologo /MDd /W3 /Gm /GX /Zi /Od /I "..\..\Include" /I ".." /D "Py_BUILD_CORE_MODULE" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /D "_MBCS" /D "_USRDLL" /D "WINSOUND_EXPORTS" /YX /FD /GZ /c
 # ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /win32
 # ADD MTL /nologo /D "_DEBUG" /mktyplib203 /win32
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