diff --git a/PCbuild/_sre.dsp b/PCbuild/_sre.dsp
new file mode 100755
index 0000000..671c326
--- /dev/null
+++ b/PCbuild/_sre.dsp
@@ -0,0 +1,182 @@
+# Microsoft Developer Studio Project File - Name="_sre" - Package Owner=<4>
+# Microsoft Developer Studio Generated Build File, Format Version 6.00
+# ** DO NOT EDIT **
+
+# TARGTYPE "Win32 (x86) Dynamic-Link Library" 0x0102
+# TARGTYPE "Win32 (ALPHA) Dynamic-Link Library" 0x0602
+
+CFG=_sre - Win32 Alpha Debug
+!MESSAGE This is not a valid makefile. To build this project using NMAKE,
+!MESSAGE use the Export Makefile command and run
+!MESSAGE 
+!MESSAGE NMAKE /f "_sre.mak".
+!MESSAGE 
+!MESSAGE You can specify a configuration when running NMAKE
+!MESSAGE by defining the macro CFG on the command line. For example:
+!MESSAGE 
+!MESSAGE NMAKE /f "_sre.mak" CFG="_sre - Win32 Alpha Debug"
+!MESSAGE 
+!MESSAGE Possible choices for configuration are:
+!MESSAGE 
+!MESSAGE "_sre - Win32 Release" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE "_sre - Win32 Debug" (based on "Win32 (x86) Dynamic-Link Library")
+!MESSAGE "_sre - Win32 Alpha Debug" (based on "Win32 (ALPHA) Dynamic-Link Library")
+!MESSAGE "_sre - Win32 Alpha Release" (based on "Win32 (ALPHA) Dynamic-Link Library")
+!MESSAGE 
+
+# Begin Project
+# PROP AllowPerConfigDependencies 0
+# PROP Scc_ProjName "_sre"
+# PROP Scc_LocalPath ".."
+
+!IF  "$(CFG)" == "_sre - Win32 Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "."
+# PROP Intermediate_Dir "x86-temp-release"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+F90=df.exe
+CPP=cl.exe
+# ADD BASE CPP /nologo /MT /W3 /GX /O2 /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /W3 /GX /Zi /O2 /I "..\Include" /I "..\PC" /I "C:\Program Files\Tcl\include" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+MTL=midl.exe
+# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
+# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
+RSC=rc.exe
+# ADD BASE RSC /l 0x409 /d "NDEBUG"
+# ADD RSC /l 0x409 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /dll /machine:I386
+# ADD LINK32 user32.lib kernel32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /base:"0x1e100000" /subsystem:windows /dll /debug /machine:I386 /out:"./_sre.pyd" /libpath:"Release" /export:init_sre
+# SUBTRACT LINK32 /pdb:none
+
+!ELSEIF  "$(CFG)" == "_sre - Win32 Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "."
+# PROP Intermediate_Dir "x86-temp-debug"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+F90=df.exe
+CPP=cl.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 "..\PC" /I "C:\Program Files\Tcl\include" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+MTL=midl.exe
+# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
+# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
+RSC=rc.exe
+# ADD BASE RSC /l 0x409 /d "_DEBUG"
+# ADD RSC /l 0x409 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /subsystem:windows /dll /debug /machine:I386 /pdbtype:sept
+# ADD LINK32 user32.lib kernel32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib odbc32.lib odbccp32.lib /nologo /base:"0x1e100000" /subsystem:windows /dll /debug /machine:I386 /out:"./_sre_d.pyd" /pdbtype:sept /libpath:"Debug" /export:init_sre
+# SUBTRACT LINK32 /pdb:none
+
+!ELSEIF  "$(CFG)" == "_sre - Win32 Alpha Debug"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 1
+# PROP BASE Output_Dir "Debug"
+# PROP BASE Intermediate_Dir "Debug"
+# PROP BASE Ignore_Export_Lib 0
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 1
+# PROP Output_Dir "."
+# PROP Intermediate_Dir "alpha-temp-debug"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+CPP=cl.exe
+# ADD BASE CPP /nologo /MTd /Gt0 /W3 /GX /Zi /Od /I "..\Include" /I "..\PC" /I "C:\Program Files\Tcl\include" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MDd /Gt0 /W3 /GX /Zi /Od /I "..\Include" /I "..\PC" /I "C:\Program Files\Tcl\include" /D "WIN32" /D "_DEBUG" /D "_WINDOWS" /YX /FD /c
+MTL=midl.exe
+# ADD BASE MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
+# ADD MTL /nologo /D "_DEBUG" /mktyplib203 /o "NUL" /win32
+RSC=rc.exe
+# ADD BASE RSC /l 0x409 /d "_DEBUG"
+# ADD RSC /l 0x409 /d "_DEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /base:"0x1e100000" /subsystem:windows /dll /debug /machine:ALPHA /out:"./_sre_d.pyd" /pdbtype:sept /libpath:"Debug" /export:init_sre
+# SUBTRACT BASE LINK32 /pdb:none
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /base:"0x1e100000" /subsystem:windows /dll /debug /machine:ALPHA /out:"alpha-temp-debug/_sre_d.pyd" /pdbtype:sept /libpath:"Debug" /export:init_sre
+# SUBTRACT LINK32 /pdb:none
+
+!ELSEIF  "$(CFG)" == "_sre - Win32 Alpha Release"
+
+# PROP BASE Use_MFC 0
+# PROP BASE Use_Debug_Libraries 0
+# PROP BASE Output_Dir "Release"
+# PROP BASE Intermediate_Dir "Release"
+# PROP BASE Ignore_Export_Lib 0
+# PROP BASE Target_Dir ""
+# PROP Use_MFC 0
+# PROP Use_Debug_Libraries 0
+# PROP Output_Dir "."
+# PROP Intermediate_Dir "alpha-temp-release"
+# PROP Ignore_Export_Lib 0
+# PROP Target_Dir ""
+CPP=cl.exe
+# ADD BASE CPP /nologo /MT /Gt0 /W3 /GX /Zi /O2 /I "..\Include" /I "..\PC" /I "C:\Program Files\Tcl\include" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+# ADD CPP /nologo /MD /Gt0 /W3 /GX /O2 /I "..\Include" /I "..\PC" /D "WIN32" /D "NDEBUG" /D "_WINDOWS" /YX /FD /c
+MTL=midl.exe
+# ADD BASE MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
+# ADD MTL /nologo /D "NDEBUG" /mktyplib203 /o "NUL" /win32
+RSC=rc.exe
+# ADD BASE RSC /l 0x409 /d "NDEBUG"
+# ADD RSC /l 0x409 /d "NDEBUG"
+BSC32=bscmake.exe
+# ADD BASE BSC32 /nologo
+# ADD BSC32 /nologo
+LINK32=link.exe
+# ADD BASE LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /base:"0x1e100000" /subsystem:windows /dll /debug /machine:ALPHA /out:"./_sre.pyd" /libpath:"Release" /export:init_sre
+# SUBTRACT BASE LINK32 /pdb:none
+# ADD LINK32 kernel32.lib user32.lib gdi32.lib winspool.lib comdlg32.lib advapi32.lib shell32.lib ole32.lib oleaut32.lib uuid.lib /nologo /base:"0x1e100000" /subsystem:windows /dll /debug /machine:ALPHA /out:"alpha-temp-release/_sre.pyd" /libpath:"Release" /export:init_sre
+# SUBTRACT LINK32 /pdb:none
+
+!ENDIF 
+
+# Begin Target
+
+# Name "_sre - Win32 Release"
+# Name "_sre - Win32 Debug"
+# Name "_sre - Win32 Alpha Debug"
+# Name "_sre - Win32 Alpha Release"
+# Begin Source File
+
+SOURCE=..\Modules\_sre.c
+
+!IF  "$(CFG)" == "_sre - Win32 Release"
+
+!ELSEIF  "$(CFG)" == "_sre - Win32 Debug"
+
+!ELSEIF  "$(CFG)" == "_sre - Win32 Alpha Debug"
+
+!ELSEIF  "$(CFG)" == "_sre - Win32 Alpha Release"
+
+!ENDIF 
+
+# End Source File
+# End Target
+# End Project
diff --git a/PCbuild/pcbuild.dsw b/PCbuild/pcbuild.dsw
index 7d6e0c2..5e9afde 100644
--- a/PCbuild/pcbuild.dsw
+++ b/PCbuild/pcbuild.dsw
@@ -3,6 +3,22 @@
 
 ###############################################################################
 
+Project: "_sre"=".\_sre.dsp" - Package Owner=<4>
+
+Package=<5>
+{{{
+    begin source code control
+    _sre
+    ..
+    end source code control
+}}}
+
+Package=<4>
+{{{
+}}}
+
+###############################################################################
+
 Project: "_tkinter"=".\_tkinter.dsp" - Package Owner=<4>
 
 Package=<5>