diff -u3 -r ..\zlib-1.2.3-orig\win32/Makefile.msc win32/Makefile.msc
--- ..\zlib-1.2.3-orig\win32/Makefile.msc	Tue Aug 26 23:42:00 2003
+++ win32/Makefile.msc	Mon May 01 01:25:51 2006
@@ -27,9 +27,9 @@
 LD = link
 AR = lib
 RC = rc
-CFLAGS  = -nologo -MD -O2 $(LOC)
+CFLAGS  = -nologo -MD -W3 -wd4996 -Zi -Fd"zlib_src" -O2 -Oy- $(LOC)
 ASFLAGS = -coff
-LDFLAGS = -nologo -release
+LDFLAGS = -nologo -debug -incremental:no -opt:ref
 ARFLAGS = -nologo
 RCFLAGS = /dWIN32 /r
 
@@ -50,18 +50,28 @@
 $(SHAREDLIB): win32/zlib.def $(OBJS) $(OBJA) zlib1.res
 	$(LD) $(LDFLAGS) -def:win32/zlib.def -dll -implib:$(IMPLIB) \
 	  -out:$@ $(OBJS) $(OBJA) zlib1.res
+	if exist $@.manifest \
+	  mt -nologo -manifest $@.manifest -outputresource:$@;2
 
 example.exe: example.obj $(STATICLIB)
 	$(LD) $(LDFLAGS) example.obj $(STATICLIB)
+	if exist $@.manifest \
+	  mt -nologo -manifest $@.manifest -outputresource:$@;1
 
 minigzip.exe: minigzip.obj $(STATICLIB)
 	$(LD) $(LDFLAGS) minigzip.obj $(STATICLIB)
+	if exist $@.manifest \
+	  mt -nologo -manifest $@.manifest -outputresource:$@;1
 
 example_d.exe: example.obj $(IMPLIB)
 	$(LD) $(LDFLAGS) -out:$@ example.obj $(IMPLIB)
+	if exist $@.manifest \
+	  mt -nologo -manifest $@.manifest -outputresource:$@;1
 
 minigzip_d.exe: minigzip.obj $(IMPLIB)
 	$(LD) $(LDFLAGS) -out:$@ minigzip.obj $(IMPLIB)
+	if exist $@.manifest \
+	  mt -nologo -manifest $@.manifest -outputresource:$@;1
 
 .c.obj:
 	$(CC) -c $(CFLAGS) $<
@@ -123,4 +133,6 @@
 	-del *.res
 	-del *.exp
 	-del *.exe
+	-del *.pdb
+	-del *.manifest
 	-del foo.gz
diff -u3 -r ..\zlib-1.2.3-orig\win32/zlib1.rc win32/zlib1.rc
--- ..\zlib-1.2.3-orig\win32/zlib1.rc	Sun Jul 17 21:35:36 2005
+++ win32/zlib1.rc	Mon May 01 01:24:48 2006
@@ -5,15 +5,15 @@
 #else
 VS_VERSION_INFO		VERSIONINFO	MOVEABLE IMPURE LOADONCALL DISCARDABLE
 #endif
-  FILEVERSION		1,2,2,0
-  PRODUCTVERSION	1,2,2,0
+  FILEVERSION		1,2,3,0
+  PRODUCTVERSION	1,2,3,0
   FILEFLAGSMASK		VS_FFI_FILEFLAGSMASK
 #ifdef _DEBUG
   FILEFLAGS		1
 #else
   FILEFLAGS		0
 #endif
-  FILEOS		VOS_DOS_WINDOWS32
+  FILEOS		VOS__WINDOWS32
   FILETYPE		VFT_DLL
   FILESUBTYPE		0	// not used
 BEGIN