Compiling RRDtool 1.1.x on Win32 with Microsoft Visual C++:
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+5/1/05 Tobi
+to help windows deal with the reentrant versions of many unix
+calls link with win32comp.c
+
+4/10/05 Tobi
+The windows implementation of strftime does not seem to support
+the ISO 8601 week number (%V) I have therfore included the file
+strftime.[ch] which provides strftime_ ... if you compile rrdtool
+with -Dstrftime=_strftime and link strftime.o then you will
+get propper support for %V.
+
7/29/04 Jake Brutlag
As of Jan 2004, code for libraries utilized by rrdtool