problem with building bitmapdll on Windows

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Dear R Development People:

I was trying to build R-2.12.2 from source on a Windows XP machine.

Doing the make all recommended works fine, but building the bitmap 
dll is a problem.

It seems to be in the libpng directory.  I got libpng-1.5.1, and 
untarred it.  However, there is no makefile.mingw file in the 
scripts directory.

I then obtained a version of libpng-1.4.5, and the file is there. 
The dll file builds fine.

We might want to look at the libpng-1.5.1 directory.
libpng 1.5.1 is not supported for R 2.12.2: it will be for 2.13.0. 
The documentation does say so ...

You need libpng, jpeg and libtiff sources (available, e.g., from 
http://www.libpng.org/, http://www.ijg.org and 
ftp://ftp.remotesensing.org/pub/libtiff/). You will need files 
libpng-1.2.18.tar.gz (including ?1.4.x? but not ?1.5.x?), 
jpegsrc.v6b.tar.gz, tiff-3.8.0.tar.gz (but not ?4.0.0beta?) or later.
Thanks for listening,
Sincerely,
Erin

Erin M. Hodgess, PhD
Associate Professor
Department of Computer and Mathematical Sciences
University of Houston - Downtown
mailto: hodgesse at uhd.edu

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