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December 2005

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2005.12.01 23:42 "libtiff.lib library nmake error on Windows", by David Jacques

I'm encountering some problems compiling the libtiff 3.7.4 software on
my Windows system. I'm getting this error: 

"tif_jpeg.c(75) : fatal error C1083: Cannot open include file:
'jpeglib.h': No such file or directory
NMAKE : fatal error U1077: 'cl' : return code '0x2'"

Does anyone have a settings for a working Win32 console project for this
w/out having jpeg set up? I don't know much about nmake syntax, so I don't 
know why commenting out the JPEG stuff in the nmake.opt file doesn't solve 
this problem.  I tried making a minimal program that just opens a .tif 
file and reads a tag, but I get linker errors. 

tiffopen.obj : error LNK2019: unresolved external symbol _TIFFClose
referenced in function _main
tiffopen.obj : error LNK2019: unresolved external symbol _TIFFOpen
referenced in function _main

So does one need the .lib files to be successfully built to use these
functions? If so and I can't get the nmake to work... Well it's a real
show-stopper.

I wish to do the following...

1) determine if a .tif file is a regular tif or geotiff
2) if it is not geotiff, read the Image Width & Image Length tags, store
these in variables
3) compute geographic extent of the tiff by using the .tfw values & the
image dimensions.

Thanks in advance..

David