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README
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1995-01-04
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The Independent JPEG Group's JPEG software
==========================================
README for release 5a of 7-Dec-94
=================================
This distribution contains the fifth public release of the Independent JPEG
Group's free JPEG software.
This software is the work of Tom Lane, Philip Gladstone, Luis Ortiz, Jim
Boucher, Lee Crocker, George Phillips, Davide Rossi, Ge' Weijers, and other
members of the Independent JPEG Group.
IJG is not associated with the official ISO JPEG standards committee.
The jpeg-5a directory contains the original jpegsrc.v5a.tar.gz archive ftp'ed
directly from ftp.uu.net. If you want to compile with gcc use the files from
this directory.
Recompiling the programs:
Copy jconfig.h and the makefiles to the jpeg-5a directory.
Enter:
make -f makefile.gcc
Check if it works: (floating point part cannot be tested this way)
make -f makefile.gcc test
NOTES:
1) I used the gcc 2.5.8 distribution for compiling the programs. I cannot
recommend using version 2.6.0 or 2.6.1. The -dct float option will produce
corrupt pictures for the 68000 version of djpeg.
2) If you compile the programs with other compilers (makefiles for Manx and
SAS are included) they will be slower or contain bugs, so don't do that.
If you found a bug then please let me know about it. (Every behaviour that
does not correspond to the original documentation is considered a bug.)
If it is not Amiga-specific you may also report it directly to the
Independent JPEG Group.
My address:
electronic mail: normal mail:
**************** ************
Guenther@studbox.uni-stuttgart.de Günther Röhrich
Lerchenbergstr. 4
73733 Esslingen
Germany