On 05 February 2013 I finished my 32-bit DOS build of Eddie Kohler's Gifsicle version 1.70 using DJGPP version 2.04 beta.
Binaries, user manuals in ASCII format, and fully configured sources plus some simple instructions on how to rebuild are available at http://www.bttr-software.de/ports/.
Changes from my last build (1.67) to 1.70:
* Fix `--crop` bug introduced in version 1.68, visible in images containing local color tables. Bug reported by Alberto Nannini.
* Minor bug fix release.
* gifsicle: Alberto Nannini reported some images that are optimized beyond what Gifsicle can do. In fact, Gifsicle's GIF writer was limited enough that even when running without optimization, it seriously expanded the input images. Some improvements to Gifsicle's writing procedure avoid this problem; now `gifsicle IMAGE` will produce large results less often, and when it does generate larger results, they're larger by hundreds of bytes, not hundreds of thousands. However, due to restrictions in the current optimizer (and on my time), I was unable to improve `gifsicle -O3`'s handling of these images. The optimizer that produced the images must be doing something pretty clever. (Is it SuperGIF?) ---
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