Cygwin
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mingw64-x86_64-giflib-src: GIF image manipulation library for Win64 toolchain (source)
2018-02-27 05:20 0 mingw64-x86_64-giflib-5.1.4-1.src/ 2018-02-27 05:20 639703 mingw64-x86_64-giflib-5.1.4-1.src/giflib-5.1.4.tar.bz2 2018-02-27 05:20 459 mingw64-x86_64-giflib-5.1.4-1.src/mingw64-x86_64-giflib.cygport