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diff --git a/README.DJ b/README.DJ new file mode 100644 index 0000000..4d6cbcd --- /dev/null +++ b/README.DJ @@ -0,0 +1,19 @@ +# lz4 for DOS/djgpp +This file details on how to compile lz4.exe, and liblz4.a for use on DOS/djgpp using +Andrew Wu's build-djgpp cross compilers ([GH][0], [Binaries][1]) on OSX, Linux. + +## Setup +* Download a djgpp tarball [Binaries][1] for your platform. +* Extract and install it (`tar jxvf djgpp-linux64-gcc492.tar.bz2`). Note the path. We'll assume `/home/user/djgpp`. +* Add the `bin` folder to your `PATH`. In bash, do `export PATH=/home/user/djgpp/bin:$PATH`. + +## Building LZ4 binary for DOS +* Run `make` substituting the cross compiler for `CC` and `AR`, e.g., `CC=i586-pc-msdosdjgpp-gcc AR=i586-pc-msdosdjgpp-ar make lz4programs` +* `lz4` and `lz4.exe` are then in the `programs/` subfolder. + +## Building LZ4 library for DOS +* Run `make` substituting the cross compiler for `CC` and `AR`, e.g., `CC=i586-pc-msdosdjgpp-gcc AR=i586-pc-msdosdjgpp-ar make lz4lib-djgpp` +* `liblz4.z`, `lz4.h`, `lz4hc.h`, `lz4frame.h`, and `xxhash.h` are then in the `lib/` subfolder. + +[0]: https://github.com/andrewwutw/build-djgpp +[1]: https://github.com/andrewwutw/build-djgpp/releases |