This is a multi-threaded CPU and GPU miner for bitcoin. License: GPLv2. See COPYING for details. Dependencies: libcurl http://curl.haxx.se/libcurl/ jansson http://www.digip.org/jansson/ (jansson is optional, and is included in-tree) Basic *nix build instructions: ./autogen.sh # only needed if building from git repo CFLAGS="-O3 -Wall -msse2" ./configure make Basic WIN32 build instructions (on Fedora 13; requires mingw32): ./autogen.sh # only needed if building from git repo rm -f mingw32-config.cache MINGW32_CFLAGS="-O3 -Wall -msse2" mingw32-configure make ./mknsis.sh Native WIN32 build instructions (on mingw32, on windows): Install AMD APP sdk, latest version Install mingw32 Install libcurl, copy libcurl.m4 into /mingw/share/aclocal Run: autoreconf -fvi CFLAGS="-O3 -Wall -msse2 -I" LDFLAGS="-L" ./configure make Usage instructions: Run "cgminer --help" to see options. Also many issues and FAQs are covered in the forum thread dedicated to this program, http://www.bitcoin.org/smf/index.php?topic=1925.0;all