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mpcommon.c used to be the only file to include version.h. version.h is generated by the build system, and contains the git revision. Any time a commit is made (or the tree is rebased etc.), the file is rewritten, and mpcommon.c rebuilt. To make rebuilding less annoying, the definition of the version string is the only thing in mpcommon.c. Since I want to add other things to mpcommon.c, add a new file named version.c, that takes over mpcommon.c's role as described above. mpcommon.c doesn't include version.h anymore, and will be used to park code that doesn't really belong anywhere else.
Compiling with full features requires development files for several external libraries. Below is a list of some important requirements. For more information see the output of './configure --help' for a list of options, or look at the list of enabled and disabled features printed after running './configure'. If you think you have support for some feature installed but configure fails to detect it, the file config.log may contain information about the reasons for the failure. Libraries specific to particular video output methods (you'll want at least one of VDPAU, GL or Xv): - libvdpau (for VDPAU output, best choice for NVIDIA cards) - libGL (OpenGL output) - libXv (XVideo output) general: - libasound (ALSA audio output) - various general X development libraries - libfreetype (for libass) - libfontconfig (for libass) - libass - FFmpeg libraries (libavutil libavcodec libavformat libswscale libpostproc) Most of the above libraries are available in suitable versions on normal Linux distributions. However FFmpeg is an exception (distro versions may be too old to work at all or work well). For that reason you may want to use the separately available build wrapper that first compiles FFmpeg libraries and libass, and then compiles the player statically linked against those.