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FFmpeg/INSTALL.md
Michael Niedermayer df00705e00
INSTALL: explain the circular dependency issue and solution
Sponsored-by: Sovereign Tech Fund
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
2024-11-03 19:35:23 +01:00

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## Installing FFmpeg
1. Type `./configure` to create the configuration. A list of configure
options is printed by running `configure --help`.
`configure` can be launched from a directory different from the FFmpeg
sources to build the objects out of tree. To do this, use an absolute
path when launching `configure`, e.g. `/ffmpegdir/ffmpeg/configure`.
2. Then type `make` to build FFmpeg. GNU Make 3.81 or later is required.
3. Type `make install` to install all binaries and libraries you built.
NOTICE
------
- Non system dependencies (e.g. libx264, libvpx) are disabled by default.
NOTICE for Package Maintainers
------------------------------
- It is recommended to build FFmpeg twice, first with minimal external dependencies so
that 3rd party packages, which depend on FFmpegs libavutil/libavfilter/libavcodec/libavformat
can then be built. And last build FFmpeg with full dependancies (which may in turn depend on
some of these 3rd party packages). This avoids circular dependencies during build.