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ffmpeg / doc / build_system.txt @ aad2f2f4

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Libav currently uses a custom build system, this text attempts to document
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some of its obscure features and options.
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Makefile variables:
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V
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    Disable the default terse mode, the full command issued by make and its
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    output will be shown on the screen.
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DESTDIR
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    Destination directory for the install targets, useful to prepare packages
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    or install Libav in cross-environments.
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Makefile targets:
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all
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    Default target, builds all the libraries and the executables.
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install
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    Install headers, libraries and programs.
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libavformat/output-example
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    Build the libavformat basic example.
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libavcodec/api-example
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    Build the libavcodec basic example.
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libswscale/swscale-test
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    Build the swscale self-test (useful also as example).
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