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67 lines
1.8 KiB
Plaintext
67 lines
1.8 KiB
Plaintext
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FFmpeg 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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DBG
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Preprocess x86 external assembler files to a .dbg.asm file in the object
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directory, which then gets compiled. Helps in developing those assembler
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files.
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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 FFmpeg in cross-environments.
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GEN
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Set to ‘1’ to generate the missing or mismatched references.
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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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fate
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Run the fate test suite, note that you must have installed it.
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fate-list
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List all fate/regression test targets.
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install
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Install headers, libraries and programs.
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examples
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Build all examples located in doc/examples.
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checkheaders
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Check headers dependencies.
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alltools
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Build all tools in tools directory.
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config
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Reconfigure the project with the current configuration.
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tools/target_dec_<decoder>_fuzzer
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Build fuzzer to fuzz the specified decoder.
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tools/target_bsf_<filter>_fuzzer
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Build fuzzer to fuzz the specified bitstream filter.
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Useful standard make commands:
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make -t <target>
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Touch all files that otherwise would be built, this is useful to reduce
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unneeded rebuilding when changing headers, but note that you must force rebuilds
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of files that actually need it by hand then.
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make -j<num>
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Rebuild with multiple jobs at the same time. Faster on multi processor systems.
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make -k
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Continue build in case of errors, this is useful for the regression tests
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sometimes but note that it will still not run all reg tests.
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