diff options
Diffstat (limited to 'doc/build_system.txt')
| -rw-r--r-- | doc/build_system.txt | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/doc/build_system.txt b/doc/build_system.txt index c3dede7cde..36c141e9e4 100644 --- a/doc/build_system.txt +++ b/doc/build_system.txt @@ -1,4 +1,4 @@ -Libav currently uses a custom build system, this text attempts to document +FFmpeg currently uses a custom build system, this text attempts to document some of its obscure features and options. Makefile variables: @@ -9,13 +9,19 @@ V DESTDIR Destination directory for the install targets, useful to prepare packages - or install Libav in cross-environments. + or install FFmpeg in cross-environments. Makefile targets: all Default target, builds all the libraries and the executables. +fate + Run the fate test suite, note you must have installed it + +fate-list + Will list all fate/regression test targets + install Install headers, libraries and programs. @@ -27,3 +33,18 @@ libavcodec/api-example libswscale/swscale-test Build the swscale self-test (useful also as example). + + +Useful standard make commands: +make -t <target> + Touch all files that otherwise would be build, this is useful to reduce + unneeded rebuilding when changing headers, but note you must force rebuilds + of files that actually need it by hand then. + +make -j<num> + rebuild with multiple jobs at the same time. Faster on multi processor systems + +make -k + continue build in case of errors, this is useful for the regression tests + sometimes but note it will still not run all reg tests. + |