[FFmpeg-devel] [PATCH] build system docs

Michael Niedermayer michaelni
Tue Oct 5 22:42:12 CEST 2010


some (still incomplete but i cant finish it and its better than nothing)
docs about the build system
ill commit within a day if there are no objections

commit 134b27d2c484db5e56f8148d96e67268d56f30f4
Author: Michael Niedermayer <michaelni at gmx.at>
Date:   Tue Oct 5 22:34:34 2010 +0200

    custom build system documentation

diff --git a/doc/build_system.txt b/doc/build_system.txt
new file mode 100644
index 0000000..3d90778
--- /dev/null
+++ b/doc/build_system.txt
@@ -0,0 +1,32 @@
+FFmpeg currently uses a custom build system, this text attempts to document
+some of its obscure features and options.
+Options to make: (some of these are standard options)
+make V=1 <target>
+    Build target with verbosity 1, instead of 1, 2 can be used too
+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 than.
+make -j<num>
+    rebuild with multiple jobs at the same time. Faster if you have the hw
+make -k
+    continue build in case of errors, this is usefull for the regression tests
+    sometimes but note it will still not run all reg tests.
+Targets to make:
+    Will list all fate/regression test targets
+    Run the fate test suite, note you must have installed it
+Setting up local fate:
+use the following command to get the fate test samples
+rsync -aL rsync://rsync.mplayerhq.hu:/samples/fate-suite/ fate/fate-suite
+pass --samples=<path to the samples> to configure

Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

Into a blind darkness they enter who follow after the Ignorance,
they as if into a greater darkness enter who devote themselves
to the Knowledge alone. -- Isha Upanishad
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