Buildman build tool
===================
-(Please read 'How to change from MAKEALL' if you are used to that tool)
-
Quick-start
-----------
U-Boot build.
-How to change from MAKEALL
---------------------------
-
-Buildman includes most of the features of MAKEALL and is generally faster
-and easier to use. In particular it builds entire branches: if a particular
-commit introduces an error in a particular board, buildman can easily show
-you this, even if a later commit fixes that error.
-
-The reasons to deprecate MAKEALL are:
-- We don't want to maintain two build systems
-- Buildman is typically faster
-- Buildman has a lot more features
-
-But still, many people will be sad to lose MAKEALL. If you are used to
-MAKEALL, here are a few pointers.
-
-First you need to set up your tool chains - see the 'Setting up' section
-for details. Once you have your required toolchain(s) detected then you are
-ready to go.
-
-To build the current source tree, run buildman without a -b flag:
-
-.. code-block:: bash
-
- ./tools/buildman/buildman <list of things to build>
-
-This will build the current source tree for the given boards and display
-the results and errors.
-
-However buildman usually works on entire branches, and for that you must
-specify a board flag:
-
-.. code-block:: bash
-
- ./tools/buildman/buildman -b <branch_name> <list of things to build>
-
-followed by (afterwards, or perhaps concurrently in another terminal):
-
-.. code-block:: bash
-
- ./tools/buildman/buildman -b <branch_name> -s <list of things to build>
-
-to see the results of the build. Rather than showing you all the output,
-buildman just shows a summary, with red indicating that a commit introduced
-an error and green indicating that a commit fixed an error. Use the -e
-flag to see the full errors and -l to see which boards caused which errors.
-
-If you really want to see build results as they happen, use -v when doing a
-build (and -e to see the errors/warnings too).
-
-You don't need to stick around on that branch while buildman is running. It
-checks out its own copy of the source code, so you can change branches,
-add commits, etc. without affecting the build in progress.
-
-The <list of things to build> can include board names, architectures or the
-like. There are no flags to disambiguate since ambiguities are rare. Using
-the examples from MAKEALL:
-
-Examples::
-
- - build all Power Architecture boards:
- MAKEALL -a powerpc
- MAKEALL --arch powerpc
- MAKEALL powerpc
- ** buildman -b <branch> powerpc
- - build all PowerPC boards manufactured by vendor "esd":
- MAKEALL -a powerpc -v esd
- ** buildman -b <branch> esd
- - build all PowerPC boards manufactured either by "keymile" or "siemens":
- MAKEALL -a powerpc -v keymile -v siemens
- ** buildman -b <branch> keymile siemens
- - build all Freescale boards with MPC83xx CPUs, plus all 4xx boards:
- MAKEALL -c mpc83xx -v freescale 4xx
- ** buildman -b <branch> mpc83xx freescale 4xx
-
-Buildman automatically tries to use all the CPUs in your machine. If you
-are building a lot of boards it will use one thread for every CPU core
-it detects in your machine. This is like MAKEALL's BUILD_NBUILDS option.
-You can use the -T flag to change the number of threads. If you are only
-building a few boards, buildman will automatically run make with the -j
-flag to increase the number of concurrent make tasks. It isn't normally
-that helpful to fiddle with this option, but if you use the BUILD_NCPUS
-option in MAKEALL then -j is the equivalent in buildman.
-
-Buildman puts its output in ../<branch_name> by default but you can change
-this with the -o option. Buildman normally does out-of-tree builds: use -i
-to disable that if you really want to. But be careful that once you have
-used -i you pollute buildman's copies of the source tree, and you will need
-to remove the build directory (normally ../<branch_name>) to run buildman
-in normal mode (without -i).
-
-Buildman doesn't keep the output result normally, but use the -k option to
-do this.
-
-Please read 'Theory of Operation' a few times as it will make a lot of
-things clearer.
-
-Some options you might like are::
-
- -B shows which functions are growing/shrinking in which commit - great
- for finding code bloat.
- -S shows image sizes for each commit (just an overall summary)
- -u shows boards that you haven't built yet
- --step 0 will build just the upstream commit and the last commit of your
- branch. This is often a quick sanity check that your branch doesn't
- break anything. But note this does not check bisectability!
-
-
Using boards.cfg
----------------
projects / u-boot.git / commitdiff
