On Nov 21, 2011, at 5:40 PM, Andy Fleming wrote: > The MAKEALL script cleverly runs make with the appropriate options > to use all of the cores on the system, but your average U-Boot build > can't make much use of more than a few cores. If you happen to have > a many-core server, your builds will leave most of the system idle. > > In order to make full use of such a system, we need to build multiple > targets in parallel, and this requires directing make output into > multiple directories. We add a BUILD_NBUILDS variable, which allows > users to specify how many builds to run in parallel. > When BUILD_NBUILDS is set greater than 1, we redefine BUILD_DIR for > each build to be ${BUILD_DIR}/${target}. Also, we make "./build" the > default BUILD_DIR when BUILD_NBUILDS is greater than 1. > > MAKEALL now tracks which builds are still running, and when one > finishes, it starts a new build. > > Once each build finishes, we run "make tidy" on its directory, to reduce > the footprint. > > As a result, we are left with a build directory with all of the built > targets still there for use, which means anyone who wanted to use > MAKEALL as part of a test harness can now do so. > > Signed-off-by: Andy Fleming <aflem...@freescale.com> > --- > v2: - Update to keep BUILD_NBUILDS builds in flight, rather than batching > - Clean up style things > - Defer error output until build completion to make output *slightly* > more readable
Can you re-fresh patch against top of tree. - k _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot