Following patchset minimizes re-builds.
With the setup I use at the moment where I run
build tests on 100+ arm related boards I see that the
build time is reduced to half - for an otherwise
clean build with no changes.
In other words - the wall clock time for a
simple "try to build all boards" where nothing
has changed goes from ~2:35 minutes to 1:21 minutes
The patches has been tested in my local setup - and
no missing rebuilds was seen.
Sam Ravnborg (4):
build: fix that defaultenv is always rebuilt
build: fix that passwd.h is always built
build: fix that the bbenv file is always rebuilt
build: fix that LZO file is always rebuilt
common/Makefile | 28 +++++++++++++++-------------
defaultenv/Makefile | 4 ++--
scripts/Kbuild.include | 12 +++++++-----
scripts/Makefile.lib | 2 +-
4 files changed, 25 insertions(+), 21 deletions(-)
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