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6e89f1a250
Ninja resolves dependencies much faster, so if only a couple of files
are changed "ninja -j ${IMPALA_BUILD_THREADS} impalad" returns within a
second or two, while make can take tens of seconds to resolve all the
dependencies.
This requires ninja to be installed. It is widely available, e.g. in the
ninja-build package on Ubuntu.
Ninja can be enabled by passing "-ninja" to buildall.sh or
make_impala.sh. The same targets should work as with make.
The default Ninja status output is fairly terse. It can be customised
with an environment variable. E.g. I have
export NINJA_STATUS="[%u to run/%r running/%f finished] "
Also fixes a bug in make_impala.sh where invalid arguments were ignored.
Change-Id: I2cea479615fe850c98d30110de043ecb6358dcda
Reviewed-on: http://gerrit.cloudera.org:8080/2923
Tested-by: Internal Jenkins
Reviewed-by: Tim Armstrong <tarmstrong@cloudera.com>