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Jakub Kicinski authored
Commit 4bfe3bd3 ("tools/bpftool: use version from the kernel source tree") added version to bpftool. The version used is equal to the kernel version and obtained by running make kernelversion against kernel source tree. Version is then communicated to the sources with a command line define set in CFLAGS. Use a simply expanded variable for the version, otherwise the recursive make will run every time CFLAGS are used. This brings the single-job compilation time for me from almost 16 sec down to less than 4 sec. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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