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John Crispin
a15df19727
version_filter calls package-metadata.pl for every list that contains a versioned item such as "foo@ge6.18". Parsing package/kernel/linux runs it about 40 times, which takes 1.3 s of 2.2 s, and this parse is on the critical path of every build. Filter items of the form <name>@<op><version> in make. The version comparison stays in package-metadata.pl, but runs only once per version. Other forms are passed to package-metadata.pl as before. The only difference in the output: items without a version condition are no longer passed through the shell, so quotes in a KCONFIG value are kept. That list is only used for variable names, so the result is the same. All kmod packages and images are identical. Signed-off-by: John Crispin <john@phrozen.org>
