[Buildroot] [Bug 10536] Finding non-relative paths in the ccache

bugzilla at busybox.net bugzilla at busybox.net
Thu Dec 7 20:15:43 UTC 2017


https://bugs.busybox.net/show_bug.cgi?id=10536

--- Comment #2 from Trent Piepho <tpiepho at gmail.com> ---
This ends up being a big problem if multiple buildroot output directories are
used.  For example:

    make O=first some_defconfig ; make O=first all
    rm -rf first
    make O=second some_defconfig ; make O=second all

The build in second fails because ccache will use cached dependency files from
the first build, and these cached files reference headers with a "*/first/*"
path and those headers no longer exist.

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