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ccache doesn't rewrite the --sysroot base_dir from toolchain-wrapper
correctly. Resulting in a large number of cache misses when building
from different base directories.
A fix has already been accepted to the ccache upstream[1], but won't be
released until ccache 3.4. (Was noted as an improvement, so unsure
of the 3.4 release timing)
[1] https://github.com/ccache/ccache/pull/132
Signed-off-by: Brandon Maier <brandon.maier@rockwellcollins.com>
Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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