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Ported update_pch.sh to Python with improved performance
and features. The new script is invoked from the same
update_pch.sh which calls it for each library in
parallel, although it can be invoked directly.
The ported script (update_pch) updates all PCH files
in ~15 seconds where the old script took ~4500 seconds.
In addition, the new script supports 3-tiered headers
(system, module, and local) and is very flexible to
support other improvement. It has a per-library
optimal configuration settings that can be updated
using another new scripts (update_pch_autotune.sh)
which finds optimal per-PCH settings.
PCH files have been generated using the new scripts
which builds significantly faster (2-3x, depending
on module and configuration) and the intermediate
binaries are noticably smaller (by several GBs).
The new script stamps each generated PCH file with
the command that generated it to make it trivial
for users to update them, and also adds the command
to invoke another script (update_pch_bisect) that
helps find missing headers or conflicting headers
that may break the build after updating the PCH.
Finally update_pch has built-in unit-tests for
makefile parsing and other core functionality.
Change-Id: Ib933b50e50374d7e2e7e3e95ba8799b0cc8a27fa
Reviewed-on: https://gerrit.libreoffice.org/19965
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
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Change-Id: Ie490bf2c6921f393bdeed96b1a8815996b701bf0
Reviewed-on: https://gerrit.libreoffice.org/18670
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
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with the variadic variants.
Change-Id: If88e1d741075e86997c91dc2c59eeebe45f67c1f
Reviewed-on: https://gerrit.libreoffice.org/17980
Reviewed-by: Noel Grandin <noelgrandin@gmail.com>
Tested-by: Noel Grandin <noelgrandin@gmail.com>
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Change-Id: I7c272383ecb115e19699ed96bf5622d979403a01
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Change-Id: I955c8ac4dbe002d23531df7eb10fb4444d6b5157
Reviewed-on: https://gerrit.libreoffice.org/14292
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
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desktop: 1m51s -> 54s
framework: 1m55s -> 1m04s
package: 32s -> 16s
sdext: 1m31s -> 47s
svgio: 32s -> 15s
uui: 49s -> 20s
vbahelper: 1m44s -> 27s
xmlscript: 15s -> 10s
xmlsecurity: 45s -> 23s
Change-Id: Ia437969c091bf877983ababc5ea2d044bbc0bee0
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