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libraries/qt5: Add CCACHE and WEBENGINE options. Add notes.
I've added some benchmarking notes on building with various ways - with/without webengine, with/without ccache etc. Ought to save some time for anyone not wanting the web code.
This commit is contained in:
Dave Woodfall
Willy Sudiarto Raharjo
parent
67ad7cc10c
commit
053c9bd589
4 changed files with 296 additions and 61 deletions
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@ -7,61 +7,48 @@ against if they are detected at build time:
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libwebp opus pcre2 snappy
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============================================================
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OPTIONS
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To build the documentation pass DOCS=yes to the SlackBuild:
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To use Qt's built-in ccache option:
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CCACHE=yes ./qt5.SlackBuild
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See README.benchmarks for the benefits of using ccache.
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To build the documentation:
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DOCS=yes ./qt5.SlackBuild
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To build the examples pass EXAMPLES=yes to the SlackBuild:
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To build the examples:
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EXAMPLES=yes ./qt5.SlackBuild
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NOTE
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Building the documentation and examples creates a
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significantly larger package.
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ROUGH SIZE GUIDE
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Package size:
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Qt alone: 102M
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With documentation: 339M
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With examples: 391M
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With both documentation and examples: 628M
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Minumum working space needed (size of source and package
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directories at end of build):
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Qt alone: 5018M
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With documentation: 6197M
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With examples: 6388M
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With both documentation and examples: 7604M
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To build support for proprietary media codecs pass
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PROPRIETARY_CODECS=yes to the SlackBuild (this will produce
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a non-redistributable package in some countries):
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To build support for proprietary media codecs:
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PROPRIETARY_CODECS=yes ./qt5.SlackBuild
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To disable support for pulseaudio pass PULSEAUDIO=no to the
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SlackBuild:
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(this will produce a non-redistributable package in some
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countries)
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To disable support for pulseaudio:
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PULSEAUDIO=no ./qt5.SlackBuild
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Qt will automatically detect if it is not installed at build
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time and not provide support for it.
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(Qt will automatically detect if pulseaudio is not installed
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at build time and disable it if it is missing.)
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To NOT build qtwebengine (EXPERIMENTAL):
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WEBENGINE=no ./qt5.SlackBuild
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Combine any or all of the above.
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============================================================
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NOTE
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GENERAL NOTES
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After upgrading Qt5 it is important to rebuild qt5ct too, if
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it is installed, or some applications may not display or
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@ -69,7 +56,62 @@ function correctly.
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There is a qt5-legacy (5.7.1) SlackBuild that is available
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for older applications that do not run correctly with this
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version. However it will not coexist with this version.
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version. However it will not coexist with this version.
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Please report any problems about applications that don't
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work correctly to the Qt5 maintainer or to the mailing list.
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============================================================
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ROUGH SPEED & SIZE GUIDE
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OPTION PKG SPACE TIME
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Normal: 102M 5018M 9:55
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No Webengine: 50M 1895M 3:18
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With Documentation: 339M 6197M -
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With Examples: 391M 6388M -
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With Documentation and Examples: 628M 7604M -
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PKG: Package size.
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SPACE: Package directory + source space needed.
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TIME: Rough build time (- = unknown.)
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See README.benchmarks for more detailed information.
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See README.ccache for information on setting up ccache.
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============================================================
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NOTES ON OPTIONS
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* Using ccache should speed up subsequent rebuilds, but may
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be slower for first time or one-off builds.
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* Building the documentation and/or examples creates a
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significantly larger package.
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* Successfully tested so far without webengine (VERY quick
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tests):
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QMPlay2
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qt5ct
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qbittorrent-qt5
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speedcrunch
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qca-qt5
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psi-plus
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sddm
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============================================================
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BUILDING WITHOUT WEBENGINE
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See README.benchmarks for the benefits of not building
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webengine.
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YMMV whether it works with an application or not, but if you
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have no intention of using the browser code, which includes
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a chunk of 3rd party Google Chromium source, then it may
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make sense to skip it and save yourself about 2/3 of the
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build time.
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The package version has _nowebengine appended to it for
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clarity.
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114
libraries/qt5/README.benchmarks
Normal file
114
libraries/qt5/README.benchmarks
Normal file
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@ -0,0 +1,114 @@
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ENVIRONMENT
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Linux 4.4.157 SMP x86_64 (stock 14.2 -huge.)
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Using /usr/bin/time rather than shell built-in.
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Jobs: 2.
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Qt version: 5.9.7
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DMI Info:
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Board: Lenovo Mahobay motherboard.
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CPU: Version: Intel(R) Pentium(R) CPU G640 @ 2.80GHz
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Family: Core i7 Core Count: 2
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Core Enabled: 2
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Thread Count: 2
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Max Speed: 2800 MHz
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Current Speed: 2800 MHz
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External Clock: 100 MHz
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CPUFREQ: Performance mode.
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RAM: 12G (1333 MHz) DDR3.
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An 8 GB tmpfs in /mnt/memory is used as a ramdisk for /tmp
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while the package was output on the real HDD. i.e.
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$TMP=/mnt/memory/SBo
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$OUTPUT=/tmp
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System ccache setup:
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cache size: 18.3 GB
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max_cache: 20.0 GB
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cache_dir: /root/.ccache
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CCACHE_TEMPDIR=/mnt/memory/ccache
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No special settings were used for Qt's -ccache.
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All builds with either ccache option were performed a few
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times to build up enough cache.
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BENCHMARKS
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BUILDS WITH WEBENGINE
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Normal build:
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45970.94 user
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2408.58 system
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9:55:02 elapsed
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135% CPU (0 avgtext + 0 avgdata 7378176 maxresident) k
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80232 inputs + 522800 outputs (263 major + 950621123 minor) pagefaults
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0 swaps
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Using Qt's -ccache option:
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36223.82 user
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1872.14 system
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6:58:03 elapsed
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151% CPU (0 avgtext + 0 avgdata 7375136 maxresident) k
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274848 inputs + 578712 outputs (730 major + 724828690 minor) pagefaults
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0 swaps
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Using system ccache:
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4008.03 user
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289.34 system
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1:17:11 elapsed
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92% CPU (0 avgtext + 0 avgdata 7377248 maxresident) k
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4396232 inputs + 391856 outputs (97 major + 59094442 minor) pagefaults
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0 swaps
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BUILDS WITHOUT WEBENGINE
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Normal build:
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10408.66 user
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687.60 system
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3:18:22 elapsed
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93% CPU (0 avgtext + 0 avgdata 3850048 maxresident) k
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48176 inputs + 414056 outputs (26 major + 265106108 minor) pagefaults
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0 swaps
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Using Qt's -ccache option:
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1055.75 user
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167.14 system
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22:17.13 elapsed
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91% CPU (0 avgtext + 0 avgdata 1188432 maxresident) k
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936 inputs + 468464 outputs (8 major + 42575851 minor) pagefaults
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0 swaps
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Using system ccache:
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922.05 user
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159.25 system
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19:42.82 elapsed
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91% CPU (0 avgtext + 0 avgdata 504048 maxresident) k
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5672 inputs + 158016 outputs (5 major + 38449127 minor) pagefaults
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0 swaps
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Average Packages Sizes:
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Normal: 102 MB
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Without webengine: 50 MB
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As is seen by the elapsed time in the results, using ccache
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system-wide has a huge benefit. Qt's -ccache option showed
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little gain when building the full package, but was good
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when building without webengine.
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See README.ccache for information on setting up ccache.
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Last updated Mon 10 Dec 03:46:29 UTC 2018
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46
libraries/qt5/README.ccache
Normal file
46
libraries/qt5/README.ccache
Normal file
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@ -0,0 +1,46 @@
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NOTES ON SETTING UP CCACHE
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Using ccache can save a lot of time when building packages,
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and this is not limited to Qt5. Ccache is installed by
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default on stock Slackware.
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ccache(1) has a lot of useful info on using ccache, however
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I don't recommend using its method of symlinking. Instead I
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recommend the following way:
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mkdir -p /usr/local/bin
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ln -s /usr/bin/ccache /usr/local/bin/cc
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ln -s /usr/bin/ccache /usr/local/bin/c++
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ln -s /usr/bin/ccache /usr/local/bin/gcc
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ln -s /usr/bin/ccache /usr/local/bin/g++
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Doing it this way rather than copying the ccache binary as
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the man page suggests will ensure that the ccache used is
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updated whenever the ccache package is.
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The cache is created in the home directory of the user using
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it, and since slackbuilds are run by root that will be in
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/root/.ccache, therefore ensure that you have enough free
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space on the root file system for it. It is possible to put
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the cache directory elsewhere though. See the man page for
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info. But it would probably be fastest when on the same
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file system as the build directory.
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It's also possible to host the cache on a shared NFS
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directory, but be sure to test the speed before committing
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to that. The man page has some notes on this.
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Since Qt5 can take a lot of build space I recommend a max
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cache size of AT LEAST 6 GB. If you intend to use it all
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the time then use as much as you can. The default size is
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5 GB. I use 20 GB on my main build box, but use 7 GB on
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workstations and servers.
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Handy commands:
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ccache -s: To show some statistics.
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ccache -M <N>: To set the max cache size to N.
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(use G for GB with -M.)
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Last updated Mon 10 Dec 03:46:41 UTC 2018
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@ -67,6 +67,52 @@ TMP=${TMP:-/tmp/SBo}
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PKG=$TMP/package-$PRGNAM
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OUTPUT=${OUTPUT:-/tmp}
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EXAMPLES=${EXAMPLES:-no}
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DOCS=${DOCS:-no}
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PROPRIETARY_CODECS=${PROPRIETARY_CODECS:-no}
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PULSEAUDIO=${PULSEAUDIO:-yes}
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CCACHE=${CCACHE:-no}
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WEBENGINE=${WEBENGINE:-yes}
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printf "\n%s\n\n" "SlackBuild Options:"
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printf "%s\n" "CCACHE: $CCACHE"
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printf "%s\n" "DOCS: $DOCS"
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printf "%s\n" "EXAMPLES: $EXAMPLES"
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printf "%s\n" "PROPRIETARY_CODECS: $PROPRIETARY_CODECS"
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printf "%s\n" "PULSEAUDIO: $PULSEAUDIO"
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printf "%s\n" "WEBENGINE: $WEBENGINE"
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printf "\n"
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# Default is no.
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if [ "$EXAMPLES" == "yes" ]; then
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BUILD_EXAMPLES=""
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else
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BUILD_EXAMPLES="-nomake examples"
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fi
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# Default is yes.
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if [ "$PULSEAUDIO" = "no" ]; then
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PULSE="-no-pulseaudio"
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fi
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# Default is no.
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if [ "$CCACHE" = "yes" ]; then
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CCACHE="-ccache"
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else
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unset CCACHE
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fi
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if [ "$WEBENGINE" = "no" ]; then
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EXCLUDE="--exclude=qtweb*"
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PKGVERSION="${VERSION}_nowebengine"
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else
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PKGVERSION="${VERSION}"
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# Note that this changes to -webengine-proprietary-codecs in later versions
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if [ "$PROPRIETARY_CODECS" = "yes" ]; then
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CODECS="-proprietary-codecs"
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fi
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fi
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if [ "$ARCH" = "i586" ]; then
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SLKCFLAGS="-O2 -march=i586 -mtune=i686"
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LIBDIRSUFFIX=""
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@ -101,7 +147,7 @@ mkdir -p $TMP $PKG $OUTPUT
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cd $TMP
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echo "Removing any existing source directory. Please wait..."
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rm -rf ${PRGNAM/5/}-everywhere-opensource-src-$VERSION
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tar xvf $CWD/${PRGNAM/5/}-everywhere-opensource-src-$VERSION.tar.xz
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tar xvf $CWD/${PRGNAM/5/}-everywhere-opensource-src-$VERSION.tar.xz $EXCLUDE
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cd ${PRGNAM/5/}-everywhere-opensource-src-$VERSION
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chown -R root:root .
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find -L . \
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@ -120,23 +166,6 @@ fi
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sed -i "s|-O2|$SLKCFLAGS|" qtbase/mkspecs/common/gcc-base.conf
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# Build examples. Default is no.
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if [ "${EXAMPLES:-no}" == "yes" ]; then
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BUILD_EXAMPLES=""
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else
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BUILD_EXAMPLES="-nomake examples"
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fi
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if [ "${PULSEAUDIO:-yes}" = "no" ]; then
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PULSE="-no-pulseaudio"
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fi
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# New codec option.
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# Note that this changes to -webengine-proprietary-codecs in later versions
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if [ "${PROPRIETARY_CODECS:-no}" = "yes" ]; then
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CODECS="-proprietary-codecs"
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fi
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export CFLAGS="$SLKCFLAGS"
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export CXXFLAGS="$SLKCFLAGS -std=c++11"
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./configure -v \
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@ -167,6 +196,7 @@ export CXXFLAGS="$SLKCFLAGS -std=c++11"
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-release \
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-no-use-gold-linker \
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-c++std c++11 \
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$CCACHE \
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$CODECS \
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$PULSE \
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$RELOCATIONS \
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@ -176,7 +206,7 @@ make
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make install INSTALL_ROOT=$PKG
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# Install documentation. Default is not to install documentation.
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if [ "${DOCS:-no}" == "yes" ]; then
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if [ "$DOCS" == "yes" ]; then
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# Recreate Makefiles in order to use the just compiled qdoc.
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for doc in $(find . -name "Makefile*" | xargs egrep "^\s/usr/lib${LIBDIRSUFFIX}/qt5/bin/" \
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| cut -d':' -f1 | uniq)
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@ -236,11 +266,13 @@ Description: Qt5 Configuration
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Version: $VERSION
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EOF
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# Fix internal linking for Qt5WebEngineCore.pc.
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sed -i \
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-e 's|-Wl,--start-group.* -Wl,--end-group||' \
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-e "s|-L${PWD}/qtwebengine/src/core/api/Release||" \
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$PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/Qt5WebEngineCore.pc
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if [ "$WEBENGINE" = "yes" ]; then
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# Fix internal linking for Qt5WebEngineCore.pc.
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sed -i \
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-e 's|-Wl,--start-group.* -Wl,--end-group||' \
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-e "s|-L${PWD}/qtwebengine/src/core/api/Release||" \
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$PKG/usr/lib${LIBDIRSUFFIX}/pkgconfig/Qt5WebEngineCore.pc
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fi
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# While we are at it, there isn't any reason to keep references to $PKG in the *.prl files.
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for PRL in $(find $PKG -name "*\.prl"); do
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@ -291,6 +323,7 @@ find $PKG \( -name "*.qml" -o -name "*.app" \) -perm 755 -exec chmod 644 '{}' \;
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mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
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cp -a \
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README qtbase/{header*,LGPL_EXCEPTION.txt,LICENSE.*L} \
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$CWD/README.benchmarks $CWD/README.ccache \
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$PKG/usr/doc/$PRGNAM-$VERSION
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cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
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@ -299,6 +332,6 @@ cat $CWD/slack-desc > $PKG/install/slack-desc
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cat $CWD/doinst.sh > $PKG/install/doinst.sh
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cd $PKG
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/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
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/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$PKGVERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz}
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# vim: expandtab
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