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ddb29ce831
Move some environment variables to the configuration file, so there's less happening in the class. Max_size was removed so that the per-recipe caches don't grown without limit. The default cache is 5GB. (From OE-Core rev: 8c1c38a6b3073d2dd34514f5a90805c12c0f42dd) Signed-off-by: Ross Burton <ross.burton@arm.com> Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
72 lines
2.0 KiB
Plaintext
72 lines
2.0 KiB
Plaintext
#
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# Copyright OpenEmbedded Contributors
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#
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# SPDX-License-Identifier: MIT
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#
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#
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# Usage:
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# - Enable ccache
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# Add the following line to a conffile such as conf/local.conf:
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# INHERIT += "ccache"
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#
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# - Disable ccache for a recipe
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# Add the following line to the recipe if it can't be built with ccache:
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# CCACHE_DISABLE = '1'
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#
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# - Share ccache files between different builds
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# Set CCACHE_TOP_DIR to a shared dir
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# CCACHE_TOP_DIR = /path/to/shared_ccache/
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#
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# - TO debug ccahe
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# export CCACHE_DEBUG = "1"
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# export CCACHE_LOGFILE = "${CCACHE_DIR}/logfile.log"
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# And also set PARALLEL_MAKE = "-j 1" to get make the log in order
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#
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# Set it to a shared location for different builds, so that cache files can
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# be shared between different builds.
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CCACHE_TOP_DIR ?= "${TMPDIR}/ccache"
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# ccache-native and cmake-native have a circular dependency
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# that affects other native recipes, but not all.
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# Allows to use ccache in specified native recipes.
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CCACHE_NATIVE_RECIPES_ALLOWED ?= ""
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# ccahe removes CCACHE_BASEDIR from file path, so that hashes will be the same
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# in different builds.
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export CCACHE_BASEDIR ?= "${TMPDIR}"
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# Used for sharing cache files after compiler is rebuilt
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export CCACHE_COMPILERCHECK ?= "%compiler% -dumpspecs"
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export CCACHE_CONFIGPATH ?= "${COREBASE}/meta/conf/ccache.conf"
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export CCACHE_DIR ?= "${CCACHE_TOP_DIR}/${MULTIMACH_TARGET_SYS}/${PN}"
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python() {
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"""
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Enable ccache for the recipe
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"""
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pn = d.getVar('PN')
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if (pn in d.getVar('CCACHE_NATIVE_RECIPES_ALLOWED') or
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not (bb.data.inherits_class("native", d) or
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bb.utils.to_boolean(d.getVar('CCACHE_DISABLE')))):
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d.appendVar('DEPENDS', ' ccache-native')
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d.setVar('CCACHE', 'ccache ')
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}
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addtask cleanccache after do_clean
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python do_cleanccache() {
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import shutil
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ccache_dir = d.getVar('CCACHE_DIR')
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if os.path.exists(ccache_dir):
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bb.note("Removing %s" % ccache_dir)
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shutil.rmtree(ccache_dir)
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else:
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bb.note("%s doesn't exist" % ccache_dir)
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}
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addtask cleanall after do_cleanccache
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do_cleanccache[nostamp] = "1"
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