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ccache.bbclass: Add allowed list for native recipes

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Native recipes are not able to use ccache currently, due to a circular
dependency between ccache-native and cmake-native.
This affects also other native recipes, but not all, imposing a
limitation in build time optimizations.

The introduction of CCACHE_NATIVE_RECIPES_ALLOWED allows the user to specify
which native recipes should use ccache, keeping it disable by default for all
native recipes.

(From OE-Core rev: 87cb2be71e0c0c123eaae6a5ae135900c95535db)

Signed-off-by: Angelo Ribeiro <Angelo.Ribeiro@criticaltechworks.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Angelo Ribeiro
2023-08-17 10:01:15 +01:00
committed by Richard Purdie
parent 853e98f54b
commit 8f98a81394
2 changed files with 9 additions and 3 deletions
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11
meta/classes/ccache.bbclass
View File

@@ -28,6 +28,11 @@
# be shared between different builds. # be shared between different builds.
CCACHE_TOP_DIR ?= "${TMPDIR}/ccache" CCACHE_TOP_DIR ?= "${TMPDIR}/ccache"
# ccache-native and cmake-native have a circular dependency
# that affects other native recipes, but not all.
# Allows to use ccache in specified native recipes.
CCACHE_NATIVE_RECIPES_ALLOWED ?= ""
# ccahe removes CCACHE_BASEDIR from file path, so that hashes will be the same # ccahe removes CCACHE_BASEDIR from file path, so that hashes will be the same
# in different builds. # in different builds.
export CCACHE_BASEDIR ?= "${TMPDIR}" export CCACHE_BASEDIR ?= "${TMPDIR}"
@@ -54,9 +59,9 @@ python() {
Enable ccache for the recipe Enable ccache for the recipe
""" """
pn = d.getVar('PN') pn = d.getVar('PN')
# quilt-native doesn't need ccache since no c files if (pn in d.getVar('CCACHE_NATIVE_RECIPES_ALLOWED') or
if not (bb.data.inherits_class("native", d) or not (bb.data.inherits_class("native", d) or
bb.utils.to_boolean(d.getVar('CCACHE_DISABLE'))): bb.utils.to_boolean(d.getVar('CCACHE_DISABLE')))):
d.appendVar('DEPENDS', ' ccache-native') d.appendVar('DEPENDS', ' ccache-native')
d.setVar('CCACHE', 'ccache ') d.setVar('CCACHE', 'ccache ')
} }

1
meta/conf/documentation.conf
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@@ -106,6 +106,7 @@ BUSYBOX_SPLIT_SUID[doc] = "For the BusyBox recipe, specifies whether to split th
#C #C
CACHE[doc] = "The directory holding the cache of the metadata." CACHE[doc] = "The directory holding the cache of the metadata."
CCACHE_NATIVE_RECIPES_ALLOWED[doc] = "A list of native recipes to use Ccache, this variable is useful to bypass a circular dependency between ccache-native and cmake-native that inhibits to use Ccache in other native recipes."
CFLAGS[doc] = "Flags passed to the C compiler for the target system. This variable evaluates to the same as TARGET_CFLAGS." CFLAGS[doc] = "Flags passed to the C compiler for the target system. This variable evaluates to the same as TARGET_CFLAGS."
CLASSOVERRIDE[doc] = "An internal variable specifying the special class override that should currently apply (e.g. "class-target", "class-native", and so forth)." CLASSOVERRIDE[doc] = "An internal variable specifying the special class override that should currently apply (e.g. "class-target", "class-native", and so forth)."
CLEANBROKEN[doc] = "Specifies if 'make clean' does not work for a recipe (and therefore the build system should not try to use it during do_configure)" CLEANBROKEN[doc] = "Specifies if 'make clean' does not work for a recipe (and therefore the build system should not try to use it during do_configure)"