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cmake: prefer CMAKE_BUILD_PARALLEL_LEVEL

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cmake 3.12 introduced this environment variable. Prefer it to passing
PARALLEL_MAKE and PARALLEL_MAKEINST on the cmake command line, because
it gets passed to second stage cmake invocations while command-line
arguments do not (for example, multi-stage clang builds)

(From OE-Core rev: cdd44c93f02bb8cc2fa773e13c8ce36e3da23921)

Signed-off-by: Daniel McGregor <daniel.mcgregor@vecima.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Daniel McGregor
2020-01-23 15:44:42 -06:00
committed by Richard Purdie
parent e6daaf97b3
commit a26efa2875
2 changed files with 10 additions and 6 deletions
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5
meta/classes/cmake.bbclass
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@@ -63,8 +63,9 @@ OECMAKE_FIND_ROOT_PATH_MODE_PROGRAM_class-native = "BOTH"
EXTRA_OECMAKE_append = " ${PACKAGECONFIG_CONFARGS}"
EXTRA_OECMAKE_BUILD_prepend_task-compile = "${PARALLEL_MAKE} "
EXTRA_OECMAKE_BUILD_prepend_task-install = "${PARALLEL_MAKEINST} "
export CMAKE_BUILD_PARALLEL_LEVEL
CMAKE_BUILD_PARALLEL_LEVEL_task-compile = "${@oe.utils.parallel_make(d, False)}"
CMAKE_BUILD_PARALLEL_LEVEL_task-install = "${@oe.utils.parallel_make(d, True)}"
OECMAKE_TARGET_COMPILE ?= "all"
OECMAKE_TARGET_INSTALL ?= "install"

11
meta/lib/oe/utils.py
View File

@@ -169,7 +169,7 @@ def any_distro_features(d, features, truevalue="1", falsevalue=""):
"""
return bb.utils.contains_any("DISTRO_FEATURES", features, truevalue, falsevalue, d)
def parallel_make(d):
def parallel_make(d, makeinst=False):
"""
Return the integer value for the number of parallel threads to use when
building, scraped out of PARALLEL_MAKE. If no parallelization option is
@@ -177,7 +177,10 @@ def parallel_make(d):
e.g. if PARALLEL_MAKE = "-j 10", this will return 10 as an integer.
"""
pm = (d.getVar('PARALLEL_MAKE') or '').split()
if makeinst:
pm = (d.getVar('PARALLEL_MAKEINST') or '').split()
else:
pm = (d.getVar('PARALLEL_MAKE') or '').split()
# look for '-j' and throw other options (e.g. '-l') away
while pm:
opt = pm.pop(0)
@@ -192,7 +195,7 @@ def parallel_make(d):
return None
def parallel_make_argument(d, fmt, limit=None):
def parallel_make_argument(d, fmt, limit=None, makeinst=False):
"""
Helper utility to construct a parallel make argument from the number of
parallel threads specified in PARALLEL_MAKE.
@@ -205,7 +208,7 @@ def parallel_make_argument(d, fmt, limit=None):
e.g. if PARALLEL_MAKE = "-j 10", parallel_make_argument(d, "-n %d") will return
"-n 10"
"""
v = parallel_make(d)
v = parallel_make(d, makeinst)
if v:
if limit:
v = min(limit, v)