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python3-grpcio(-tools): fix build concurrency issue

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Set GRPC_PYTHON_BUILD_EXT_COMPILER_JOBS to limit spawned compiler
processes. Without this it uses all available CPUs (via
multiprocessing.cpu_count()) and can exhaust build host since there are
lot of files to compile (e.g. with 128 cores it manages to spawn 128 gcc
processes)

Note that this is a general problem for all setuptools based builds with
build_ext compilation which can either compile with 1 thread or
cpu_count threads. grpcio hot-patches setuptools and allows to set
specific build concurrency value.

(From master rev: fe582374d3)

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
This commit is contained in:
Peter Marko
2025-03-01 21:00:35 +01:00
committed by Armin Kuster
parent c204166dac
commit 96af366002
2 changed files with 8 additions and 0 deletions
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4
meta-python/recipes-devtools/python/python3-grpcio-tools_1.62.2.bb
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@@ -16,4 +16,8 @@ SRC_URI[sha256sum] = "5fd5e1582b678e6b941ee5f5809340be5e0724691df5299aae8226640f
RDEPENDS:${PN} = "python3-grpcio"
do_compile:prepend() {
export GRPC_PYTHON_BUILD_EXT_COMPILER_JOBS="${@oe.utils.parallel_make(d, False)}"
}
BBCLASSEXTEND = "native nativesdk"