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

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.

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
This commit is contained in:
Peter Marko
2025-02-28 21:57:10 +01:00
committed by Khem Raj
parent 59dacb6d4d
commit fe582374d3
2 changed files with 8 additions and 0 deletions

View File

@@ -19,6 +19,10 @@ SRC_URI[sha256sum] = "e578fee7c1c213c8e471750d92631d00f178a15479fb2cb3b939a07fc1
RDEPENDS:${PN} = "python3-grpcio"
do_compile:prepend() {
export GRPC_PYTHON_BUILD_EXT_COMPILER_JOBS="${@oe.utils.parallel_make(d, False)}"
}
BBCLASSEXTEND = "native nativesdk"
CVE_PRODUCT += "grpc:grpc"

View File

@@ -29,6 +29,10 @@ export GRPC_PYTHON_BUILD_SYSTEM_OPENSSL = "1"
export GRPC_PYTHON_BUILD_SYSTEM_RE2 = "1"
export GRPC_PYTHON_BUILD_SYSTEM_ZLIB = "1"
do_compile:prepend() {
export GRPC_PYTHON_BUILD_EXT_COMPILER_JOBS="${@oe.utils.parallel_make(d, False)}"
}
GRPC_CFLAGS ?= ""
GRPC_CFLAGS:append:toolchain-clang = " -fvisibility=hidden -fno-wrapv -fno-exceptions"
export GRPC_PYTHON_CFLAGS = "${GRPC_CFLAGS}"