It turns out that by setting DIST_EXTRA_CONFIG you can tell setuptools to read a supplementary configuration file. This lets us pass options that we normally cannot reach via the bdist_wheel command.
Tell the build task to use a build directory outside of the source tree, so that we can clean it before each rebuild. Tell the build_ext task to do parallel builds, as it defaults to not. In my testing this halves the build time of python3-pandas. Signed-off-by: Ross Burton <[email protected]> --- .../python_setuptools_build_meta.bbclass | 14 ++++++++++++++ meta/classes-recipe/setuptools3.bbclass | 12 ++++++++++++ 2 files changed, 26 insertions(+) diff --git a/meta/classes-recipe/python_setuptools_build_meta.bbclass b/meta/classes-recipe/python_setuptools_build_meta.bbclass index 4c84d1e8d0b..3fd42cc9845 100644 --- a/meta/classes-recipe/python_setuptools_build_meta.bbclass +++ b/meta/classes-recipe/python_setuptools_build_meta.bbclass @@ -7,3 +7,17 @@ inherit setuptools3-base python_pep517 DEPENDS += "python3-setuptools-native python3-wheel-native" + +B = "${WORKDIR}/build" +do_configure[cleandirs] += "${B}" + +do_compile:prepend() { + # Write an extra config file to build in parallel + export DIST_EXTRA_CONFIG=${WORKDIR}/setuptools-extra.cfg + cat <<EOF >$DIST_EXTRA_CONFIG +[build] +build_base = ${B} +[build_ext] +parallel = ${@oe.utils.parallel_make(d)} +EOF +} diff --git a/meta/classes-recipe/setuptools3.bbclass b/meta/classes-recipe/setuptools3.bbclass index 64a78e9a367..be260093b47 100644 --- a/meta/classes-recipe/setuptools3.bbclass +++ b/meta/classes-recipe/setuptools3.bbclass @@ -12,6 +12,8 @@ SETUPTOOLS_BUILD_ARGS ?= "" SETUPTOOLS_SETUP_PATH ?= "${S}" +B = "${WORKDIR}/build" + python do_check_backend() { import re filename = d.expand("${SETUPTOOLS_SETUP_PATH}/pyproject.toml") @@ -29,8 +31,18 @@ addtask check_backend after do_patch before do_configure setuptools3_do_configure() { : } +do_configure[cleandirs] += "${B}" setuptools3_do_compile() { + # Write an extra config file to build in parallel + export DIST_EXTRA_CONFIG=${WORKDIR}/setuptools-extra.cfg + cat <<EOF >$DIST_EXTRA_CONFIG +[build] +build_base = ${B} +[build_ext] +parallel = ${@oe.utils.parallel_make(d)} +EOF + cd ${SETUPTOOLS_SETUP_PATH} NO_FETCH_BUILD=1 \ STAGING_INCDIR=${STAGING_INCDIR} \ -- 2.34.1
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