If the jobserver class is enabled, the PARALLEL_MAKE variable is unset in favor of configuring a shared jobserver in the MAKEFLAGS variable. However, the qemu makefile translates the missing `-j<N>` argument to `-j1` when calling into meson / ninja. Avoid this by setting `-j` without a value. For normal/GNU make, this can result in a fork bomb, but for ninja, it simply makes it use the jobserver fifa instead.
Signed-off-by: Martin Hundebøll <[email protected]> --- meta/recipes-devtools/qemu/qemu.inc | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc index ea02bf0c73..7da05fcbf4 100644 --- a/meta/recipes-devtools/qemu/qemu.inc +++ b/meta/recipes-devtools/qemu/qemu.inc @@ -110,6 +110,11 @@ EXTRA_OECONF = " \ ${PACKAGECONFIG_CONFARGS} \ " +# Avoid the qemu makefile treating a missing `-j<N>` argument as `-j1` when +# calling meson / ninja. This happens when the `jobserver` class is used, since +# it manages parallelism in the MAKEFLAGS variable instead of PARALLEL_MAKE. +EXTRA_OEMAKE:append = "${@' -j' if d.getVar('JOBSERVER_FIFO') else ''}" + B = "${WORKDIR}/build" #EXTRA_OECONF:append = " --python=${HOSTTOOLS_DIR}/python3" -- 2.41.0
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