build: use lazy evaluation for NPROC to speed up metadata dump

Reduces package metadata dump time by ~10%

Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2025-01-14 14:02:16 +01:00
parent 3963dab030
commit dac8021297

View File

@ -96,7 +96,7 @@ TARGET_SUFFIX=$(call qstrip,$(CONFIG_TARGET_SUFFIX))
BUILD_SUFFIX:=$(call qstrip,$(CONFIG_BUILD_SUFFIX))
SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
BUILD_SUBDIR:=$(patsubst $(TOPDIR)/%,%,${CURDIR})
NPROC:=$(shell sysctl -n hw.ncpu 2>/dev/null || nproc)
NPROC=$(shell sysctl -n hw.ncpu 2>/dev/null || nproc)
export SHELL:=/usr/bin/env bash
IS_PACKAGE_BUILD := $(if $(filter package/%,$(BUILD_SUBDIR)),1)