On 2023-07-28 04:35:01+0800, Zhangjin Wu wrote: > The sysroot install and kernel build targets are time cost, let's use > -j<N> to parallelize them with multiple jobs. > > Signed-off-by: Zhangjin Wu <falcon@xxxxxxxxxxx> > --- > tools/testing/selftests/nolibc/Makefile | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile > index ad2538ec5eb0..1b45c22f9a94 100644 > --- a/tools/testing/selftests/nolibc/Makefile > +++ b/tools/testing/selftests/nolibc/Makefile > @@ -171,7 +171,7 @@ PHONY = sysroot/$(ARCH)/include > sysroot/$(ARCH)/include: > $(Q)rm -rf sysroot/$(ARCH) sysroot/sysroot > $(QUIET_MKDIR)mkdir -p sysroot > - $(Q)$(MAKE) -C ../../../include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone > + $(Q)$(MAKE) -j$$(nproc) -C ../../../include/nolibc ARCH=$(ARCH) OUTPUT=$(CURDIR)/sysroot/ headers_standalone This should already work when the users specify -j on the make command line themselves. I'm not a fan of force-enabling it here. > $(Q)mv sysroot/sysroot sysroot/$(ARCH) > > ifneq ($(NOLIBC_SYSROOT),0) > @@ -211,7 +211,7 @@ initramfs: nolibc-test > $(Q)cp nolibc-test initramfs/init > > # common macros for kernel targets > -MAKE_KERNEL = $(MAKE) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) > +MAKE_KERNEL = $(MAKE) -j$$(nproc) -C $(srctree) ARCH=$(ARCH) CC=$(CC) CROSS_COMPILE=$(CROSS_COMPILE) > KERNEL_CONFIG = $(objtree)/.config > KERNEL_IMAGE = $(objtree)/$(IMAGE) > > -- > 2.25.1 >
