Hi Tom
On Wed, 4 Mar 2026 at 17:45, Tom Rini <[email protected]> wrote: > > On Wed, Mar 04, 2026 at 03:24:45PM +0000, Conor Dooley wrote: > > On Wed, Mar 04, 2026 at 09:11:54AM -0600, Tom Rini wrote: > > > On Wed, Mar 04, 2026 at 03:09:40PM +0000, Conor Dooley wrote: > > > > On Wed, Mar 04, 2026 at 09:01:45AM -0600, Tom Rini wrote: > > > > > On Wed, Mar 04, 2026 at 09:54:22AM +0000, Conor Dooley wrote: > > > > > > On Tue, Mar 03, 2026 at 12:50:55PM -0600, Tom Rini wrote: > > > > > > > On Fri, 13 Feb 2026 19:47:34 -0700, Simon Glass wrote: > > > > > > > > > > > > > > > The exported sub_make_done variable leaks into the environment > > > > > > > > of all > > > > > > > > child processes. When make targets like tcheck spawn > > > > > > > > independent make > > > > > > > > invocations with O=, those child makes inherit sub_make_done=1, > > > > > > > > skip > > > > > > > > the KBUILD_OUTPUT setup and try to build in the source tree. > > > > > > > > > > > > > > > > There is a workaround that resets sub_make_done to 0 for > > > > > > > > specific test > > > > > > > > targets, but this isn't great since it has tolist every target > > > > > > > > that > > > > > > > > spawns independent make invocations. > > > > > > > > > > > > > > > > [...] > > > > > > > > > > > > > > Applied to u-boot/master, thanks! > > > > > > > > > > > > > > [1/1] kbuild: unexport sub_make_done to fix child make invocations > > > > > > > commit: 4284306d22c5b6d64ecd62b462551d9d313c8104 > > > > > > > > > > > > > > > > > > This breaks the build for me: > > > > > > make ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- O=build > > > > > > microchip_mpfs_generic_defconfig > > > > > > GEN Makefile > > > > > > # > > > > > > # configuration written to .config > > > > > > # > > > > > > make ARCH=riscv CROSS_COMPILE=riscv64-unknown-linux-gnu- O=build > > > > > > HOSTCC scripts/basic/fixdep > > > > > > GEN Makefile > > > > > > HOSTCC scripts/kconfig/conf.o > > > > > > YACC scripts/kconfig/zconf.tab.[ch] > > > > > > LEX scripts/kconfig/zconf.lex.c > > > > > > HOSTCC scripts/kconfig/zconf.tab.o > > > > > > HOSTLD scripts/kconfig/conf > > > > > > scripts/kconfig/conf --syncconfig Kconfig > > > > > > *** > > > > > > *** Configuration file ".config" not found! > > > > > > *** > > > > > > *** Please run some configurator (e.g. "make oldconfig" or > > > > > > *** "make menuconfig" or "make xconfig"). > > > > > > *** > > > > > > make[4]: *** [/stuff/u-boot/scripts/kconfig/Makefile:75: > > > > > > syncconfig] Error 1 > > > > > > make[3]: *** [/stuff/u-boot/Makefile:702: syncconfig] Error 2 > > > > > > make[2]: *** [../Makefile:189: __sub-make] Error 2 > > > > > > make[1]: *** No rule to make target 'include/config/auto.conf', > > > > > > needed by 'include/config/uboot.release'. Stop. > > > > > > make: *** [Makefile:189: __sub-make] Error 2 > > > > > > > > > > That's odd. What host distro and make? I don't see that on Ubuntu > > > > > 24.04. > > > > > > > > Originally my CI found it in a docker container with "from: > > > > ubuntu:noble", > > > > so 24.04. I reproduced it locally on debian unstable with make 4.4.1 > > > > > > That's even more puzzling (noble is 24.04) since that sounds very close > > > to our CI too. Can you please look more in to what's going on? > > > > Can I assume your CI also sets O=<something> then? Is the CI config > > stuff in tree, or somewhere else? > > We use buildman, which in turn does separate output directories. We > also, in Azure, have one job that uses O= specifically. Things are > defiend in .gitlab-ci.yml and .azure-pipelines.yml I get the same error with make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- qemu_arm64_lwip_defconfig O=build make ARCH=arm CROSS_COMPILE=aarch64-linux-gnu- O=build HOSTCC scripts/basic/fixdep GEN Makefile HOSTCC scripts/kconfig/conf.o YACC scripts/kconfig/zconf.tab.[ch] LEX scripts/kconfig/zconf.lex.c HOSTCC scripts/kconfig/zconf.tab.o HOSTLD scripts/kconfig/conf scripts/kconfig/conf --syncconfig Kconfig *** *** Configuration file ".config" not found! *** *** Please run some configurator (e.g. "make oldconfig" or *** "make menuconfig" or "make xconfig"). *** make[4]: *** [/home/apalos/work/u-boot-tpm/scripts/kconfig/Makefile:75: syncconfig] Error 1 make[3]: *** [/home/apalos/work/u-boot-tpm/Makefile:702: syncconfig] Error 2 make[2]: *** [../Makefile:189: __sub-make] Error 2 make[1]: *** No rule to make target 'include/config/auto.conf', needed by 'include/config/uboot.release'. Stop. make: *** [Makefile:189: __sub-make] Error 2 Also the patch has a Fixes tag, but it doesn't actually fix anything. It just tries to improve something. Can we revert it on master at least? Do you want me to send a patch? Cheers /Ilias > > -- > Tom
