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
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