Hi Shuah, Should we merge this? Thanks, Usama On 5/23/22 2:40 PM, Muhammad Usama Anjum wrote: > On 5/22/22 10:15 PM, Masahiro Yamada wrote: >> On Sat, May 21, 2022 at 3:44 PM Muhammad Usama Anjum >> <usama.anjum@xxxxxxxxxxxxx> wrote: >>> >>> Hello, >>> >>> kselftest can be built using the kernel's top most Makefile without >>> using kselftest's Makefile directly. But there is bug in the top most >>> Makefile. The build fails if the specified output directory is first >>> level sub-directory. Here is a example to reproduce this bug: >>> >>> make kselftest-all O=build >>> >>> "The Make is working in a wrong directory, that is why the relative path >>> does not work." Masahiro Yamada. Feel free to fix it if someone pin the bug. >>> >>> It should be noted that the build works in some other combinations: >>> make kselftest-all (works) >>> make kselftest-all O=/tmp (works) >>> make kselftest-all O=build/build2 (works) >>> >>> My unsuccessful attempt to fix this bug can be found here: >>> https://lore.kernel.org/lkml/20220223191016.1658728-1-usama.anjum@xxxxxxxxxxxxx/ >>> >>> Thanks, >>> Muhammad Usama Anjum >> >> >> This problem starts from the bad design of the kselftest framework. >> I did some research before. I think I can fix the root cause but >> currently I do not have enough time to do it. >> >> >> KBUILD_ABS_SRCTREE is a user-interface to request >> Kbuild to use the absolute path. >> If it is forced in the top Makefile, users have no way to >> negate it. >> It is true that using the absolute path is a quick work-around >> because you do not need to care about the current working directory. >> >> If you insist on it, just go ahead. It is just two line changes. >> Once the issue is fixed in a better way, your patch can be reverted easily. > Thank you for replying. Lets merge it Shuah? > >> >> >> > -- Muhammad Usama Anjum