On 3/11/20 4:31 PM, Shuah Khan wrote: > On 3/11/20 4:58 PM, Kevin Hilman wrote: >> Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> writes: >> >>> make kselftest-all O=objdir builds create generated objects in objdir. >>> This clutters the top level directory with kselftest objects. Fix it >>> to create sub-directory under objdir for kselftest objects. >>> >>> Signed-off-by: Shuah Khan <skhan@xxxxxxxxxxxxxxxxxxx> >> >> Only somewhat related to this patch, another problem that wasn't in your >> doci is that the current O= support doesn't support relative paths. >> > > Yes I am aware of it and it is in the document as something that will > be addressed later. > > "Note: Relative paths don’t work - supporting relative paths breaks work-flows e.g: > powerpc. Explore fix. Compile work-flows. Not planning to support at the moment." Hi, Sorry to be dense but where is this documented (as quoted above)? Thanks. >> For example, using O=/tmp/build-arm64 works, but O=build-arm64 doesn't. >> Try this: >> >> $ make ARCH=arm64 HOSTCC=gcc CROSS_COMPILE=aarch64-linux-gnu- O=build-arm64 defconfig >> $ make ARCH=arm64 HOSTCC=gcc CROSS_COMPILE=aarch64-linux-gnu- O=build-arm64 kselftest-all >> make[1]: Entering directory '/work/kernel/linux/build-arm64' >> make --no-builtin-rules INSTALL_HDR_PATH=$BUILD/usr \ >> ARCH=arm64 -C ../../.. headers_install >> make[4]: ../scripts/Makefile.build: No such file or directory >> make[4]: *** No rule to make target '../scripts/Makefile.build'. Stop. >> Makefile:500: recipe for target 'scripts_basic' failed >> make[3]: *** [scripts_basic] Error 2 >> Makefile:151: recipe for target 'khdr' failed >> make[2]: *** [khdr] Error 2 >> /work/kernel/linux/Makefile:1220: recipe for target 'kselftest-all' failed >> make[1]: *** [kselftest-all] Error 2 >> make[1]: Leaving directory '/work/kernel/linux/build-arm64' >> Makefile:179: recipe for target 'sub-make' failed >> make: *** [sub-make] Error 2 >> > > I am looking to address build and install issues first. > > thanks, > -- Shuah -- ~Randy