On Mon, Aug 24, 2020 at 6:20 PM Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > Hi all, > > On Fri, 21 Aug 2020 11:11:11 +1000 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote: > > > > Hi all, > > > > After merging the bpf-next tree, today's linux-next build (x86_64 > > allmodconfig) failed like this: > > > > Auto-detecting system features: > > ... libelf: [ [31mOFF [m ] > > ... zlib: [ [31mOFF [m ] > > ... bpf: [ [32mon [m ] > > > > No libelf found > > make[5]: *** [Makefile:284: elfdep] Error 1 > > > > Caused by commit > > > > d71fa5c9763c ("bpf: Add kernel module with user mode driver that populates bpffs.") > > > > [For a start, can we please *not* add this verbose feature detection > > output to the nrormal build?] > > > > This is a PowerPC hosted cross build. > > > > I have marked BPF_PRELOAD as BROKEN for now. > > Still getting this failure ... I don't have powerpc with crosscompiler to x86 to reproduce. What exactly the error? bpf_preload has: "depends on CC_CAN_LINK" which is exactly the same as bpfilter. You should have seen this issue with bpfilter for years now.