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linux/tools/testing/selftests/net/bpf
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Björn Töpel 17961a37ce selftests: net: Fix O=dir builds 
The BPF Makefile in net/bpf did incorrect path substitution for O=dir
builds, e.g.

  make O=/tmp/kselftest headers
  make O=/tmp/kselftest -C tools/testing/selftests

would fail in selftest builds [1] net/ with

  clang-16: error: no such file or directory: 'kselftest/net/bpf/nat6to4.c'
  clang-16: error: no input files

Add a pattern prerequisite and an order-only-prerequisite (for
creating the directory), to resolve the issue.

[1] https://lore.kernel.org/all/202212060009.34CkQmCN-lkp@intel.com/

Reported-by: kernel test robot <lkp@intel.com>
Fixes: 837a3d66d6 ("selftests: net: Add cross-compilation support for BPF programs")
Signed-off-by: Björn Töpel <bjorn@rivosinc.com>
Link: https://lore.kernel.org/r/20221206102838.272584-1-bjorn@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2022-12-08 19:26:18 -08:00
..
Makefile selftests: net: Fix O=dir builds 2022-12-08 19:26:18 -08:00
nat6to4.c