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[bpf-next,0/8] samples: bpf: improve/fix cross-compilation

Message ID 20190904212212.13052-1-ivan.khoronzhuk@linaro.org
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Series samples: bpf: improve/fix cross-compilation | expand

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Ivan Khoronzhuk Sept. 4, 2019, 9:22 p.m. UTC 
This series contains mainly fixes/improvements for cross-compilation
(also verified on native platform build), tested on arm, but intended
for any arch.

Initial RFC link:
https://lkml.org/lkml/2019/8/29/1665

Besides the pathces given here, the RFC also contains couple patches
related to llvm clang
  arm: include: asm: swab: mask rev16 instruction for clang
  arm: include: asm: unified: mask .syntax unified for clang

The change touches not only cross-compilation and can have impact on
other archs and build environments, so might be good idea to verify
it in order to add appropriate changes, some warn options could be
tuned also.

Ivan Khoronzhuk (8):
  samples: bpf: Makefile: use --target from cross-compile
  samples: bpf: Makefile: remove target for native build
  libbpf: Makefile: add C/CXX/LDFLAGS to libbpf.so and test_libpf
    targets
  samples: bpf: use own EXTRA_CFLAGS for clang commands
  samples: bpf: Makefile: use vars from KBUILD_CFLAGS to handle linux
    headers
  samples: bpf: makefile: fix HDR_PROBE "echo"
  samples: bpf: add makefile.prog for separate CC build
  samples: bpf: Makefile: base progs build on Makefile.progs

 samples/bpf/Makefile      | 177 ++++++++++++++++++++++----------------
 samples/bpf/Makefile.prog |  77 +++++++++++++++++
 samples/bpf/README.rst    |   7 ++
 tools/lib/bpf/Makefile    |  11 ++-
 4 files changed, 197 insertions(+), 75 deletions(-)
 create mode 100644 samples/bpf/Makefile.prog