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Simplify tetra and tetragon build without CGO, add binary stripping and improve Makefile #1268

Merged
merged 3 commits into from
Jul 24, 2023
Merged

Simplify tetra and tetragon build without CGO, add binary stripping and improve Makefile #1268

merged 3 commits into from
Jul 24, 2023

Commits on Jul 24, 2023

  1. tetra: simplify Linux build 

    Previously tetra on Linux was importing the tracingpolicy package that
was importing pkg/bpf which was using CGO. The CGO dependency was
removed so we don't need to split between dynamic and static compilation
anymore.

Signed-off-by: Mahe Tardy <mahe.tardy@gmail.com>
    @mtardy
    mtardy committed Jul 24, 2023
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  2. Makefile: remove unused targets, add docs, various cleanup 

    - use JOBS on the local BPF build
- remove docs aliases
- remove image-clang-arm because the clang is multi-arch
- document options of the Makefile
- move variables set to the top of the file

Signed-off-by: Mahe Tardy <mahe.tardy@gmail.com>
    @mtardy
    mtardy committed Jul 24, 2023
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  3. Makefile: simplify Go build targets 

    Build a common GO_BUILD variable to be used by all target building Go
progs. Also add binary stripping by default as it doesn't affect late
debugging (stack traces and gops) and reduce the size of binaries:
approximately tetra 37Mo -> 25Mo and tetragon 74Mo -> 51Mo.
Use new option DEBUG=1 to remove optimizations and stripping.

Signed-off-by: Mahe Tardy <mahe.tardy@gmail.com>
    @mtardy
    mtardy committed Jul 24, 2023
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