cmake: Rebasing #225 for ProcDump 3.4.0. #266
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Signed-off-by: Julio Faracco <[email protected]>
- The local cmake/FindBpf.cmake module is used to discover an installed libbpf, unless the PROCDUMP_DISABLE_SYSTEM_LIBBPF option is enabled - If system libbpf is disabled or not found, ExternalProject_Add is used to retrieve libbpf sources, build, (NEW: and install into PROJECT_BUILD_DIR/libbpf) - `LANGUAGES C CXX` added to project() command (aids CMake discovery of parameters like correct library dir name) - `GNUInstallDirs` CMake module loaded, defines CMAKE_INCLUDE_DIR and CMAKE_LIBRARY_DIR correctly relative to install prefix Signed-off-by: Julio Faracco <[email protected]>
The repo's CMake Find module for Bpf includes the ability to discover the location of the `bpftool` executable and provide an executable target representing its location. Use that in commands to generate the various procdump_ebpf files. Also, split out the steps to generate files using bpftool into separate add_custom_command() invocations, so that dependencies between files are tracked and each output file will be automatically tagged as `GENERATED` by CMake (and deleted by the 'clean' target). Signed-off-by: Julio Faracco <[email protected]>
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@kloczek do you have any suggestion about this PR? Feel free to do it. We can enhance the changes if necessary. |
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This Pull Request is just a rebase on top of release 3.4.0.
For further reference of what this PR does, see the original #225.
If the original owner of the patch set retake the ownership of the changes, anyone can close this PR.
I kept the original owner of the patches/commits that apply cleanly.