build: support clang tidy #1118
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Add the following clang packages to install_clang function:
- clangd-17
- lldb-17
- clang-tools-17
- cland-tidy-17
Add make targets:
- compile_commands.json: create the compile commands database needed for
both clang-tidy and clangd. Include absl which
otherwise was unreachable for clangd.
- tidy: Use run-clang-tidy-17 to run clang-tidy in parallel. It is still
very slow.
- tidy-fix: Run clang tidy and fix errors. Use with caution, as the fixes
do not always compile.
Add query option --incompatible_merge_fixed_and_default_shell_env to
.bazelrc so that query does not trigger re-download of envoy
dependency. This same option is set on 'build' in 'envoy.bazelrc'.
Signed-off-by: Jarno Rajahalme <[email protected]>
Now that we have new targets 'tidy' and 'tidy-fix', rename the old clang-format targets 'check' and 'fix' as 'format' and 'format-fix', respectively. Signed-off-by: Jarno Rajahalme <[email protected]>
We do not have a policy socket options any more, but a CiliumPolicyFilterState that contains a weak reference to the policy map. Rename 'policy_socket_option' as 'policy_ref' to make this a bit clearer. Signed-off-by: Jarno Rajahalme <[email protected]>
Signed-off-by: Jarno Rajahalme <[email protected]>
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Add new clang-tidy make targets
tidyandtidy-fix. Rename existing clang-format targets fromcheckandfixtoformatandformat-fix, respectively.Bazel build options are passed into
gen_compilation_database.pyso that the analysis cache is not invalidated betweenmake tidyandmake teststargets, for example..clang-tidyis copied from upstream Envoy, with addition ofmisc-include-cleanerIgnoreHeadersoptions adapted from.clangd.By default
make tidywill tidy up all sources intestsandciliumdirectories, which takes a long time. Defining the variableTIDY_SOURCEScan be used to specify a subset, e.g.,:Please note that
make tidy-fixis prone to producing duplicated includes and non-compiling code, so all edits made with it must be manually inspected.For the tidy targets to work, the host must have the package
clang-tidy-17installed.