ninjabackend: add support for "ninja clippy"

Add a target that builds all crates that could be extern to others,
and then reruns clippy.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

2 files changed, 6 insertions, 1 deletions

diff --git a/docs/markdown/snippets/clippy.md b/docs/markdown/snippets/clippy.md
new file mode 100644
index 0000000..14bcc77
--- /dev/null
+++ b/docs/markdown/snippets/clippy.md
@@ -0,0 +1,5 @@
+## Meson can run "clippy" on Rust projects
+
+Meson now defines a `clippy` target if the project uses the Rust programming
+language.  The target runs clippy on all Rust sources, using the `clippy-driver`
+program from the same Rust toolchain as the `rustc` compiler.
diff --git a/docs/markdown/snippets/num-processes.md b/docs/markdown/snippets/num-processes.md
index c484d93..5336377 100644
--- a/docs/markdown/snippets/num-processes.md
+++ b/docs/markdown/snippets/num-processes.md
@@ -5,4 +5,4 @@ the amount of parallel jobs to run; this was useful when `meson test` is
 invoked through `ninja test` for example.  With this version, a new variable
 `MESON_NUM_PROCESSES` is supported with a broader scope: in addition to
 `meson test`, it is also used by the `external_project` module and by
-Ninja targets that invoke `clang-tidy` and `clang-format`.
+Ninja targets that invoke `clang-tidy`, `clang-format` and `clippy`.