chore: feature-gate clap on the compatibility layers

crates/criterion_compat/Cargo.toml

@@ -20,7 +20,9 @@ keywords = ["codspeed", "benchmark", "criterion"]
 criterion = { package = "codspeed-criterion-compat-walltime", path = "./criterion_fork", version = "=5.0.1", default-features = false }
 codspeed = { path = "../codspeed", version = "=5.0.1" }
 colored = "3.0.0"
-clap = { version = "4", default-features = false, features = ["std"] }
+clap = { version = "4", default-features = false, features = [
+    "std",
+], optional = true }
 regex = { version = "1.5", default-features = false, features = ["std"] }
 
 futures = { version = "0.3", default-features = false, optional = true }
@@ -31,7 +33,9 @@ tokio = { version = "1.39", default-features = false, features = [
 async-std = { version = "1.12", optional = true }
 
 [features]
-default = ["rayon", "plotters", "cargo_bench_support"]
+default = ["cli", "rayon", "plotters", "cargo_bench_support"]
+# Benchmark filtering from CLI arguments, which requires `clap`.
+cli = ["dep:clap"]
 # Criterion.rs features
 async = ["futures", "criterion/async"]
 async_futures = ["criterion/async_futures", "futures/executor", "async"]

crates/criterion_compat/src/compat/criterion.rs

@@ -6,6 +6,7 @@ use criterion::{
     profiler::Profiler,
     PlottingBackend,
 };
+#[cfg(feature = "cli")]
 use regex::Regex;
 
 use crate::{Bencher, BenchmarkFilter, BenchmarkGroup, BenchmarkId};
@@ -26,7 +27,6 @@ impl Criterion {
             env!("CARGO_PKG_VERSION"),
         );
 
-        // Parse CLI arguments to extract filter
         let filter = Self::parse_filter();
 
         Criterion {
@@ -38,6 +38,12 @@ impl Criterion {
         }
     }
 
+    #[cfg(not(feature = "cli"))]
+    fn parse_filter() -> BenchmarkFilter {
+        BenchmarkFilter::AcceptAll
+    }
+
+    #[cfg(feature = "cli")]
     fn parse_filter() -> BenchmarkFilter {
         use clap::{Arg, Command};
 

crates/divan_compat/Cargo.toml

@@ -21,8 +21,16 @@ keywords = ["codspeed", "benchmark", "divan"]
 codspeed = { path = "../codspeed", version = "=5.0.1" }
 divan = { package = "codspeed-divan-compat-walltime", path = "./divan_fork", version = "=5.0.1" }
 codspeed-divan-compat-macros = { version = "=5.0.1", path = './macros' }
-regex = "1.11.3"
-clap = { version = "4", default-features = false, features = ["std", "env"] }
+regex = { version = "1.11.3", optional = true }
+clap = { version = "4", default-features = false, features = [
+    "std",
+    "env",
+], optional = true }
+
+[features]
+default = ["cli"]
+# Benchmark filtering from CLI arguments, which requires `clap`.
+cli = ["dep:clap", "dep:regex"]
 
 [[bench]]
 name = "basic_example"

crates/divan_compat/src/compat/mod.rs

@@ -13,7 +13,9 @@ pub mod __private {
 }
 
 mod bench;
+#[cfg(feature = "cli")]
 mod cli;
+#[cfg(feature = "cli")]
 mod config;
 mod entry;
 mod uri;
@@ -156,8 +158,10 @@ pub mod counter {
     }
 }
 use codspeed::codspeed::CodSpeed;
+#[cfg(feature = "cli")]
 use config::Filter;
 use entry::AnyBenchEntry;
+#[cfg(feature = "cli")]
 use regex::Regex;
 use std::{cell::RefCell, rc::Rc};
 
@@ -184,6 +188,7 @@ pub fn main() {
     // codspeed URI from entry metadata directly.
 
     // 3. Filtering
+    #[cfg(feature = "cli")]
     let should_run_benchmark_from_filters = {
         let mut command = cli::command();
         let matches = command.get_matches_mut();
@@ -215,6 +220,8 @@ pub fn main() {
             }
         }
     };
+    #[cfg(not(feature = "cli"))]
+    let should_run_benchmark_from_filters = |_uri: &str| true;
 
     // 4. Scan the tree and execute benchmarks
     let codspeed = Rc::new(RefCell::new(CodSpeed::new()));