use cfg_aliases::cfg_aliases;
pub fn main() {
println!("cargo:rerun-if-changed=build.rs");
#[cfg(feature = "metrics")]
println!("cargo:warning=The `metrics` feature is deprecated and will be removed in the next version. Please use `metrics-0_21` instead.");
#[cfg(feature = "opentelemetry")]
println!("cargo:warning=The `opentelemetry` feature is deprecated and will be removed in the next version. Please use `opentelemetry-0_24` instead.");
#[cfg(feature = "prometheus")]
println!("cargo:warning=The `prometheus` feature is deprecated and will be removed in the next version. Please use `prometheus-0_13` instead.");
#[cfg(feature = "prometheus-client")]
println!("cargo:warning=The `prometheus-client` feature is deprecated and will be removed in the next version. Please use `prometheus-client-0_22` instead.");
#[cfg(feature = "exemplars-tracing-opentelemetry")]
println!("cargo:warning=The `exemplars-tracing-opentelemetry` feature is deprecated and will be removed in the next version. Please use `exemplars-tracing-opentelemetry-0_25` instead.");
cfg_aliases! {
metrics: { any(feature = "metrics", feature = "metrics-0_21") },
opentelemetry: { any(feature = "opentelemetry", feature = "opentelemetry-0_24") },
prometheus: { any(feature = "prometheus", feature = "prometheus-0_13") },
prometheus_client_feature: { any(feature = "prometheus-client", feature = "prometheus-client-0_22") },
default_backend: { all(
prometheus_exporter,
not(any(metrics, opentelemetry, prometheus, prometheus_client_feature))
) },
prometheus_client: { any(prometheus_client_feature, default_backend) },
prometheus_exporter: { feature = "prometheus-exporter" },
exemplars: { any(exemplars_tracing, exemplars_tracing_opentelemetry) },
exemplars_tracing: { feature = "exemplars-tracing" },
exemplars_tracing_opentelemetry: { any(feature = "exemplars-tracing-opentelemetry-0_25", feature = "exemplars-tracing-opentelemetry") },
custom_objective_percentile: { feature = "custom-objective-percentile" },
custom_objective_latency: { feature = "custom-objective-latency" },
}
}