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10 changes: 9 additions & 1 deletion crates/wdk-build/src/lib.rs
Original file line number Diff line number Diff line change
Expand Up @@ -301,7 +301,15 @@ impl Config {
})
}

fn emit_check_cfg_settings() {
/// Emit `cargo::rustc-check-cfg` directives corresponding to all the
/// possible `rustc-cfg` settings `wdk_build` could emit
///
/// This is useful in situations where a library may not have a valid WDK
/// config available during build. This function is not needed if the build
/// was already configured via [`configure_wdk_binary_build`],
/// [`configure_wdk_library_build`], or
/// [`configure_wdk_library_build_and_then`]
pub fn emit_check_cfg_settings() {
for (cfg_key, allowed_values) in EXPORTED_CFG_SETTINGS.iter() {
let allowed_cfg_value_string =
allowed_values.iter().fold(String::new(), |mut acc, value| {
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