Rollup merge of #93901 - petrochenkov:linkmod, r=wesleywiser

Stabilize native library modifier syntax and the `whole-archive` modifier specifically

Stabilization report: https://github.com/rust-lang/rust/pull/93901#issuecomment-1041325522

cc https://github.com/rust-lang/rust/issues/81490

1 files changed, 20 insertions, 0 deletions

diff --git a/compiler/rustc_session/src/utils.rs b/compiler/rustc_session/src/utils.rs
index a33f94013d2..6a8775bd10b 100644
--- a/compiler/rustc_session/src/utils.rs
+++ b/compiler/rustc_session/src/utils.rs
@@ -43,6 +43,20 @@ pub enum NativeLibKind {
     Unspecified,
 }
 
+impl NativeLibKind {
+    pub fn has_modifiers(&self) -> bool {
+        match self {
+            NativeLibKind::Static { bundle, whole_archive } => {
+                bundle.is_some() || whole_archive.is_some()
+            }
+            NativeLibKind::Dylib { as_needed } | NativeLibKind::Framework { as_needed } => {
+                as_needed.is_some()
+            }
+            NativeLibKind::RawDylib | NativeLibKind::Unspecified => false,
+        }
+    }
+}
+
 rustc_data_structures::impl_stable_hash_via_hash!(NativeLibKind);
 
 #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash, Encodable, Decodable)]
@@ -53,6 +67,12 @@ pub struct NativeLib {
     pub verbatim: Option<bool>,
 }
 
+impl NativeLib {
+    pub fn has_modifiers(&self) -> bool {
+        self.verbatim.is_some() || self.kind.has_modifiers()
+    }
+}
+
 rustc_data_structures::impl_stable_hash_via_hash!(NativeLib);
 
 /// A path that has been canonicalized along with its original, non-canonicalized form