Emit diagnostics for incorrect deployment targets

1 files changed, 9 insertions, 0 deletions

diff --git a/compiler/rustc_codegen_ssa/src/errors.rs b/compiler/rustc_codegen_ssa/src/errors.rs
index d67cf0e3a6d..cf8d1cfa0d1 100644
--- a/compiler/rustc_codegen_ssa/src/errors.rs
+++ b/compiler/rustc_codegen_ssa/src/errors.rs
@@ -2,6 +2,7 @@
 
 use std::borrow::Cow;
 use std::io::Error;
+use std::num::ParseIntError;
 use std::path::{Path, PathBuf};
 use std::process::ExitStatus;
 
@@ -540,6 +541,14 @@ pub(crate) struct UnsupportedArch<'a> {
 }
 
 #[derive(Diagnostic)]
+pub(crate) enum AppleDeploymentTarget {
+    #[diag(codegen_ssa_apple_deployment_target_invalid)]
+    Invalid { env_var: &'static str, error: ParseIntError },
+    #[diag(codegen_ssa_apple_deployment_target_too_low)]
+    TooLow { env_var: &'static str, version: String, os_min: String },
+}
+
+#[derive(Diagnostic)]
 pub(crate) enum AppleSdkRootError<'a> {
     #[diag(codegen_ssa_apple_sdk_error_sdk_path)]
     SdkPath { sdk_name: &'a str, error: Error },