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-rw-r--r--src/bootstrap/download-ci-llvm-stamp2
-rw-r--r--src/bootstrap/llvm.rs7
2 files changed, 8 insertions, 1 deletions
diff --git a/src/bootstrap/download-ci-llvm-stamp b/src/bootstrap/download-ci-llvm-stamp
index 120b3c9c4d2..ffc38057900 100644
--- a/src/bootstrap/download-ci-llvm-stamp
+++ b/src/bootstrap/download-ci-llvm-stamp
@@ -1,4 +1,4 @@
 Change this file to make users of the `download-ci-llvm` configuration download
 a new version of LLVM from CI, even if the LLVM submodule hasn’t changed.
 
-Last change is for: https://github.com/rust-lang/rust/pull/112931
+Last change is for: https://github.com/rust-lang/rust/pull/113996
diff --git a/src/bootstrap/llvm.rs b/src/bootstrap/llvm.rs
index 07719a71178..02fef4b3e83 100644
--- a/src/bootstrap/llvm.rs
+++ b/src/bootstrap/llvm.rs
@@ -559,6 +559,8 @@ fn configure_cmake(
 
         if target.contains("netbsd") {
             cfg.define("CMAKE_SYSTEM_NAME", "NetBSD");
+        } else if target.contains("dragonfly") {
+            cfg.define("CMAKE_SYSTEM_NAME", "DragonFly");
         } else if target.contains("freebsd") {
             cfg.define("CMAKE_SYSTEM_NAME", "FreeBSD");
         } else if target.contains("windows") {
@@ -569,7 +571,12 @@ fn configure_cmake(
             cfg.define("CMAKE_SYSTEM_NAME", "SunOS");
         } else if target.contains("linux") {
             cfg.define("CMAKE_SYSTEM_NAME", "Linux");
+        } else {
+            builder.info(
+                "could not determine CMAKE_SYSTEM_NAME from the target `{target}`, build may fail",
+            );
         }
+
         // When cross-compiling we should also set CMAKE_SYSTEM_VERSION, but in
         // that case like CMake we cannot easily determine system version either.
         //