1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/development/compilers/llvm/9/compiler-rt/default.nix b/pkgs/development/compilers/llvm/9/compiler-rt/default.nix
index d03fcbc7f7084..4dddbc67d7cb4 100644
--- a/pkgs/development/compilers/llvm/9/compiler-rt/default.nix
+++ b/pkgs/development/compilers/llvm/9/compiler-rt/default.nix
@@ -115,6 +115,9 @@ stdenv.mkDerivation {
     # "All of the code in the compiler-rt project is dual licensed under the MIT
     # license and the UIUC License (a BSD-like license)":
     license = with lib.licenses; [ mit ncsa ];
-    broken = stdenv.hostPlatform.isDarwin && stdenv.hostPlatform.isAarch64;
+    broken = stdenv.hostPlatform.system == "aarch64-darwin"
+      # compiler-rt requires a Clang stdenv on 32-bit RISC-V:
+      # https://reviews.llvm.org/D43106#1019077
+      || (stdenv.hostPlatform.isRiscV32 && !stdenv.cc.isClang);
   };
 }