1 files changed, 5 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/11/compiler-rt/default.nix b/nixpkgs/pkgs/development/compilers/llvm/11/compiler-rt/default.nix
index 65b024e8cc32..e5b79692ae24 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/11/compiler-rt/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/11/compiler-rt/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, llvm, libcxxabi }:
+{ lib, stdenv, llvm_meta, version, fetch, cmake, python3, libllvm, libcxxabi }:
 
 let
 
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   inherit version;
   src = fetch "compiler-rt" "0x1j8ngf1zj63wlnns9vlibafq48qcm72p4jpaxkmkb4qw0grwfy";
 
-  nativeBuildInputs = [ cmake python3 llvm.dev ];
+  nativeBuildInputs = [ cmake python3 libllvm.dev ];
 
   NIX_CFLAGS_COMPILE = [
     "-DSCUDO_DEFAULT_OPTIONS=DeleteSizeMismatch=0:DeallocationTypeMismatch=0"
@@ -112,5 +112,8 @@ 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 ];
+    # compiler-rt requires a Clang stdenv on 32-bit RISC-V:
+    # https://reviews.llvm.org/D43106#1019077
+    broken = stdenv.hostPlatform.isRiscV && stdenv.hostPlatform.is32bit && !stdenv.cc.isClang;
   };
 }