2 files changed, 2 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/6/compiler-rt.nix b/nixpkgs/pkgs/development/compilers/llvm/6/compiler-rt.nix
index 6e47ffe8acaf..11d46289afe8 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/6/compiler-rt.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/6/compiler-rt.nix
@@ -45,7 +45,7 @@ stdenv.mkDerivation {
     # The compiler-rt build infrastructure sniffs supported platforms on Darwin
     # and finds i386;x86_64;x86_64h. We only build for x86_64, so linking fails
     # when it tries to use libc++ and libc++api for i386.
-    "-DDARWIN_osx_ARCHS=${stdenv.hostPlatform.parsed.cpu.name}"
+    "-DDARWIN_osx_ARCHS=${stdenv.hostPlatform.darwinArch}"
   ];
 
   outputs = [ "out" "dev" ];
diff --git a/nixpkgs/pkgs/development/compilers/llvm/6/default.nix b/nixpkgs/pkgs/development/compilers/llvm/6/default.nix
index a98314d1181f..fe6984ee58bd 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/6/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/6/default.nix
@@ -36,6 +36,7 @@ let
 
     llvm-manpages = lowPrio (tools.llvm.override {
       enableManpages = true;
+      enableSharedLibraries = false;
       python3 = pkgs.python3;  # don't use python-boot
     });