1 files changed, 8 insertions, 10 deletions
diff --git a/nixpkgs/pkgs/development/compilers/llvm/11/libc++/default.nix b/nixpkgs/pkgs/development/compilers/llvm/11/libc++/default.nix
index 5c3ec87617c9..7a34977afe24 100644
--- a/nixpkgs/pkgs/development/compilers/llvm/11/libc++/default.nix
+++ b/nixpkgs/pkgs/development/compilers/llvm/11/libc++/default.nix
@@ -6,7 +6,7 @@ stdenv.mkDerivation {
   pname = "libc++";
   inherit version;
 
-  src = fetch "libcxx" "0ylbkcd38zrrz9xmkq9na3d9s8d96hc286dwfwd73wi205lyc7kc";
+  src = fetch "libcxx" "0gaybwkn76vhakvipxslp7pmv2wm7agxkqwk5f5aizhzc9lzdmcz";
 
   postUnpack = ''
     unpackFile ${libcxxabi.src}
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
     mv llvm-* llvm
   '';
 
-  patches = stdenv.lib.optional stdenv.hostPlatform.isMusl ../../libcxx-0001-musl-hacks.patch;
+  patches = lib.optional stdenv.hostPlatform.isMusl ../../libcxx-0001-musl-hacks.patch;
 
   preConfigure = lib.optionalString stdenv.hostPlatform.isMusl ''
     patchShebangs utils/cat_files.py
@@ -28,15 +28,13 @@ stdenv.mkDerivation {
 
   cmakeFlags = [
     "-DLIBCXX_CXX_ABI=libcxxabi"
-  ] ++ stdenv.lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
-    ++ stdenv.lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
-    ++ stdenv.lib.optional stdenv.hostPlatform.isWasm [
+  ] ++ lib.optional (stdenv.hostPlatform.isMusl || stdenv.hostPlatform.isWasi) "-DLIBCXX_HAS_MUSL_LIBC=1"
+    ++ lib.optional (stdenv.hostPlatform.useLLVM or false) "-DLIBCXX_USE_COMPILER_RT=ON"
+    ++ lib.optional stdenv.hostPlatform.isWasm [
       "-DLIBCXX_ENABLE_THREADS=OFF"
       "-DLIBCXX_ENABLE_FILESYSTEM=OFF"
       "-DLIBCXX_ENABLE_EXCEPTIONS=OFF"
-    ] ++ stdenv.lib.optional (!enableShared) "-DLIBCXX_ENABLE_SHARED=OFF";
-
-  enableParallelBuilding = true;
+    ] ++ lib.optional (!enableShared) "-DLIBCXX_ENABLE_SHARED=OFF";
 
   passthru = {
     isLLVM = true;
@@ -45,7 +43,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = "https://libcxx.llvm.org/";
     description = "A new implementation of the C++ standard library, targeting C++11";
-    license = with stdenv.lib.licenses; [ ncsa mit ];
-    platforms = stdenv.lib.platforms.all;
+    license = with lib.licenses; [ ncsa mit ];
+    platforms = lib.platforms.all;
   };
 }