Merge remote-tracking branch 'upstream/master' into gcc-8

pkgs/development/compilers/llvm/5/clang/default.nix

@@ -8,8 +8,10 @@ let
   self = stdenv.mkDerivation ({
     name = "clang-${version}";
 
+    src = fetch "cfe" "0018520c4qxf5hgjdqgpz2dgl3faf4gsz87fdlb8zdmx99rfk77s";
+
     unpackPhase = ''
-      unpackFile ${fetch "cfe" "0018520c4qxf5hgjdqgpz2dgl3faf4gsz87fdlb8zdmx99rfk77s"}
+      unpackFile $src
       mv cfe-${version}* clang
       sourceRoot=$PWD/clang
       unpackFile ${clang-tools-extra_src}

pkgs/development/compilers/llvm/5/lldb.nix

@@ -31,7 +31,7 @@ stdenv.mkDerivation {
 
   nativeBuildInputs = [ cmake python which swig ];
   buildInputs = [ ncurses zlib libedit libxml2 llvm ]
-    ++ stdenv.lib.optionals stdenv.isDarwin [ darwin.libobjc darwin.apple_sdk.libs.xpc darwin.apple_sdk.frameworks.Foundation darwin.bootstrap_cmds darwin.apple_sdk.frameworks.Carbon darwin.apple_sdk.frameworks.Cocoa darwin.cf-private ];
+    ++ stdenv.lib.optionals stdenv.isDarwin [ darwin.libobjc darwin.apple_sdk.libs.xpc darwin.apple_sdk.frameworks.Foundation darwin.bootstrap_cmds darwin.apple_sdk.frameworks.Carbon darwin.apple_sdk.frameworks.Cocoa ];
 
   CXXFLAGS = "-fno-rtti";
   hardeningDisable = [ "format" ];

pkgs/development/compilers/llvm/5/llvm.nix

@@ -10,15 +10,12 @@
 , version
 , release_version
 , zlib
-, libcxxabi
 , debugVersion ? false
 , enableManpages ? false
 , enableSharedLibraries ? !enableManpages
 }:
 
 let
-  src = fetch "llvm" "0g1bbj2n6xv4p1n6hh17vj3vpvg56wacipc81dgwga9mg2lys8nm";
-
   # Used when creating a versioned symlinks of libLLVM.dylib
   versionSuffixes = with stdenv.lib;
     let parts = splitString "." release_version; in
@@ -28,8 +25,10 @@ in
 stdenv.mkDerivation (rec {
   name = "llvm-${version}";
 
+  src = fetch "llvm" "0g1bbj2n6xv4p1n6hh17vj3vpvg56wacipc81dgwga9mg2lys8nm";
+
   unpackPhase = ''
-    unpackFile ${src}
+    unpackFile $src
     mv llvm-${version}* llvm
     sourceRoot=$PWD/llvm
   '';
@@ -141,8 +140,6 @@ stdenv.mkDerivation (rec {
 
   enableParallelBuilding = true;
 
-  passthru.src = src;
-
   requiredSystemFeatures = [ "big-parallel" ];
   meta = {
     description = "Collection of modular and reusable compiler and toolchain technologies";