diff --git a/pkgs/build-support/cc-wrapper/default.nix b/pkgs/build-support/cc-wrapper/default.nix
index cf2d38cd9978..a630691bd03a 100644
--- a/pkgs/build-support/cc-wrapper/default.nix
+++ b/pkgs/build-support/cc-wrapper/default.nix
@@ -35,8 +35,8 @@ let
   targetPrefix = stdenv.lib.optionalString (targetPlatform != hostPlatform)
                                            (targetPlatform.config + "-");
 
-  ccVersion = (builtins.parseDrvName cc.name).version;
-  ccName = (builtins.parseDrvName cc.name).name;
+  ccVersion = if cc == null then null else stdenv.lib.getVersion cc;
+  ccName = cc.pname or (builtins.parseDrvName cc.name).name;
 
   libc_bin = if libc == null then null else getBin libc;
   libc_dev = if libc == null then null else getDev libc;
@@ -96,6 +96,7 @@ stdenv.mkDerivation {
   name = targetPrefix
     + (if name != "" then name else stdenv.lib.removePrefix targetPrefix "${ccName}-wrapper")
     + (stdenv.lib.optionalString (cc != null && ccVersion != "") "-${ccVersion}");
+  version = ccVersion;
 
   preferLocalBuild = true;
 
diff --git a/pkgs/development/compilers/gcc/4.8/default.nix b/pkgs/development/compilers/gcc/4.8/default.nix
index eee2c1a97a8c..f2874d8e79ac 100644
--- a/pkgs/development/compilers/gcc/4.8/default.nix
+++ b/pkgs/development/compilers/gcc/4.8/default.nix
@@ -101,8 +101,8 @@ let majorVersion = "4";
 
     /* Cross-gcc settings (build == host != target) */
     crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
-    stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
-    crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
+    stageNameAddon = if crossStageStatic then "stage-static" else "stage-final";
+    crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-";
 
 in
 
@@ -110,7 +110,8 @@ in
 assert x11Support -> (filter (x: x == null) ([ gtk2 libart_lgpl ] ++ xlibs)) == [];
 
 stdenv.mkDerivation ({
-  name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
+  pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}";
+  inherit version;
 
   builder = ../builder.sh;
 
diff --git a/pkgs/development/compilers/gcc/4.9/default.nix b/pkgs/development/compilers/gcc/4.9/default.nix
index b4ac68be1a33..d887b47db343 100644
--- a/pkgs/development/compilers/gcc/4.9/default.nix
+++ b/pkgs/development/compilers/gcc/4.9/default.nix
@@ -106,8 +106,8 @@ let majorVersion = "4";
 
     /* Cross-gcc settings (build == host != target) */
     crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
-    stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
-    crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
+    stageNameAddon = if crossStageStatic then "stage-static" else "stage-final";
+    crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-";
 
 in
 
@@ -115,7 +115,8 @@ in
 assert x11Support -> (filter (x: x == null) ([ gtk2 libart_lgpl ] ++ xlibs)) == [];
 
 stdenv.mkDerivation ({
-  name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
+  pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}";
+  inherit version;
 
   builder = ../builder.sh;
 
diff --git a/pkgs/development/compilers/gcc/5/default.nix b/pkgs/development/compilers/gcc/5/default.nix
index cb327864f6e4..ddd95a5cb8c2 100644
--- a/pkgs/development/compilers/gcc/5/default.nix
+++ b/pkgs/development/compilers/gcc/5/default.nix
@@ -97,8 +97,8 @@ let majorVersion = "5";
 
     /* Cross-gcc settings (build == host != target) */
     crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
-    stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
-    crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
+    stageNameAddon = if crossStageStatic then "stage-static" else "stage-final";
+    crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-";
 
 in
 
@@ -106,7 +106,8 @@ in
 assert x11Support -> (filter (x: x == null) ([ gtk2 libart_lgpl ] ++ xlibs)) == [];
 
 stdenv.mkDerivation ({
-  name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
+  pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}";
+  inherit version;
 
   builder = ../builder.sh;
 
diff --git a/pkgs/development/compilers/gcc/6/default.nix b/pkgs/development/compilers/gcc/6/default.nix
index 2cecc5bbaa05..48aa36bc923b 100644
--- a/pkgs/development/compilers/gcc/6/default.nix
+++ b/pkgs/development/compilers/gcc/6/default.nix
@@ -93,8 +93,8 @@ let majorVersion = "6";
 
     /* Cross-gcc settings (build == host != target) */
     crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
-    stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
-    crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
+    stageNameAddon = if crossStageStatic then "stage-static" else "stage-final";
+    crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-";
 
 in
 
@@ -102,7 +102,8 @@ in
 assert x11Support -> (filter (x: x == null) ([ gtk2 libart_lgpl ] ++ xlibs)) == [];
 
 stdenv.mkDerivation ({
-  name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
+  pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}";
+  inherit version;
 
   builder = ../builder.sh;
 
diff --git a/pkgs/development/compilers/gcc/7/default.nix b/pkgs/development/compilers/gcc/7/default.nix
index c1592dbcb9b0..d371b7252ddc 100644
--- a/pkgs/development/compilers/gcc/7/default.nix
+++ b/pkgs/development/compilers/gcc/7/default.nix
@@ -71,13 +71,14 @@ let majorVersion = "7";
 
     /* Cross-gcc settings (build == host != target) */
     crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
-    stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
-    crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
+    stageNameAddon = if crossStageStatic then "stage-static" else "stage-final";
+    crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-";
 
 in
 
 stdenv.mkDerivation ({
-  name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
+  pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}";
+  inherit version;
 
   builder = ../builder.sh;
 
diff --git a/pkgs/development/compilers/gcc/8/default.nix b/pkgs/development/compilers/gcc/8/default.nix
index 7288bebff9d9..b81e1c4b1d9b 100644
--- a/pkgs/development/compilers/gcc/8/default.nix
+++ b/pkgs/development/compilers/gcc/8/default.nix
@@ -63,13 +63,14 @@ let majorVersion = "8";
 
     /* Cross-gcc settings (build == host != target) */
     crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
-    stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
-    crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
+    stageNameAddon = if crossStageStatic then "stage-static" else "stage-final";
+    crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-";
 
 in
 
 stdenv.mkDerivation ({
-  name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
+  pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}";
+  inherit version;
 
   builder = ../builder.sh;
 
diff --git a/pkgs/development/compilers/gcc/9/default.nix b/pkgs/development/compilers/gcc/9/default.nix
index a172be2aa163..e7c9e94747db 100644
--- a/pkgs/development/compilers/gcc/9/default.nix
+++ b/pkgs/development/compilers/gcc/9/default.nix
@@ -62,13 +62,14 @@ let majorVersion = "9";
 
     /* Cross-gcc settings (build == host != target) */
     crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
-    stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
-    crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
+    stageNameAddon = if crossStageStatic then "stage-static" else "stage-final";
+    crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-";
 
 in
 
 stdenv.mkDerivation ({
-  name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
+  pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}";
+  inherit version;
 
   builder = ../builder.sh;
 
diff --git a/pkgs/development/compilers/gcc/snapshot/default.nix b/pkgs/development/compilers/gcc/snapshot/default.nix
index 0519f04629ea..7e4afa169a0d 100644
--- a/pkgs/development/compilers/gcc/snapshot/default.nix
+++ b/pkgs/development/compilers/gcc/snapshot/default.nix
@@ -59,13 +59,14 @@ let majorVersion = "7";
 
     /* Cross-gcc settings (build == host != target) */
     crossMingw = targetPlatform != hostPlatform && targetPlatform.libc == "msvcrt";
-    stageNameAddon = if crossStageStatic then "-stage-static" else "-stage-final";
-    crossNameAddon = if targetPlatform != hostPlatform then "-${targetPlatform.config}" + stageNameAddon else "";
+    stageNameAddon = if crossStageStatic then "stage-static" else "stage-final";
+    crossNameAddon = optionalString (targetPlatform != hostPlatform) "${targetPlatform.config}-${stageNameAddon}-";
 
 in
 
 stdenv.mkDerivation ({
-  name = crossNameAddon + "${name}${if stripped then "" else "-debug"}-${version}";
+  pname = "${crossNameAddon}${name}${if stripped then "" else "-debug"}";
+  inherit version;
 
   builder = ../builder.sh;
 
diff --git a/pkgs/development/compilers/llvm/4/clang/default.nix b/pkgs/development/compilers/llvm/4/clang/default.nix
index f50da39a6249..6b67e2cc8561 100644
--- a/pkgs/development/compilers/llvm/4/clang/default.nix
+++ b/pkgs/development/compilers/llvm/4/clang/default.nix
@@ -6,7 +6,8 @@
 let
   gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
   self = stdenv.mkDerivation ({
-    name = "clang-${version}";
+    pname = "clang";
+    inherit version;
 
     src = fetch "cfe" "16vnv3msnvx33dydd17k2cq0icndi1a06bg5vcxkrhjjb1rqlwv1";
 
@@ -91,7 +92,7 @@ let
       platforms   = stdenv.lib.platforms.all;
     };
   } // stdenv.lib.optionalAttrs enableManpages {
-    name = "clang-manpages-${version}";
+    pname = "clang-manpages";
 
     buildPhase = ''
       make docs-clang-man
diff --git a/pkgs/development/compilers/llvm/4/llvm.nix b/pkgs/development/compilers/llvm/4/llvm.nix
index 7e8559953524..ed80bc100674 100644
--- a/pkgs/development/compilers/llvm/4/llvm.nix
+++ b/pkgs/development/compilers/llvm/4/llvm.nix
@@ -24,7 +24,8 @@ let
 in
 
 stdenv.mkDerivation ({
-  name = "llvm-${version}";
+  pname = "llvm";
+  inherit version;
 
   src = fetch "llvm" "0l9bf7kdwhlj0kq1hawpyxhna1062z3h7qcz2y8nfl9dz2qksy6s";
 
@@ -166,7 +167,7 @@ stdenv.mkDerivation ({
     platforms   = stdenv.lib.platforms.all;
   };
 } // stdenv.lib.optionalAttrs enableManpages {
-  name = "llvm-manpages-${version}";
+  pname = "llvm-manpages";
 
   buildPhase = ''
     make docs-llvm-man
diff --git a/pkgs/development/compilers/llvm/5/clang/default.nix b/pkgs/development/compilers/llvm/5/clang/default.nix
index 7a3b151f8358..6695609b8ecd 100644
--- a/pkgs/development/compilers/llvm/5/clang/default.nix
+++ b/pkgs/development/compilers/llvm/5/clang/default.nix
@@ -6,7 +6,8 @@
 let
   gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
   self = stdenv.mkDerivation ({
-    name = "clang-${version}";
+    pname = "clang";
+    inherit version;
 
     src = fetch "cfe" "0018520c4qxf5hgjdqgpz2dgl3faf4gsz87fdlb8zdmx99rfk77s";
 
@@ -87,7 +88,7 @@ let
       platforms   = stdenv.lib.platforms.all;
     };
   } // stdenv.lib.optionalAttrs enableManpages {
-    name = "clang-manpages-${version}";
+    pname = "clang-manpages";
 
     buildPhase = ''
       make docs-clang-man
diff --git a/pkgs/development/compilers/llvm/5/llvm.nix b/pkgs/development/compilers/llvm/5/llvm.nix
index 02db395db571..3e926d8e532b 100644
--- a/pkgs/development/compilers/llvm/5/llvm.nix
+++ b/pkgs/development/compilers/llvm/5/llvm.nix
@@ -23,7 +23,8 @@ let
 in
 
 stdenv.mkDerivation ({
-  name = "llvm-${version}";
+  pname = "llvm";
+  inherit version;
 
   src = fetch "llvm" "0g1bbj2n6xv4p1n6hh17vj3vpvg56wacipc81dgwga9mg2lys8nm";
 
@@ -149,7 +150,7 @@ stdenv.mkDerivation ({
     platforms   = stdenv.lib.platforms.all;
   };
 } // stdenv.lib.optionalAttrs enableManpages {
-  name = "llvm-manpages-${version}";
+  pname = "llvm-manpages";
 
   buildPhase = ''
     make docs-llvm-man
diff --git a/pkgs/development/compilers/llvm/6/clang/default.nix b/pkgs/development/compilers/llvm/6/clang/default.nix
index ff9064f455ec..d093379b3c99 100644
--- a/pkgs/development/compilers/llvm/6/clang/default.nix
+++ b/pkgs/development/compilers/llvm/6/clang/default.nix
@@ -6,7 +6,8 @@
 let
   gcc = if stdenv.cc.isGNU then stdenv.cc.cc else stdenv.cc.cc.gcc;
   self = stdenv.mkDerivation ({
-    name = "clang-${version}";
+    pname = "clang";
+    inherit version;
 
     src = fetch "cfe" "0rxn4rh7rrnsqbdgp4gzc8ishbkryhpl1kd3mpnxzpxxhla3y93w";
 
@@ -87,7 +88,7 @@ let
       platforms   = stdenv.lib.platforms.all;
     };
   } // stdenv.lib.optionalAttrs enableManpages {
-    name = "clang-manpages-${version}";
+    pname = "clang-manpages";
 
     buildPhase = ''
       make docs-clang-man
diff --git a/pkgs/development/compilers/llvm/6/llvm.nix b/pkgs/development/compilers/llvm/6/llvm.nix
index 2586602d7378..5ae24bf0f335 100644
--- a/pkgs/development/compilers/llvm/6/llvm.nix
+++ b/pkgs/development/compilers/llvm/6/llvm.nix
@@ -26,7 +26,8 @@ let
 in
 
 stdenv.mkDerivation ({
-  name = "llvm-${version}";
+  pname = "llvm";
+  inherit version;
 
   src = fetch "llvm" "1qpls3vk85lydi5b4axl0809fv932qgsqgdgrk098567z4jc7mmn";
 
@@ -154,7 +155,7 @@ stdenv.mkDerivation ({
     platforms   = stdenv.lib.platforms.all;
   };
 } // stdenv.lib.optionalAttrs enableManpages {
-  name = "llvm-manpages-${version}";
+  pname = "llvm-manpages";
 
   buildPhase = ''
     make docs-llvm-man
diff --git a/pkgs/development/compilers/llvm/7/clang/default.nix b/pkgs/development/compilers/llvm/7/clang/default.nix
index e49c8387f7ef..5ac9a7a2672a 100644
--- a/pkgs/development/compilers/llvm/7/clang/default.nix
+++ b/pkgs/development/compilers/llvm/7/clang/default.nix
@@ -6,7 +6,8 @@
 
 let
   self = stdenv.mkDerivation ({
-    name = "clang-${version}";
+    pname = "clang";
+    inherit version;
 
     src = fetch "cfe" "0vc4i87qwxnw9lci4ayws9spakg0z6w5w670snj9f8g5m9rc8zg9";
 
@@ -93,7 +94,7 @@ let
       platforms   = stdenv.lib.platforms.all;
     };
   } // stdenv.lib.optionalAttrs enableManpages {
-    name = "clang-manpages-${version}";
+    pname = "clang-manpages";
 
     buildPhase = ''
       make docs-clang-man
diff --git a/pkgs/development/compilers/llvm/7/llvm.nix b/pkgs/development/compilers/llvm/7/llvm.nix
index cfcda02b4131..f9443a987a23 100644
--- a/pkgs/development/compilers/llvm/7/llvm.nix
+++ b/pkgs/development/compilers/llvm/7/llvm.nix
@@ -30,7 +30,8 @@ let
     imap (i: _: concatStringsSep "." (take i parts)) parts;
 
 in stdenv.mkDerivation ({
-  name = "llvm-${version}";
+  pname = "llvm";
+  inherit version;
 
   src = fetch "llvm" "0r1p5didv4rkgxyvbkyz671xddg6i3dxvbpsi1xxipkla0l9pk0v";
   polly_src = fetch "polly" "16qkns4ab4x0azrvhy4j7cncbyb2rrbdrqj87zphvqxm5pvm8m1h";
@@ -172,7 +173,7 @@ in stdenv.mkDerivation ({
     platforms   = stdenv.lib.platforms.all;
   };
 } // stdenv.lib.optionalAttrs enableManpages {
-  name = "llvm-manpages-${version}";
+  pname = "llvm-manpages";
 
   buildPhase = ''
     make docs-llvm-man
diff --git a/pkgs/development/compilers/llvm/8/clang/default.nix b/pkgs/development/compilers/llvm/8/clang/default.nix
index 6911089250e8..8c540e45b286 100644
--- a/pkgs/development/compilers/llvm/8/clang/default.nix
+++ b/pkgs/development/compilers/llvm/8/clang/default.nix
@@ -6,7 +6,8 @@
 
 let
   self = stdenv.mkDerivation ({
-    name = "clang-${version}";
+    pname = "clang";
+    inherit version;
 
     src = fetch "cfe" "0ihnbdl058gvl2wdy45p5am55bq8ifx8m9mhcsgj9ax8yxlzvvvh";
 
@@ -105,7 +106,7 @@ let
       platforms   = stdenv.lib.platforms.all;
     };
   } // stdenv.lib.optionalAttrs enableManpages {
-    name = "clang-manpages-${version}";
+    pname = "clang-manpages";
 
     buildPhase = ''
       make docs-clang-man
diff --git a/pkgs/development/compilers/llvm/8/llvm.nix b/pkgs/development/compilers/llvm/8/llvm.nix
index 70e666ba27de..e27e47a3b228 100644
--- a/pkgs/development/compilers/llvm/8/llvm.nix
+++ b/pkgs/development/compilers/llvm/8/llvm.nix
@@ -28,7 +28,8 @@ let
     concatStringsSep "." (take 1 (splitString "." release_version));
 
 in stdenv.mkDerivation ({
-  name = "llvm-${version}";
+  pname = "llvm";
+  inherit version;
 
   src = fetch "llvm" "1rvm5gqp5v8hfn17kqws3zhk94w4kxndal12bqa0y57p09nply24";
   polly_src = fetch "polly" "1lfjdz3ilj5xmjxvicd8f5ykybks67ry2pdb777352r3mzlgg8g8";
@@ -150,7 +151,7 @@ in stdenv.mkDerivation ({
     platforms   = stdenv.lib.platforms.all;
   };
 } // stdenv.lib.optionalAttrs enableManpages {
-  name = "llvm-manpages-${version}";
+  pname = "llvm-manpages";
 
   buildPhase = ''
     make docs-llvm-man