diff --git a/pkgs/development/compilers/llvm/4/default.nix b/pkgs/development/compilers/llvm/4/default.nix
index 75037f6a07db..9651dbb72f4d 100644
--- a/pkgs/development/compilers/llvm/4/default.nix
+++ b/pkgs/development/compilers/llvm/4/default.nix
@@ -1,5 +1,5 @@
-{ lowPrio, newScope, stdenv, cmake, libstdcxxHook
-, libxml2, python2, isl, fetchurl, overrideCC, wrapCCWith
+{ lowPrio, newScope, pkgs, stdenv, cmake, libstdcxxHook
+, libxml2, python, isl, fetchurl, overrideCC, wrapCCWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
 }:
@@ -16,25 +16,28 @@ let
   compiler-rt_src = fetch "compiler-rt" "0h5lpv1z554szi4r4blbskhwrkd78ir50v3ng8xvk1s86fa7gj53";
   clang-tools-extra_src = fetch "clang-tools-extra" "1dhmp7ccfpr42bmvk3kp37ngjpf3a9m5d4kkpsn7d00hzi7fdl9m";
 
-  # Add man output without introducing extra dependencies.
-  overrideManOutput = drv:
-    let drv-manpages = drv.override { enableManpages = true; }; in
-    drv // { man = drv-manpages.out; /*outputs = drv.outputs ++ ["man"];*/ };
-
   tools = stdenv.lib.makeExtensible (tools: let
-    callPackage = newScope (tools // { inherit stdenv cmake libxml2 python2 isl release_version version fetch; });
+    callPackage = newScope (tools // { inherit stdenv cmake libxml2 python isl release_version version fetch; });
   in {
 
-    llvm = overrideManOutput (callPackage ./llvm.nix {
+    llvm = callPackage ./llvm.nix {
       inherit compiler-rt_src;
-    });
-    clang-unwrapped = overrideManOutput (callPackage ./clang {
+    };
+    clang-unwrapped = callPackage ./clang {
       inherit clang-tools-extra_src;
+    };
+
+    llvm-manpages = lowPrio (tools.llvm.override {
+      enableManpages = true;
+      python = pkgs.python;  # don't use python-boot
+    });
+
+    clang-manpages = lowPrio (tools.clang-unwrapped.override {
+      enableManpages = true;
+      python = pkgs.python;  # don't use python-boot
     });
 
     libclang = tools.clang-unwrapped.lib;
-    llvm-manpages = lowPrio tools.llvm.man;
-    clang-manpages = lowPrio tools.clang-unwrapped.man;
 
     clang = if stdenv.cc.isGNU then tools.libstdcxxClang else tools.libcxxClang;
 
@@ -54,7 +57,7 @@ let
   });
 
   libraries = stdenv.lib.makeExtensible (libraries: let
-    callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python2 isl release_version version fetch; });
+    callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python isl release_version version fetch; });
   in {
 
     stdenv = overrideCC stdenv buildLlvmTools.clang;
diff --git a/pkgs/development/compilers/llvm/4/llvm.nix b/pkgs/development/compilers/llvm/4/llvm.nix
index 514c3a006e38..e474f9a73fe8 100644
--- a/pkgs/development/compilers/llvm/4/llvm.nix
+++ b/pkgs/development/compilers/llvm/4/llvm.nix
@@ -13,7 +13,7 @@
 , compiler-rt_src
 , debugVersion ? false
 , enableManpages ? false
-, enableSharedLibraries ? true
+, enableSharedLibraries ? !enableManpages
 }:
 
 let
diff --git a/pkgs/development/compilers/llvm/5/default.nix b/pkgs/development/compilers/llvm/5/default.nix
index 00b0083108b5..38d2b0d461d4 100644
--- a/pkgs/development/compilers/llvm/5/default.nix
+++ b/pkgs/development/compilers/llvm/5/default.nix
@@ -1,5 +1,5 @@
-{ lowPrio, newScope, stdenv, cmake, libstdcxxHook
-, libxml2, python2, isl, fetchurl, overrideCC, wrapCCWith
+{ lowPrio, newScope, pkgs, stdenv, cmake, libstdcxxHook
+, libxml2, python, isl, fetchurl, overrideCC, wrapCCWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
 }:
@@ -15,13 +15,8 @@ let
 
   clang-tools-extra_src = fetch "clang-tools-extra" "018b3fiwah8f8br5i26qmzh6sjvzchpn358sn8v079m49f2jldm3";
 
-  # Add man output without introducing extra dependencies.
-  overrideManOutput = drv:
-    let drv-manpages = drv.override { enableManpages = true; }; in
-    drv // { man = drv-manpages.out; /*outputs = drv.outputs ++ ["man"];*/ };
-
   tools = stdenv.lib.makeExtensible (tools: let
-    callPackage = newScope (tools // { inherit stdenv cmake libxml2 python2 isl release_version version fetch; });
+    callPackage = newScope (tools // { inherit stdenv cmake libxml2 python isl release_version version fetch; });
     mkExtraBuildCommands = cc: ''
       rsrc="$out/resource-root"
       mkdir "$rsrc"
@@ -33,15 +28,23 @@ let
     '';
   in {
 
-    llvm = overrideManOutput (callPackage ./llvm.nix { });
+    llvm = callPackage ./llvm.nix { };
 
-    clang-unwrapped = overrideManOutput (callPackage ./clang {
+    clang-unwrapped = callPackage ./clang {
       inherit clang-tools-extra_src;
+    };
+
+    llvm-manpages = lowPrio (tools.llvm.override {
+      enableManpages = true;
+      python = pkgs.python;  # don't use python-boot
+    });
+
+    clang-manpages = lowPrio (tools.clang-unwrapped.override {
+      enableManpages = true;
+      python = pkgs.python;  # don't use python-boot
     });
 
     libclang = tools.clang-unwrapped.lib;
-    llvm-manpages = lowPrio tools.llvm.man;
-    clang-manpages = lowPrio tools.clang-unwrapped.man;
 
     clang = if stdenv.cc.isGNU then tools.libstdcxxClang else tools.libcxxClang;
 
@@ -70,7 +73,7 @@ let
   });
 
   libraries = stdenv.lib.makeExtensible (libraries: let
-    callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python2 isl release_version version fetch; });
+    callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python isl release_version version fetch; });
   in {
 
     compiler-rt = callPackage ./compiler-rt.nix {};
diff --git a/pkgs/development/compilers/llvm/6/default.nix b/pkgs/development/compilers/llvm/6/default.nix
index 141daa88dcff..831e4b65344c 100644
--- a/pkgs/development/compilers/llvm/6/default.nix
+++ b/pkgs/development/compilers/llvm/6/default.nix
@@ -1,5 +1,5 @@
-{ lowPrio, newScope, stdenv, cmake, libstdcxxHook
-, libxml2, python2, isl, fetchurl, overrideCC, wrapCCWith
+{ lowPrio, newScope, pkgs, stdenv, cmake, libstdcxxHook
+, libxml2, python, isl, fetchurl, overrideCC, wrapCCWith
 , buildLlvmTools # tools, but from the previous stage, for cross
 , targetLlvmLibraries # libraries, but from the next stage, for cross
 }:
@@ -15,13 +15,8 @@ let
 
   clang-tools-extra_src = fetch "clang-tools-extra" "1w8ml7fyn4vyxmy59n2qm4r1k1kgwgwkaldp6m45fdv4g0kkfbhd";
 
-  # Add man output without introducing extra dependencies.
-  overrideManOutput = drv:
-    let drv-manpages = drv.override { enableManpages = true; }; in
-    drv // { man = drv-manpages.out; /*outputs = drv.outputs ++ ["man"];*/ };
-
   tools = stdenv.lib.makeExtensible (tools: let
-    callPackage = newScope (tools // { inherit stdenv cmake libxml2 python2 isl release_version version fetch; });
+    callPackage = newScope (tools // { inherit stdenv cmake libxml2 python isl release_version version fetch; });
     mkExtraBuildCommands = cc: ''
       rsrc="$out/resource-root"
       mkdir "$rsrc"
@@ -33,15 +28,23 @@ let
     '';
   in {
 
-    llvm = overrideManOutput (callPackage ./llvm.nix { });
+    llvm = callPackage ./llvm.nix { };
 
-    clang-unwrapped = overrideManOutput (callPackage ./clang {
+    clang-unwrapped = callPackage ./clang {
       inherit clang-tools-extra_src;
+    };
+
+    llvm-manpages = lowPrio (tools.llvm.override {
+      enableManpages = true;
+      python = pkgs.python;  # don't use python-boot
+    });
+
+    clang-manpages = lowPrio (tools.clang-unwrapped.override {
+      enableManpages = true;
+      python = pkgs.python;  # don't use python-boot
     });
 
     libclang = tools.clang-unwrapped.lib;
-    llvm-manpages = lowPrio tools.llvm.man;
-    clang-manpages = lowPrio tools.clang-unwrapped.man;
 
     clang = if stdenv.cc.isGNU then tools.libstdcxxClang else tools.libcxxClang;
 
@@ -70,7 +73,7 @@ let
   });
 
   libraries = stdenv.lib.makeExtensible (libraries: let
-    callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python2 isl release_version version fetch; });
+    callPackage = newScope (libraries // buildLlvmTools // { inherit stdenv cmake libxml2 python isl release_version version fetch; });
   in {
 
     compiler-rt = callPackage ./compiler-rt.nix {};
diff --git a/pkgs/stdenv/darwin/default.nix b/pkgs/stdenv/darwin/default.nix
index b7b3640a9535..22dd700b2dda 100644
--- a/pkgs/stdenv/darwin/default.nix
+++ b/pkgs/stdenv/darwin/default.nix
@@ -339,15 +339,7 @@ in rec {
 
       llvmPackages_5 = super.llvmPackages_5 // (let
         tools = super.llvmPackages_5.tools.extend (_: super: {
-          # Build man pages with final stdenv not before
-          llvm = lib.extendDerivation
-            true
-            { inherit (super.llvm) man; }
-            llvmPackages_5.llvm;
-          clang-unwrapped = lib.extendDerivation
-            true
-            { inherit (super.clang-unwrapped) man; }
-            llvmPackages_5.clang-unwrapped;
+          inherit (llvmPackages_5) llvm clang-unwrapped;
         });
         libraries = super.llvmPackages_5.libraries.extend (_: _: {
           inherit (llvmPackages_5) compiler-rt libcxx libcxxabi;
@@ -384,9 +376,8 @@ in rec {
     initialPath = import ../common-path.nix { inherit pkgs; };
     shell       = "${pkgs.bash}/bin/bash";
 
-    # Hack to avoid man pages in stdenv, building bootstrap python
     cc = pkgs.llvmPackages.libcxxClang.override {
-      cc = builtins.removeAttrs pkgs.llvmPackages.clang-unwrapped [ "man" ];
+      cc = pkgs.llvmPackages.clang-unwrapped;
     };
 
     extraNativeBuildInputs = [];