diff --git a/pkgs/development/compilers/llvm/3.8/clang/default.nix b/pkgs/development/compilers/llvm/3.8/clang/default.nix
index 90b8ea2581e8..388c24e63364 100644
--- a/pkgs/development/compilers/llvm/3.8/clang/default.nix
+++ b/pkgs/development/compilers/llvm/3.8/clang/default.nix
@@ -29,7 +29,7 @@ let
       sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/ToolChains.cpp
     '';
 
-    outputs = [ "out" "python" ];
+    outputs = [ "out" "lib" "python" ];
 
     # Clang expects to find LLVMgold in its own prefix
     # Clang expects to find sanitizer libraries in its own prefix
@@ -38,6 +38,9 @@ let
       ln -sv ${llvm}/lib/clang/${version}/lib $out/lib/clang/${version}/
       ln -sv $out/bin/clang $out/bin/cpp
 
+      # Move libclang to 'lib' output
+      moveToOutput "lib/libclang.*" "$lib"
+
       mkdir -p $python/bin $python/share/clang/
       mv $out/bin/{git-clang-format,scan-view} $python/bin
       if [ -e $out/bin/set-xcode-analyzer ]; then
@@ -51,7 +54,6 @@ let
     enableParallelBuilding = true;
 
     passthru = {
-      lib = self; # compatibility with gcc, so that `stdenv.cc.cc.lib` works on both
       isClang = true;
       inherit llvm;
     } // stdenv.lib.optionalAttrs stdenv.isLinux {
diff --git a/pkgs/development/compilers/llvm/3.8/default.nix b/pkgs/development/compilers/llvm/3.8/default.nix
index a660d4aea5fd..9e37f93dbddc 100644
--- a/pkgs/development/compilers/llvm/3.8/default.nix
+++ b/pkgs/development/compilers/llvm/3.8/default.nix
@@ -22,6 +22,8 @@ let
       inherit clang-tools-extra_src stdenv;
     };
 
+    libclang = self.clang-unwrapped.lib;
+
     clang = if stdenv.cc.isGNU then self.libstdcxxClang else self.libcxxClang;
 
     libstdcxxClang = ccWrapperFun {
diff --git a/pkgs/development/compilers/llvm/3.9/clang/default.nix b/pkgs/development/compilers/llvm/3.9/clang/default.nix
index ec2ec27df363..f215aadc4d98 100644
--- a/pkgs/development/compilers/llvm/3.9/clang/default.nix
+++ b/pkgs/development/compilers/llvm/3.9/clang/default.nix
@@ -31,7 +31,7 @@ let
       sed -i -e 's/DriverArgs.hasArg(options::OPT_nostdlibinc)/true/' lib/Driver/ToolChains.cpp
     '';
 
-    outputs = [ "out" "python" ];
+    outputs = [ "out" "lib" "python" ];
 
     # Clang expects to find LLVMgold in its own prefix
     # Clang expects to find sanitizer libraries in its own prefix
@@ -40,6 +40,9 @@ let
       ln -sv ${llvm}/lib/clang/${version}/lib $out/lib/clang/${version}/
       ln -sv $out/bin/clang $out/bin/cpp
 
+      # Move libclang to 'lib' output
+      moveToOutput "lib/libclang.*" "$lib"
+
       mkdir -p $python/bin $python/share/clang/
       mv $out/bin/{git-clang-format,scan-view} $python/bin
       if [ -e $out/bin/set-xcode-analyzer ]; then
@@ -53,7 +56,6 @@ let
     enableParallelBuilding = true;
 
     passthru = {
-      lib = self; # compatibility with gcc, so that `stdenv.cc.cc.lib` works on both
       isClang = true;
       inherit llvm;
     } // stdenv.lib.optionalAttrs stdenv.isLinux {
diff --git a/pkgs/development/compilers/llvm/3.9/default.nix b/pkgs/development/compilers/llvm/3.9/default.nix
index c58adc3f92da..a675bcceb1c9 100644
--- a/pkgs/development/compilers/llvm/3.9/default.nix
+++ b/pkgs/development/compilers/llvm/3.9/default.nix
@@ -22,6 +22,8 @@ let
       inherit clang-tools-extra_src stdenv;
     };
 
+    libclang = self.clang-unwrapped.lib;
+
     clang = if stdenv.cc.isGNU then self.libstdcxxClang else self.libcxxClang;
 
     libstdcxxClang = ccWrapperFun {
diff --git a/pkgs/development/compilers/llvm/4/clang/default.nix b/pkgs/development/compilers/llvm/4/clang/default.nix
index 8d40ee3c8aa2..404b65c56ab7 100644
--- a/pkgs/development/compilers/llvm/4/clang/default.nix
+++ b/pkgs/development/compilers/llvm/4/clang/default.nix
@@ -49,7 +49,7 @@ let
       sed -i '1s,^,find_package(Sphinx REQUIRED)\n,' docs/CMakeLists.txt
     '';
 
-    outputs = [ "out" "python" ]
+    outputs = [ "out" "lib" "python" ]
       ++ stdenv.lib.optional enableManpages "man";
 
     # Clang expects to find LLVMgold in its own prefix
@@ -59,13 +59,15 @@ let
       ln -sv ${llvm}/lib/clang/${release_version}/lib $out/lib/clang/${release_version}/
       ln -sv $out/bin/clang $out/bin/cpp
 
+      # Move libclang to 'lib' output
+      moveToOutput "lib/libclang.*" "$lib"
+
       mkdir -p $python/bin $python/share/clang/
       mv $out/bin/{git-clang-format,scan-view} $python/bin
       if [ -e $out/bin/set-xcode-analyzer ]; then
         mv $out/bin/set-xcode-analyzer $python/bin
       fi
       mv $out/share/clang/*.py $python/share/clang
-
       rm $out/bin/c-index-test
     ''
     + stdenv.lib.optionalString enableManpages ''
@@ -79,7 +81,6 @@ let
     enableParallelBuilding = true;
 
     passthru = {
-      lib = self; # compatibility with gcc, so that `stdenv.cc.cc.lib` works on both
       isClang = true;
       inherit llvm;
     } // stdenv.lib.optionalAttrs stdenv.isLinux {
diff --git a/pkgs/development/compilers/llvm/4/default.nix b/pkgs/development/compilers/llvm/4/default.nix
index 5a44cb868253..89cb181e405e 100644
--- a/pkgs/development/compilers/llvm/4/default.nix
+++ b/pkgs/development/compilers/llvm/4/default.nix
@@ -34,6 +34,7 @@ let
     llvm = overrideManOutput llvm;
     clang-unwrapped = overrideManOutput clang-unwrapped;
 
+    libclang = self.clang-unwrapped.lib;
     llvm-manpages = lowPrio self.llvm.man;
     clang-manpages = lowPrio self.clang-unwrapped.man;
 
diff --git a/pkgs/development/compilers/llvm/5/clang/default.nix b/pkgs/development/compilers/llvm/5/clang/default.nix
index b003d2f334ac..aaddd020a729 100644
--- a/pkgs/development/compilers/llvm/5/clang/default.nix
+++ b/pkgs/development/compilers/llvm/5/clang/default.nix
@@ -50,7 +50,7 @@ let
       sed -i '1s,^,find_package(Sphinx REQUIRED)\n,' docs/CMakeLists.txt
     '';
 
-    outputs = [ "out" "python" ]
+    outputs = [ "out" "lib" "python" ]
       ++ stdenv.lib.optional enableManpages "man";
 
     # Clang expects to find LLVMgold in its own prefix
@@ -60,13 +60,15 @@ let
       ln -sv ${llvm}/lib/clang/${release_version}/lib $out/lib/clang/${release_version}/
       ln -sv $out/bin/clang $out/bin/cpp
 
+      # Move libclang to 'lib' output
+      moveToOutput "lib/libclang.*" "$lib"
+
       mkdir -p $python/bin $python/share/clang/
       mv $out/bin/{git-clang-format,scan-view} $python/bin
       if [ -e $out/bin/set-xcode-analyzer ]; then
         mv $out/bin/set-xcode-analyzer $python/bin
       fi
       mv $out/share/clang/*.py $python/share/clang
-
       rm $out/bin/c-index-test
     ''
     + stdenv.lib.optionalString enableManpages ''
@@ -80,7 +82,6 @@ let
     enableParallelBuilding = true;
 
     passthru = {
-      lib = self; # compatibility with gcc, so that `stdenv.cc.cc.lib` works on both
       isClang = true;
       inherit llvm;
     } // stdenv.lib.optionalAttrs stdenv.isLinux {
diff --git a/pkgs/development/compilers/llvm/5/default.nix b/pkgs/development/compilers/llvm/5/default.nix
index a7e16c08ce96..26342095da79 100644
--- a/pkgs/development/compilers/llvm/5/default.nix
+++ b/pkgs/development/compilers/llvm/5/default.nix
@@ -34,6 +34,7 @@ let
     llvm = overrideManOutput llvm;
     clang-unwrapped = overrideManOutput clang-unwrapped;
 
+    libclang = self.clang-unwrapped.lib;
     llvm-manpages = lowPrio self.llvm.man;
     clang-manpages = lowPrio self.clang-unwrapped.man;
 
diff --git a/pkgs/stdenv/darwin/default.nix b/pkgs/stdenv/darwin/default.nix
index 2542d2428859..38d5cabf186e 100644
--- a/pkgs/stdenv/darwin/default.nix
+++ b/pkgs/stdenv/darwin/default.nix
@@ -375,7 +375,7 @@ in rec {
       xz.out xz.bin libcxx libcxxabi gmp.out gnumake findutils bzip2.out
       bzip2.bin llvmPackages.llvm llvmPackages.llvm.lib zlib.out zlib.dev libffi.out coreutils ed diffutils gnutar
       gzip ncurses.out ncurses.dev ncurses.man gnused bash gawk
-      gnugrep llvmPackages.clang-unwrapped patch pcre.out gettext
+      gnugrep llvmPackages.clang-unwrapped llvmPackages.clang-unwrapped.lib patch pcre.out gettext
       binutils-raw.bintools binutils binutils.bintools
       cc.expand-response-params
     ]) ++ (with pkgs.darwin; [