diff --git a/pkgs/development/compilers/llvm/3.4/clang.nix b/pkgs/development/compilers/llvm/3.4/clang.nix
index b05496eabf2..741ecc3856f 100644
--- a/pkgs/development/compilers/llvm/3.4/clang.nix
+++ b/pkgs/development/compilers/llvm/3.4/clang.nix
@@ -46,7 +46,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.4/lld.nix b/pkgs/development/compilers/llvm/3.4/lld.nix
index c1841610f31..0398a5a543a 100644
--- a/pkgs/development/compilers/llvm/3.4/lld.nix
+++ b/pkgs/development/compilers/llvm/3.4/lld.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A set of modular code for creating linker tools";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.4/lldb.nix b/pkgs/development/compilers/llvm/3.4/lldb.nix
index a50f9536542..c5ed82f53e5 100644
--- a/pkgs/development/compilers/llvm/3.4/lldb.nix
+++ b/pkgs/development/compilers/llvm/3.4/lldb.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A next-generation high-performance debugger";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.4/llvm.nix b/pkgs/development/compilers/llvm/3.4/llvm.nix
index 54346baba0d..0a18f7e01cf 100644
--- a/pkgs/development/compilers/llvm/3.4/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.4/llvm.nix
@@ -67,7 +67,7 @@ in stdenv.mkDerivation rec {
   meta = {
     description = "Collection of modular and reusable compiler and toolchain technologies";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     maintainers = with stdenv.lib.maintainers; [ lovek323 raskin viric ];
     platforms   = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/development/compilers/llvm/3.4/polly.nix b/pkgs/development/compilers/llvm/3.4/polly.nix
index 3d3483afafa..1ea806a1266 100644
--- a/pkgs/development/compilers/llvm/3.4/polly.nix
+++ b/pkgs/development/compilers/llvm/3.4/polly.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A polyhedral optimizer for llvm";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.5/clang.nix b/pkgs/development/compilers/llvm/3.5/clang.nix
index d11259c82f0..f15c989ef51 100644
--- a/pkgs/development/compilers/llvm/3.5/clang.nix
+++ b/pkgs/development/compilers/llvm/3.5/clang.nix
@@ -47,7 +47,7 @@ in stdenv.mkDerivation {
   meta = {
     description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.5/libc++/default.nix b/pkgs/development/compilers/llvm/3.5/libc++/default.nix
index 476fc7bcd43..abc198b0686 100644
--- a/pkgs/development/compilers/llvm/3.5/libc++/default.nix
+++ b/pkgs/development/compilers/llvm/3.5/libc++/default.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://libcxx.llvm.org/;
     description = "A new implementation of the C++ standard library, targeting C++11";
-    license = "BSD";
+    license = with stdenv.lib.licenses; [ ncsa mit ];
     platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.5/libc++abi/default.nix b/pkgs/development/compilers/llvm/3.5/libc++abi/default.nix
index 963caf80970..268f2702a23 100644
--- a/pkgs/development/compilers/llvm/3.5/libc++abi/default.nix
+++ b/pkgs/development/compilers/llvm/3.5/libc++abi/default.nix
@@ -52,7 +52,7 @@ in stdenv.mkDerivation {
   meta = {
     homepage = http://libcxxabi.llvm.org/;
     description = "A new implementation of low level support for a standard C++ library";
-    license = "BSD";
+    license = with stdenv.lib.licenses; [ ncsa mit ];
     maintainers = with stdenv.lib.maintainers; [ vlstill ];
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/compilers/llvm/3.5/lld.nix b/pkgs/development/compilers/llvm/3.5/lld.nix
index 7ee90818ac9..4a398bd96a0 100644
--- a/pkgs/development/compilers/llvm/3.5/lld.nix
+++ b/pkgs/development/compilers/llvm/3.5/lld.nix
@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A set of modular code for creating linker tools";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.5/lldb.nix b/pkgs/development/compilers/llvm/3.5/lldb.nix
index bbffa1a9a93..a5161333b28 100644
--- a/pkgs/development/compilers/llvm/3.5/lldb.nix
+++ b/pkgs/development/compilers/llvm/3.5/lldb.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A next-generation high-performance debugger";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
     broken = true;
   };
diff --git a/pkgs/development/compilers/llvm/3.5/llvm.nix b/pkgs/development/compilers/llvm/3.5/llvm.nix
index 4f54f1438a7..8bb5a6c684b 100644
--- a/pkgs/development/compilers/llvm/3.5/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.5/llvm.nix
@@ -72,7 +72,7 @@ in stdenv.mkDerivation rec {
   meta = {
     description = "Collection of modular and reusable compiler and toolchain technologies";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     maintainers = with stdenv.lib.maintainers; [ lovek323 raskin viric ];
     platforms   = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/development/compilers/llvm/3.5/polly.nix b/pkgs/development/compilers/llvm/3.5/polly.nix
index 42b3fd74e6c..bacf4d30556 100644
--- a/pkgs/development/compilers/llvm/3.5/polly.nix
+++ b/pkgs/development/compilers/llvm/3.5/polly.nix
@@ -19,7 +19,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A polyhedral optimizer for llvm";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.7/clang/default.nix b/pkgs/development/compilers/llvm/3.7/clang/default.nix
index 6c1a89cf60a..535dbbc93d5 100644
--- a/pkgs/development/compilers/llvm/3.7/clang/default.nix
+++ b/pkgs/development/compilers/llvm/3.7/clang/default.nix
@@ -49,7 +49,7 @@ let
     meta = {
       description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
       homepage    = http://llvm.org/;
-      license     = stdenv.lib.licenses.bsd3;
+      license     = stdenv.lib.licenses.ncsa;
       platforms   = stdenv.lib.platforms.all;
     };
   };
diff --git a/pkgs/development/compilers/llvm/3.7/libc++/default.nix b/pkgs/development/compilers/llvm/3.7/libc++/default.nix
index 1196645b923..69ce87bcbf3 100644
--- a/pkgs/development/compilers/llvm/3.7/libc++/default.nix
+++ b/pkgs/development/compilers/llvm/3.7/libc++/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://libcxx.llvm.org/;
     description = "A new implementation of the C++ standard library, targeting C++11";
-    license = "BSD";
+    license = with stdenv.lib.licenses; [ ncsa mit ];
     platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.7/libc++abi.nix b/pkgs/development/compilers/llvm/3.7/libc++abi.nix
index ec0be51a11c..6a62a6256b4 100644
--- a/pkgs/development/compilers/llvm/3.7/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/3.7/libc++abi.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://libcxxabi.llvm.org/;
     description = "A new implementation of low level support for a standard C++ library";
-    license = "BSD";
+    license = with stdenv.lib.licenses; [ ncsa mit ];
     maintainers = with stdenv.lib.maintainers; [ vlstill ];
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/compilers/llvm/3.7/lldb.nix b/pkgs/development/compilers/llvm/3.7/lldb.nix
index 36f9cb1f139..294410f9986 100644
--- a/pkgs/development/compilers/llvm/3.7/lldb.nix
+++ b/pkgs/development/compilers/llvm/3.7/lldb.nix
@@ -43,7 +43,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A next-generation high-performance debugger";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.7/llvm.nix b/pkgs/development/compilers/llvm/3.7/llvm.nix
index c674b959c78..d4e7c73ad0d 100644
--- a/pkgs/development/compilers/llvm/3.7/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.7/llvm.nix
@@ -83,7 +83,7 @@ in stdenv.mkDerivation rec {
   meta = {
     description = "Collection of modular and reusable compiler and toolchain technologies";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     maintainers = with stdenv.lib.maintainers; [ lovek323 raskin viric ];
     platforms   = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/development/compilers/llvm/3.8/clang/default.nix b/pkgs/development/compilers/llvm/3.8/clang/default.nix
index 6052246dad0..41e515249eb 100644
--- a/pkgs/development/compilers/llvm/3.8/clang/default.nix
+++ b/pkgs/development/compilers/llvm/3.8/clang/default.nix
@@ -60,7 +60,7 @@ let
     meta = {
       description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
       homepage    = http://llvm.org/;
-      license     = stdenv.lib.licenses.bsd3;
+      license     = stdenv.lib.licenses.ncsa;
       platforms   = stdenv.lib.platforms.all;
     };
   };
diff --git a/pkgs/development/compilers/llvm/3.8/libc++/default.nix b/pkgs/development/compilers/llvm/3.8/libc++/default.nix
index 15f7ee1e3e4..e4198599904 100644
--- a/pkgs/development/compilers/llvm/3.8/libc++/default.nix
+++ b/pkgs/development/compilers/llvm/3.8/libc++/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://libcxx.llvm.org/;
     description = "A new implementation of the C++ standard library, targeting C++11";
-    license = "BSD";
+    license = with stdenv.lib.licenses; [ ncsa mit ];
     platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.8/libc++abi.nix b/pkgs/development/compilers/llvm/3.8/libc++abi.nix
index 61ff6341c30..6b98a5726cf 100644
--- a/pkgs/development/compilers/llvm/3.8/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/3.8/libc++abi.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://libcxxabi.llvm.org/;
     description = "A new implementation of low level support for a standard C++ library";
-    license = "BSD";
+    license = with stdenv.lib.licenses; [ ncsa mit ];
     maintainers = with stdenv.lib.maintainers; [ vlstill ];
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/compilers/llvm/3.8/lldb.nix b/pkgs/development/compilers/llvm/3.8/lldb.nix
index fe0dcfc8306..d27786464c0 100644
--- a/pkgs/development/compilers/llvm/3.8/lldb.nix
+++ b/pkgs/development/compilers/llvm/3.8/lldb.nix
@@ -44,7 +44,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A next-generation high-performance debugger";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.8/llvm.nix b/pkgs/development/compilers/llvm/3.8/llvm.nix
index fa647e62ff1..9394179a8f9 100644
--- a/pkgs/development/compilers/llvm/3.8/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.8/llvm.nix
@@ -85,7 +85,7 @@ in stdenv.mkDerivation rec {
   meta = {
     description = "Collection of modular and reusable compiler and toolchain technologies";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     maintainers = with stdenv.lib.maintainers; [ lovek323 raskin viric ];
     platforms   = stdenv.lib.platforms.all;
   };
diff --git a/pkgs/development/compilers/llvm/3.9/clang/default.nix b/pkgs/development/compilers/llvm/3.9/clang/default.nix
index e6c804c96b1..677c4a526ea 100644
--- a/pkgs/development/compilers/llvm/3.9/clang/default.nix
+++ b/pkgs/development/compilers/llvm/3.9/clang/default.nix
@@ -49,7 +49,7 @@ let
     meta = {
       description = "A c, c++, objective-c, and objective-c++ frontend for the llvm compiler";
       homepage    = http://llvm.org/;
-      license     = stdenv.lib.licenses.bsd3;
+      license     = stdenv.lib.licenses.ncsa;
       platforms   = stdenv.lib.platforms.all;
     };
   };
diff --git a/pkgs/development/compilers/llvm/3.9/libc++/default.nix b/pkgs/development/compilers/llvm/3.9/libc++/default.nix
index 7a53ffa0d8f..f656f553f16 100644
--- a/pkgs/development/compilers/llvm/3.9/libc++/default.nix
+++ b/pkgs/development/compilers/llvm/3.9/libc++/default.nix
@@ -33,7 +33,7 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = http://libcxx.llvm.org/;
     description = "A new implementation of the C++ standard library, targeting C++11";
-    license = "BSD";
+    license = with stdenv.lib.licenses; [ ncsa mit ];
     platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.9/libc++abi.nix b/pkgs/development/compilers/llvm/3.9/libc++abi.nix
index aff4205d6a9..1ad2cb10295 100644
--- a/pkgs/development/compilers/llvm/3.9/libc++abi.nix
+++ b/pkgs/development/compilers/llvm/3.9/libc++abi.nix
@@ -40,7 +40,7 @@ stdenv.mkDerivation {
   meta = {
     homepage = http://libcxxabi.llvm.org/;
     description = "A new implementation of low level support for a standard C++ library";
-    license = "BSD";
+    license = with stdenv.lib.licenses; [ ncsa mit ];
     maintainers = with stdenv.lib.maintainers; [ vlstill ];
     platforms = stdenv.lib.platforms.unix;
   };
diff --git a/pkgs/development/compilers/llvm/3.9/lldb.nix b/pkgs/development/compilers/llvm/3.9/lldb.nix
index 5d8878b3b06..52f27de8cdb 100644
--- a/pkgs/development/compilers/llvm/3.9/lldb.nix
+++ b/pkgs/development/compilers/llvm/3.9/lldb.nix
@@ -50,7 +50,7 @@ stdenv.mkDerivation {
   meta = {
     description = "A next-generation high-performance debugger";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     platforms   = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/compilers/llvm/3.9/llvm.nix b/pkgs/development/compilers/llvm/3.9/llvm.nix
index b64cf4fed5b..e1edbf5d0e7 100644
--- a/pkgs/development/compilers/llvm/3.9/llvm.nix
+++ b/pkgs/development/compilers/llvm/3.9/llvm.nix
@@ -109,7 +109,7 @@ in stdenv.mkDerivation rec {
   meta = {
     description = "Collection of modular and reusable compiler and toolchain technologies";
     homepage    = http://llvm.org/;
-    license     = stdenv.lib.licenses.bsd3;
+    license     = stdenv.lib.licenses.ncsa;
     maintainers = with stdenv.lib.maintainers; [ lovek323 raskin viric ];
     platforms   = stdenv.lib.platforms.all;
   };