3 files changed, 2 insertions, 6 deletions
diff --git a/pkgs/development/libraries/libc++/default.nix b/pkgs/development/libraries/libc++/default.nix
index 32035709d8f..1ec1a61716d 100644
--- a/pkgs/development/libraries/libc++/default.nix
+++ b/pkgs/development/libraries/libc++/default.nix
@@ -26,6 +26,6 @@ in stdenv.mkDerivation rec {
     description = "A new implementation of the C++ standard library, targeting C++11";
     license = "BSD";
     maintainers = stdenv.lib.maintainers.shlevy;
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/libraries/libc++abi/default.nix b/pkgs/development/libraries/libc++abi/default.nix
index aae3027fd62..141802d1616 100644
--- a/pkgs/development/libraries/libc++abi/default.nix
+++ b/pkgs/development/libraries/libc++abi/default.nix
@@ -33,6 +33,6 @@ in stdenv.mkDerivation {
     description = "A new implementation of low level support for a standard C++ library";
     license = "BSD";
     maintainers = stdenv.lib.maintainers.shlevy;
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/development/libraries/readline/readline6.nix b/pkgs/development/libraries/readline/readline6.nix
index bffa838d2b3..1555f255c51 100644
--- a/pkgs/development/libraries/readline/readline6.nix
+++ b/pkgs/development/libraries/readline/readline6.nix
@@ -10,10 +10,6 @@ stdenv.mkDerivation (rec {
 
   propagatedBuildInputs = [ncurses];
 
-  preConfigure = ''
-    export CC=clang
-  '';
-
   patchFlags = "-p0";
   patches =
     [ ./link-against-ncurses.patch