top-level: `crossSystem` is no longer exposed to packages. Use `*Platform`.

pkgs/development/compilers/ghc/head.nix

···
 { stdenv, fetchgit, bootPkgs, perl, gmp, ncurses, libiconv, binutils, coreutils
-, autoconf, automake, happy, alex, python3, crossSystem, selfPkgs, cross ? null
+, autoconf, automake, happy, alex, python3, buildPlatform, targetPlatform
+, selfPkgs, cross ? null
 }:
 
 let
···
 
   passthru = {
     inherit bootPkgs;
-  } // stdenv.lib.optionalAttrs (crossSystem != null) {
+  } // stdenv.lib.optionalAttrs (targetPlatform != buildPlatform) {
     crossCompiler = selfPkgs.ghc.override {
-      cross = crossSystem;
+      cross = targetPlatform;
       bootPkgs = selfPkgs;
     };
   };

pkgs/os-specific/gnu/default.nix

···
 args@{ fetchgit, stdenv, autoconf, automake, automake111x, libtool
 , texinfo, glibcCross, hurdPartedCross, libuuid, samba
 , gccCrossStageStatic, gccCrossStageFinal
-, forcedNativePackages, forceSystem, newScope, platform, config, crossSystem
+, forcedNativePackages, forceSystem, newScope, platform, config
+, targetPlatform, buildPlatform
 , overrides ? {} }:
 
 with args;
···
       libuuid = libuuid.crossDrv;
       automake = automake111x;
       headersOnly = false;
-      cross = assert crossSystem != null; crossSystem;
+      cross = assert targetPlatform != buildPlatform; targetPlatform;
       gccCross = gccCrossStageFinal;
     };
 
···
       libuuid = null;
       automake = automake111x;
       headersOnly = false;
-      cross = assert crossSystem != null; crossSystem;
+      cross = assert targetPlatform != buildPlatform; targetPlatform;
 
       # The "final" GCC needs glibc and the Hurd libraries (libpthread in
       # particular) so we first need an intermediate Hurd built with the
···
       inherit (gnu) machHeaders hurdHeaders;
       hurd = gnu.hurdCrossIntermediate;
       gccCross = gccCrossStageStatic;
-      cross = assert crossSystem != null; crossSystem;
+      cross = assert targetPlatform != buildPlatform; targetPlatform;
     };
 
     # In theory GNU Mach doesn't have to be cross-compiled.  However, since it

pkgs/stdenv/linux/make-bootstrap-tools-cross.nix

···
 
     stdenv.mkDerivation {
       name = "stdenv-bootstrap-tools-cross";
-      crossConfig = pkgsUnspliced.crossSystem.config;
+      crossConfig = pkgsUnspliced.hostPlatform.config;
 
       buildInputs = [nukeReferences cpio binutilsCross];
 

pkgs/top-level/all-packages.nix

···
 
   callPackage_i686 = pkgsi686Linux.callPackage;
 
-  forcedNativePackages = if crossSystem == null then pkgs else buildPackages;
+  forcedNativePackages = if hostPlatform == buildPlatform then pkgs else buildPackages;
 
   # A stdenv capable of building 32-bit binaries.  On x86_64-linux,
   # it uses GCC compiled with multilib support; on i686-linux, it's
···
   pngout = callPackage ../tools/graphics/pngout { };
 
   hurdPartedCross =
-    if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+    if targetPlatform != buildPlatform && targetPlatform.config == "i586-pc-gnu"
     then (makeOverridable
             ({ hurd }:
               (parted.override {
···
 
   gccApple = throw "gccApple is no longer supported";
 
-  gccCrossStageStatic = assert crossSystem != null; let
+  gccCrossStageStatic = assert targetPlatform != buildPlatform; let
     libcCross1 =
       if stdenv.cross.libc == "msvcrt" then windows.mingw_w64_headers
       else if stdenv.cross.libc == "libSystem" then darwin.xcode
       else null;
     in wrapGCCCross {
       gcc = forcedNativePackages.gcc.cc.override {
-        cross = crossSystem;
+        cross = targetPlatform;
         crossStageStatic = true;
         langCC = false;
         libcCross = libcCross1;
···
       };
       libc = libcCross1;
       binutils = binutilsCross;
-      cross = crossSystem;
+      cross = targetPlatform;
   };
 
   # Only needed for mingw builds
-  gccCrossMingw2 = assert crossSystem != null; wrapGCCCross {
+  gccCrossMingw2 = assert targetPlatform != buildPlatform; wrapGCCCross {
     gcc = gccCrossStageStatic.gcc;
     libc = windows.mingw_headers2;
     binutils = binutilsCross;
-    cross = assert crossSystem != null; crossSystem;
+    cross = targetPlatform;
   };
 
-  gccCrossStageFinal = assert crossSystem != null; wrapGCCCross {
+  gccCrossStageFinal = assert targetPlatform != buildPlatform; wrapGCCCross {
     gcc = forcedNativePackages.gcc.cc.override {
-      cross = crossSystem;
+      cross = targetPlatform;
       crossStageStatic = false;
 
       # XXX: We have troubles cross-compiling libstdc++ on MinGW (see
       # <http://hydra.nixos.org/build/4268232>), so don't even try.
-      langCC = crossSystem.config != "i686-pc-mingw32";
+      langCC = targetPlatform.config != "i686-pc-mingw32";
       # Why is this needed?
       inherit (forcedNativePackages) binutilsCross;
     };
     libc = libcCross;
     binutils = binutilsCross;
-    cross = crossSystem;
+    cross = targetPlatform;
   };
 
   gcc45 = lowPrio (wrapCC (callPackage ../development/compilers/gcc/4.5 {
···
     # and host != build), `cross' must be null but the cross-libc must still
     # be passed.
     cross = null;
-    libcCross = if crossSystem != null then libcCross else null;
+    libcCross = if targetPlatform != buildPlatform then libcCross else null;
   }));
 
   gcc48 = lowPrio (wrapCC (callPackage ../development/compilers/gcc/4.8 {
···
     # and host != build), `cross' must be null but the cross-libc must still
     # be passed.
     cross = null;
-    libcCross = if crossSystem != null then libcCross else null;
+    libcCross = if targetPlatform != buildPlatform then libcCross else null;
 
     isl = if !stdenv.isDarwin then isl_0_14 else null;
     cloog = if !stdenv.isDarwin then cloog else null;
···
     # and host != build), `cross' must be null but the cross-libc must still
     # be passed.
     cross = null;
-    libcCross = if crossSystem != null then libcCross else null;
+    libcCross = if targetPlatform != buildPlatform then libcCross else null;
 
     isl = if !stdenv.isDarwin then isl_0_11 else null;
 
···
     # and host != build), `cross' must be null but the cross-libc must still
     # be passed.
     cross = null;
-    libcCross = if crossSystem != null then libcCross else null;
+    libcCross = if targetPlatform != buildPlatform then libcCross else null;
 
     isl = if !stdenv.isDarwin then isl_0_14 else null;
   }));
···
     # and host != build), `cross' must be null but the cross-libc must still
     # be passed.
     cross = null;
-    libcCross = if crossSystem != null then libcCross else null;
+    libcCross = if targetPlatform != buildPlatform then libcCross else null;
 
     isl = if !stdenv.isDarwin then isl_0_14 else null;
   }));
···
 
   # Haskell and GHC
 
-  haskell = callPackage ./haskell-packages.nix { inherit crossSystem; };
+  haskell = callPackage ./haskell-packages.nix { };
 
   haskellPackages = haskell.packages.ghc801.override {
     overrides = config.haskellPackageOverrides or (self: super: {});
···
     gold = false;
   });
 
-  binutilsCross = assert crossSystem != null; lowPrio (
-    if crossSystem.libc == "libSystem" then darwin.cctools_cross
+  binutilsCross = assert targetPlatform != buildPlatform; lowPrio (
+    if targetPlatform.libc == "libSystem" then darwin.cctools_cross
     else forcedNativePackages.binutils.override {
       noSysDirs = true;
-      cross = crossSystem;
+      cross = targetPlatform;
     });
 
   bison2 = callPackage ../development/tools/parsing/bison/2.x.nix { };
···
   gdbGuile = lowPrio (gdb.override { inherit guile; });
 
   gdbCross = lowPrio (callPackage ../development/tools/misc/gdb {
-    target = crossSystem;
+    target = if targetPlatform != buildPlatform then targetPlatform else null;
   });
 
   gdb-multitarget = lowPrio (gdb.override { multitarget = true; });
···
     else if name == "libSystem" then darwin.xcode
     else throw "Unknown libc";
 
-  libcCross = assert crossSystem != null; libcCrossChooser crossSystem.libc;
+  libcCross = assert targetPlatform != buildPlatform; libcCrossChooser targetPlatform.libc;
 
   # Only supported on Linux
   glibcLocales = if stdenv.isLinux then callPackage ../development/libraries/glibc/locales.nix { } else null;
···
     apple-source-releases = callPackage ../os-specific/darwin/apple-source-releases { };
   in apple-source-releases // rec {
     cctools_cross = callPackage (forcedNativePackages.callPackage ../os-specific/darwin/cctools/port.nix {}).cross {
-      cross = assert crossSystem != null; crossSystem;
+      cross = assert targetPlatform != buildPlatform; targetPlatform;
       inherit maloader;
       xctoolchain = xcode.toolchain;
     };
···
   libossp_uuid = callPackage ../development/libraries/libossp-uuid { };
 
   libuuid =
-    if crossSystem != null && crossSystem.config == "i586-pc-gnu"
+    if targetPlatform != buildPlatform && targetPlatform.config == "i586-pc-gnu"
     then (utillinuxMinimal // {
       crossDrv = lib.overrideDerivation utillinuxMinimal.crossDrv (args: {
         # `libblkid' fails to build on GNU/Hurd.
···
 
   # GNU/Hurd core packages.
   gnu = recurseIntoAttrs (callPackage ../os-specific/gnu {
-    inherit platform crossSystem;
+    inherit platform;
   });
 
   hwdata = callPackage ../os-specific/linux/hwdata { };
···
   linuxHeaders = linuxHeaders_4_4;
 
   linuxHeaders24Cross = forcedNativePackages.callPackage ../os-specific/linux/kernel-headers/2.4.nix {
-    cross = assert crossSystem != null; crossSystem;
+    cross = assert targetPlatform != buildPlatform; targetPlatform;
   };
 
   linuxHeaders26Cross = forcedNativePackages.callPackage ../os-specific/linux/kernel-headers/4.4.nix {
-    cross = assert crossSystem != null; crossSystem;
+    cross = assert targetPlatform != buildPlatform; targetPlatform;
   };
 
   linuxHeaders_3_18 = callPackage ../os-specific/linux/kernel-headers/3.18.nix { };
···
     else if ver == "2.6" then linuxHeaders26Cross
     else throw "Unknown linux kernel version";
 
-  linuxHeadersCross = assert crossSystem != null;
-    linuxHeadersCrossChooser crossSystem.platform.kernelMajor;
+  linuxHeadersCross = assert targetPlatform != buildPlatform;
+    linuxHeadersCrossChooser targetPlatform.platform.kernelMajor;
 
   kernelPatches = callPackage ../os-specific/linux/kernel/patches.nix { };
 
···
   uclibcCross = lowPrio (callPackage ../os-specific/linux/uclibc {
     linuxHeaders = linuxHeadersCross;
     gccCross = gccCrossStageStatic;
-    cross = assert crossSystem != null; crossSystem;
+    cross = assert targetPlatform != buildPlatform; targetPlatform;
   });
 
   udev = systemd;

pkgs/top-level/haskell-packages.nix

···
-{ pkgs, callPackage, stdenv, crossSystem }:
+{ pkgs, callPackage, stdenv, buildPlatform, targetPlatform }:
 
 rec {
 
···
     ghcHEAD = callPackage ../development/compilers/ghc/head.nix rec {
       bootPkgs = packages.ghc7103;
       inherit (bootPkgs) alex happy;
-      inherit crossSystem;
+      inherit buildPlatform targetPlatform;
       selfPkgs = packages.ghcHEAD;
     };
     ghcjs = packages.ghc7103.callPackage ../development/compilers/ghcjs {

pkgs/top-level/stage.nix

···
       cross = targetPlatform;
     };
     inherit (buildPlatform) system platform;
-    crossSystem = if targetPlatform != buildPlatform then targetPlatform else null;
   };
 
   splice = self: super: import ./splice.nix lib self;