Remove support for the obsolete powerpc-darwin and i686-darwin platforms

pkgs/stdenv/native/default.nix

@@ -2,11 +2,11 @@
 
 rec {
 
-  shell = 
+  shell =
     if system == "i686-freebsd" || system == "x86_64-freebsd" then "/usr/local/bin/bash"
     else "/bin/bash";
 
-  path = 
+  path =
     (if system == "i686-solaris" then [ "/usr/gnu" ] else []) ++
     (if system == "i686-netbsd" then [ "/usr/pkg" ] else []) ++
     ["/" "/usr" "/usr/local"];
@@ -22,13 +22,13 @@ rec {
     export NIX_DONT_SET_RPATH=1
     export NIX_NO_SELF_RPATH=1
     dontFixLibtool=1
-    stripAllFlags=" " # the Darwin "strip" command doesn't know "-s" 
+    stripAllFlags=" " # the Darwin "strip" command doesn't know "-s"
     xargsFlags=" "
   '';
 
   prehookFreeBSD = ''
     ${prehookBase}
-    
+
     alias make=gmake
     alias tar=gtar
     alias sed=gsed
@@ -41,14 +41,14 @@ rec {
 
   prehookOpenBSD = ''
     ${prehookBase}
-    
+
     alias make=gmake
     alias grep=ggrep
     alias mv=gmv
     alias ln=gln
     alias sed=gsed
     alias tar=gtar
-    
+
     export MAKE=gmake
     shopt -s expand_aliases
 
@@ -58,20 +58,20 @@ rec {
 
   prehookNetBSD = ''
     ${prehookBase}
-    
+
     alias make=gmake
     alias sed=gsed
     alias tar=gtar
     export MAKE=gmake
     shopt -s expand_aliases
-    
+
     # Filter out stupid GCC warnings (in gcc-wrapper).
     export NIX_GCC_NEEDS_GREP=1
   '';
 
   prehookCygwin = ''
     ${prehookBase}
-    
+
     if test -z "$cygwinConfigureEnableShared"; then
       export configureFlags="$configureFlags --disable-shared"
     fi
@@ -81,17 +81,17 @@ rec {
 
 
   # A function that builds a "native" stdenv (one that uses tools in
-  # /usr etc.).  
+  # /usr etc.).
   makeStdenv =
     { gcc, fetchurl, extraPath ? [], overrides ? (pkgs: { }) }:
 
     import ../generic {
       preHook =
-        if system == "i686-darwin" || system == "powerpc-darwin" || system == "x86_64-darwin" then prehookDarwin else
+        if system == "x86_64-darwin" then prehookDarwin else
         if system == "i686-freebsd" then prehookFreeBSD else
         if system == "x86_64-freebsd" then prehookFreeBSD else
         if system == "i686-openbsd" then prehookOpenBSD else
-	if system == "i686-netbsd" then prehookNetBSD else
+        if system == "i686-netbsd" then prehookNetBSD else
         prehookBase;
 
       initialPath = extraPath ++ path;
@@ -106,7 +106,7 @@ rec {
     gcc = "/no-such-path";
     fetchurl = null;
   };
-  
+
 
   gcc = import ../../build-support/gcc-wrapper {
     name = "gcc-native";
@@ -116,14 +116,14 @@ rec {
     stdenv = stdenvBoot0;
   };
 
-    
+
   fetchurl = import ../../build-support/fetchurl {
     stdenv = stdenvBoot0;
     # Curl should be in /usr/bin or so.
     curl = null;
   };
-  
-    
+
+
   # First build a stdenv based only on tools outside the store.
   stdenvBoot1 = makeStdenv {
     inherit gcc fetchurl;