cc-wrapper: Remove stdenv.is* for targetPlatform.is*

Modify bootstrapping stdenvs to make sure `targetPlatform` also passed.

pkgs/build-support/cc-wrapper/default.nix

@@ -10,6 +10,7 @@
 , zlib ? null, extraPackages ? [], extraBuildCommands ? ""
 , dyld ? null # TODO: should this be a setup-hook on dyld?
 , isGNU ? false, isClang ? cc.isClang or false, gnugrep ? null
+, targetPlatform
 }:
 
 with stdenv.lib;
@@ -35,7 +36,7 @@ let
   # The wrapper scripts use 'cat' and 'grep', so we may need coreutils.
   coreutils_bin = if nativeTools then "" else getBin coreutils;
 
-  default_cxx_stdlib_compile=optionalString (stdenv.isLinux && !(cc.isGNU or false))
+  default_cxx_stdlib_compile=optionalString (targetPlatform.isLinux && !(cc.isGNU or false))
     "-isystem $(echo -n ${cc.gcc}/include/c++/*) -isystem $(echo -n ${cc.gcc}/include/c++/*)/$(${cc.gcc}/bin/gcc -dumpmachine)";
 in
 
@@ -78,7 +79,7 @@ stdenv.mkDerivation {
       }
     ''
 
-    + optionalString (!nativeLibc) (if (!stdenv.isDarwin) then ''
+    + optionalString (!nativeLibc) (if (!targetPlatform.isDarwin) then ''
       dynamicLinker="${libc_lib}/lib/$dynamicLinker"
       echo $dynamicLinker > $out/nix-support/dynamic-linker
 
@@ -117,7 +118,7 @@ stdenv.mkDerivation {
     ''
 
     + (if nativeTools then ''
-      ccPath="${if stdenv.isDarwin then cc else nativePrefix}/bin"
+      ccPath="${if targetPlatform.isDarwin then cc else nativePrefix}/bin"
       ldPath="${nativePrefix}/bin"
     '' else ''
       echo $cc > $out/nix-support/orig-cc
@@ -166,7 +167,7 @@ stdenv.mkDerivation {
       echo ${toString extraPackages} > $out/nix-support/propagated-native-build-inputs
     ''
 
-    + optionalString (stdenv.isSunOS && nativePrefix != "") ''
+    + optionalString (targetPlatform.isSunOS && nativePrefix != "") ''
       # Solaris needs an additional ld wrapper.
       ldPath="${nativePrefix}/bin"
       exec="$ldPath/ld"
@@ -271,7 +272,7 @@ stdenv.mkDerivation {
       (if stdenv.system == "i686-linux" then "ld-linux.so.2" else
        if stdenv.system == "x86_64-linux" then "ld-linux-x86-64.so.2" else
        # ARM with a wildcard, which can be "" or "-armhf".
-       if stdenv.isArm then "ld-linux*.so.3" else
+       if targetPlatform.isArm32 then "ld-linux*.so.3" else
        if stdenv.system == "aarch64-linux" then "ld-linux-aarch64.so.1" else
        if stdenv.system == "powerpc-linux" then "ld.so.1" else
        if stdenv.system == "mips64el-linux" then "ld.so.1" else