diff --git a/pkgs/development/node-packages/default-v6.nix b/pkgs/development/node-packages/default-v6.nix
index 2be09eb163249..97f759ef0cbe8 100644
--- a/pkgs/development/node-packages/default-v6.nix
+++ b/pkgs/development/node-packages/default-v6.nix
@@ -59,6 +59,7 @@ nodePackages // {
 
   ios-deploy = nodePackages.ios-deploy.override (oldAttrs: {
     preRebuild = ''
+      LD=$CC
       tmp=$(mktemp -d)
       ln -s /usr/bin/xcodebuild $tmp
       export PATH="$PATH:$tmp"
diff --git a/pkgs/development/node-packages/default-v8.nix b/pkgs/development/node-packages/default-v8.nix
index ed0477a639a77..701648da22801 100644
--- a/pkgs/development/node-packages/default-v8.nix
+++ b/pkgs/development/node-packages/default-v8.nix
@@ -59,6 +59,7 @@ nodePackages // {
 
   ios-deploy = nodePackages.ios-deploy.override (oldAttrs: {
     preRebuild = ''
+      LD=$CC
       tmp=$(mktemp -d)
       ln -s /usr/bin/xcodebuild $tmp
       export PATH="$PATH:$tmp"
diff --git a/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix b/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix
index d9b3dfb740491..3cee697366bb7 100644
--- a/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix
+++ b/pkgs/os-specific/darwin/apple-source-releases/libiconv/default.nix
@@ -1,14 +1,18 @@
 { stdenv, appleDerivation }:
 
 appleDerivation {
-  preConfigure = "cd libiconv";
+  preConfigure = "cd libiconv"
+    + stdenv.lib.optionalString stdenv.hostPlatform.isiOS ''
+
+      sed -i 's/darwin\*/ios\*/g' configure libcharset/configure
+    '';
 
   postInstall = ''
     mv $out/lib/libiconv.dylib $out/lib/libiconv-nocharset.dylib
-    install_name_tool -id $out/lib/libiconv-nocharset.dylib $out/lib/libiconv-nocharset.dylib
+    ${stdenv.cc.bintools.targetPrefix}install_name_tool -id $out/lib/libiconv-nocharset.dylib $out/lib/libiconv-nocharset.dylib
 
     # re-export one useless symbol; ld will reject a dylib that only reexports other dylibs
-    echo 'void dont_use_this(){}' | clang -dynamiclib -x c - -current_version 2.4.0 \
+    echo 'void dont_use_this(){}' | ${stdenv.cc.bintools.targetPrefix}clang -dynamiclib -x c - -current_version 2.4.0 \
       -compatibility_version 7.0.0 -current_version 7.0.0 -o $out/lib/libiconv.dylib \
       -Wl,-reexport_library -Wl,$out/lib/libiconv-nocharset.dylib \
       -Wl,-reexport_library -Wl,$out/lib/libcharset.dylib
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index f6d3a7a5b937c..51a28dc215cba 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -10790,7 +10790,7 @@ with pkgs;
   ncurses6 = callPackage ../development/libraries/ncurses {
     abiVersion = "6";
   };
-  ncurses = ncurses6;
+  ncurses = if hostPlatform.useiOSPrebuilt then null else ncurses6;
 
   neardal = callPackage ../development/libraries/neardal { };