uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/os-specific/darwin/apple-sdk-11.0/libSystem.nix

@@ -0,0 +1,78 @@
+{ stdenvNoCC, buildPackages, MacOSX-SDK }:
+
+stdenvNoCC.mkDerivation {
+  pname = "libSystem";
+  version = MacOSX-SDK.version;
+
+  dontBuild = true;
+  dontUnpack = true;
+
+  nativeBuildInputs = [ buildPackages.darwin.rewrite-tbd ];
+
+  includeDirs = [
+    "CommonCrypto" "_types" "architecture" "arpa" "atm" "bank" "bsd" "bsm"
+    "corecrypto" "corpses" "default_pager" "device" "dispatch" "hfs" "i386"
+    "iokit" "kern" "libkern" "mach" "mach-o" "mach_debug" "machine" "malloc"
+    "miscfs" "net" "netinet" "netinet6" "netkey" "nfs" "os" "osfmk" "pexpert"
+    "platform" "protocols" "pthread" "rpc" "rpcsvc" "secure" "security"
+    "servers" "sys" "uuid" "vfs" "voucher" "xlocale"
+  ] ++ [
+    "arm" "xpc" "arm64"
+  ];
+
+  csu = [
+    "bundle1.o" "crt0.o" "crt1.10.5.o" "crt1.10.6.o" "crt1.o" "dylib1.10.5.o"
+    "dylib1.o" "gcrt1.o" "lazydylib1.o"
+  ];
+
+  installPhase = ''
+    mkdir -p $out/{include,lib}
+
+    for dir in $includeDirs; do
+      from=${MacOSX-SDK}/usr/include/$dir
+      if [ -e "$from" ]; then
+        cp -dr $from $out/include
+      else
+        echo "Header directory '$from' doesn't exist: skipping"
+      fi
+    done
+
+    cp -d \
+      ${MacOSX-SDK}/usr/include/*.h \
+      $out/include
+
+    rm $out/include/tk*.h $out/include/tcl*.h
+
+    cp -dr \
+      ${MacOSX-SDK}/usr/lib/libSystem.* \
+      ${MacOSX-SDK}/usr/lib/system \
+      $out/lib
+
+    # Extra libraries
+    for name in c dbm dl info m mx poll proc pthread rpcsvc util gcc_s.1 resolv; do
+      cp -d \
+        ${MacOSX-SDK}/usr/lib/lib$name.tbd \
+        ${MacOSX-SDK}/usr/lib/lib$name.*.tbd \
+        $out/lib
+    done
+
+    for f in $csu; do
+      from=${MacOSX-SDK}/usr/lib/$f
+      if [ -e "$from" ]; then
+        cp -d $from $out/lib
+      else
+        echo "Csu file '$from' doesn't exist: skipping"
+      fi
+    done
+
+    chmod u+w -R $out/lib
+    find $out -name '*.tbd' -type f | while read tbd; do
+      rewrite-tbd \
+        -c /usr/lib/libsystem.dylib:$out/lib/libsystem.dylib \
+        -p /usr/lib/system/:$out/lib/system/ \
+        -r ${builtins.storeDir} \
+        "$tbd"
+    done
+  '';
+}
+