diff --git a/src/BUILD b/src/BUILD
index 879736d..2612be2 100644
--- a/src/BUILD
+++ b/src/BUILD
@@ -67,6 +67,25 @@
           """,
 )
 
+filegroup(
+    name = "darwin_tools",
+    srcs = [
+        "//src/tools/xcode/actoolwrapper:actoolwrapper",
+        "//src/tools/xcode/ibtoolwrapper:ibtoolwrapper",
+        "//src/tools/xcode/momcwrapper:momcwrapper",
+        "//src/tools/xcode/swiftstdlibtoolwrapper:swiftstdlibtoolwrapper",
+        "//src/tools/xcode/environment:environment_plist",
+        "//src/tools/xcode/xcrunwrapper:xcrunwrapper",
+        "//src/objc_tools/bundlemerge:bundlemerge_deploy.jar",
+        "//src/objc_tools/plmerge:plmerge_deploy.jar",
+        "//src/objc_tools/xcodegen:xcodegen_deploy.jar",
+        "//src/tools/xcode/realpath:realpath",
+    ] + select({
+        ":iphonesdk": ["//src/tools/xcode/stdredirect:StdRedirect.dylib"],
+        "//conditions:default": [],
+    }),
+)
+
 genrule(
     name = "embedded_tools",
     srcs = [
@@ -84,7 +103,11 @@
         "//src/java_tools/singlejar:SingleJar_deploy.jar",
         "//src/java_tools/buildjar/java/com/google/devtools/build/buildjar/genclass:GenClass_deploy.jar",
         "//third_party/ijar",
-    ],
+    ] + select({
+        ":darwin": [":darwin_tools"],
+        ":darwin_x86_64": [":darwin_tools"],
+        "//conditions:default": [],
+    }),
     outs = ["embedded_tools.zip"],
     cmd = "$(location :create_embedded_tools.sh) $@ $(SRCS)",
 )
@@ -148,6 +171,12 @@
 )
 
 config_setting(
+    name = "iphonesdk",
+    values = {"define": "IPHONE_SDK=1"},
+    visibility = ["//visibility:public"],
+)
+
+config_setting(
     name = "freebsd",
     values = {"cpu": "freebsd"},
     visibility = ["//visibility:public"],