diff -ur node-chakracore-node-v10.13.0/tools/gyp/pylib/gyp/xcode_emulation.py node-chakracore-node-v10.13.0+iPhone/tools/gyp/pylib/gyp/xcode_emulation.py
--- node-chakracore-node-v10.13.0/tools/gyp/pylib/gyp/xcode_emulation.py	2018-11-17 00:31:08.000000000 +0000
+++ node-chakracore-node-v10.13.0+iPhone/tools/gyp/pylib/gyp/xcode_emulation.py	2019-05-16 21:41:49.953754405 +0000
@@ -500,9 +500,10 @@
       pass
 
   def _SdkRoot(self, configname):
-    if configname is None:
-      configname = self.configname
-    return self.GetPerConfigSetting('SDKROOT', configname, default='')
+    return ''
+#    if configname is None:
+#      configname = self.configname
+#    return self.GetPerConfigSetting('SDKROOT', configname, default='')
 
   def _XcodePlatformPath(self, configname=None):
     sdk_root = self._SdkRoot(configname)
@@ -527,16 +528,17 @@
     return XcodeSettings._sdk_path_cache[sdk_root]
 
   def _AppendPlatformVersionMinFlags(self, lst):
-    self._Appendf(lst, 'MACOSX_DEPLOYMENT_TARGET', '-mmacosx-version-min=%s')
-    if 'IPHONEOS_DEPLOYMENT_TARGET' in self._Settings():
-      # TODO: Implement this better?
-      sdk_path_basename = os.path.basename(self._SdkPath())
-      if sdk_path_basename.lower().startswith('iphonesimulator'):
-        self._Appendf(lst, 'IPHONEOS_DEPLOYMENT_TARGET',
-                      '-mios-simulator-version-min=%s')
-      else:
-        self._Appendf(lst, 'IPHONEOS_DEPLOYMENT_TARGET',
-                      '-miphoneos-version-min=%s')
+     True
+#    self._Appendf(lst, 'MACOSX_DEPLOYMENT_TARGET', '-mmacosx-version-min=%s')
+#    if 'IPHONEOS_DEPLOYMENT_TARGET' in self._Settings():
+#      # TODO: Implement this better?
+#      sdk_path_basename = os.path.basename(self._SdkPath())
+#      if sdk_path_basename.lower().startswith('iphonesimulator'):
+#        self._Appendf(lst, 'IPHONEOS_DEPLOYMENT_TARGET',
+#                      '-mios-simulator-version-min=%s')
+#      else:
+#        self._Appendf(lst, 'IPHONEOS_DEPLOYMENT_TARGET',
+#                      '-miphoneos-version-min=%s')
 
   def GetCflags(self, configname, arch=None):
     """Returns flags that need to be added to .c, .cc, .m, and .mm
@@ -548,8 +550,8 @@
     cflags = []
 
     sdk_root = self._SdkPath()
-    if 'SDKROOT' in self._Settings() and sdk_root:
-      cflags.append('-isysroot %s' % sdk_root)
+#    if 'SDKROOT' in self._Settings() and sdk_root:
+#      cflags.append('-isysroot %s' % sdk_root)
 
     if self.header_map_path:
       cflags.append('-I%s' % self.header_map_path)
@@ -873,8 +875,8 @@
 
     self._AppendPlatformVersionMinFlags(ldflags)
 
-    if 'SDKROOT' in self._Settings() and self._SdkPath():
-      ldflags.append('-isysroot ' + self._SdkPath())
+#    if 'SDKROOT' in self._Settings() and self._SdkPath():
+#      ldflags.append('-isysroot ' + self._SdkPath())
 
     for library_path in self._Settings().get('LIBRARY_SEARCH_PATHS', []):
       ldflags.append('-L' + gyp_to_build_path(library_path))
@@ -1407,7 +1409,8 @@
     if version:
       version = re.match(r'(\d+\.\d+\.?\d*)', version).groups()[0]
     else:
-      raise GypError("No Xcode or CLT version detected!")
+      version = '10.6'
+#      raise GypError("No Xcode or CLT version detected!")
     # The CLT has no build information, so we return an empty string.
     version_list = [version, '']
   version = version_list[0]