diff -Naur node-v12.17.0/tools/gyp/pylib/gyp/xcode_emulation.py node-v12.17.0+iPhone/tools/gyp/pylib/gyp/xcode_emulation.py
--- node-v12.17.0/tools/gyp/pylib/gyp/xcode_emulation.py	2020-05-26 04:53:35.000000000 -0700
+++ node-v12.17.0+iPhone/tools/gyp/pylib/gyp/xcode_emulation.py	2020-05-27 20:15:11.000000000 -0700
@@ -504,9 +504,10 @@
       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)
@@ -531,16 +532,17 @@
     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
@@ -552,8 +554,8 @@
     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)
@@ -877,8 +879,8 @@
 
     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))
@@ -1414,7 +1416,7 @@
   except GypError:  # Xcode not installed so look for XCode Command Line Tools
     version = CLTVersion()  # macOS Catalina returns 11.0.0.0.1.1567737322
     if not version:
-      raise GypError("No Xcode or CLT version detected!")
+      version = '10.6'
   # Be careful to convert "4.2.3" to "0423" and "11.0.0" to "1100":
   version = version.split(".")[:3]  # Just major, minor, micro
   version[0] = version[0].zfill(2)  # Add a leading zero if major is one digit