Sandboxed builds need a fallback value for the version of the Command Line Tools
being used. Not calling `CLTVersion()` avoids relying on absolute paths,
improving the reproducibility of non-sandboxed builds.

diff --git a/tools/gyp/pylib/gyp/xcode_emulation.py b/tools/gyp/pylib/gyp/xcode_emulation.py
index 508f6ccac3e..44bcd988c4c 100644
--- a/tools/gyp/pylib/gyp/xcode_emulation.py
+++ b/tools/gyp/pylib/gyp/xcode_emulation.py
@@ -1495,24 +1495,8 @@ def XcodeVersion():
     global XCODE_VERSION_CACHE
     if XCODE_VERSION_CACHE:
         return XCODE_VERSION_CACHE
-    version = ""
+    version = "11.0.0.0.1.1567737322"
     build = ""
-    try:
-        version_list = GetStdoutQuiet(["xcodebuild", "-version"]).splitlines()
-        # In some circumstances xcodebuild exits 0 but doesn't return
-        # the right results; for example, a user on 10.7 or 10.8 with
-        # a bogus path set via xcode-select
-        # In that case this may be a CLT-only install so fall back to
-        # checking that version.
-        if len(version_list) < 2:
-            raise GypError("xcodebuild returned unexpected results")
-        version = version_list[0].split()[-1]  # Last word on first line
-        build = version_list[-1].split()[-1]  # Last word on last line
-    except (GypError, OSError):
-        # 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!")
     # 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
 
 
--- a/deps/npm/node_modules/node-gyp/gyp/pylib/gyp/xcode_emulation.py
+++ b/deps/npm/node_modules/node-gyp/gyp/pylib/gyp/xcode_emulation.py
@@ -1495,24 +1495,8 @@ def XcodeVersion():
     global XCODE_VERSION_CACHE
     if XCODE_VERSION_CACHE:
         return XCODE_VERSION_CACHE
-    version = ""
+    version = "11.0.0.0.1.1567737322"
     build = ""
-    try:
-        version_list = GetStdoutQuiet(["xcodebuild", "-version"]).splitlines()
-        # In some circumstances xcodebuild exits 0 but doesn't return
-        # the right results; for example, a user on 10.7 or 10.8 with
-        # a bogus path set via xcode-select
-        # In that case this may be a CLT-only install so fall back to
-        # checking that version.
-        if len(version_list) < 2:
-            raise GypError("xcodebuild returned unexpected results")
-        version = version_list[0].split()[-1]  # Last word on first line
-        build = version_list[-1].split()[-1]  # Last word on last line
-    except (GypError, OSError):
-        # 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!")
     # 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