1 files changed, 26 insertions, 10 deletions
diff --git a/BaseTools/Plugin/WindowsResourceCompiler/WinRcPath.py b/BaseTools/Plugin/WindowsResourceCompiler/WinRcPath.py
index ec2f2d1298..348e847fa7 100644
--- a/BaseTools/Plugin/WindowsResourceCompiler/WinRcPath.py
+++ b/BaseTools/Plugin/WindowsResourceCompiler/WinRcPath.py
@@ -6,24 +6,40 @@
 # Copyright (c) Microsoft Corporation
 # SPDX-License-Identifier: BSD-2-Clause-Patent
 ##
-import os
+import logging
 from edk2toolext.environment.plugintypes.uefi_build_plugin import IUefiBuildPlugin
 import edk2toollib.windows.locate_tools as locate_tools
 from edk2toolext.environment import shell_environment
 from edk2toolext.environment import version_aggregator
+from pathlib import Path
 
-class WinRcPath(IUefiBuildPlugin):
 
-    def do_post_build(self, thebuilder):
-        return 0
+class WinRcPath(IUefiBuildPlugin):
 
     def do_pre_build(self, thebuilder):
-        #get the locate tools module
+        # Check if the rc.exe path is already cached and still exists
+        cache_path = Path(thebuilder.ws, "Conf", ".rc_path")
+        if cache_path.exists():
+            with open(cache_path, "r") as f:
+                rc_path = Path(f.readline().strip()).absolute()
+                if (rc_path / "rc.exe").exists():
+                    logging.debug(f"Found rc.exe folder in cache: {rc_path}")
+                    self._set_path(rc_path)
+                    return 0
+
+        # If it does not exist, try to find it with FindToolInWinSdk
         path = locate_tools.FindToolInWinSdk("rc.exe")
         if path is None:
-            thebuilder.logging.warning("Failed to find rc.exe")
-        else:
-            p = os.path.abspath(os.path.dirname(path))
-            shell_environment.GetEnvironment().set_shell_var("WINSDK_PATH_FOR_RC_EXE", p)
-            version_aggregator.GetVersionAggregator().ReportVersion("WINSDK_PATH_FOR_RC_EXE", p, version_aggregator.VersionTypes.INFO)
+            logging.critical("Failed to find rc.exe")
+            return 1
+
+        path = Path(path).absolute().parent
+        self._set_path(path)
+        cache_path.unlink(missing_ok=True)
+        with cache_path.open("w") as f:
+            f.write(str(path))
         return 0
+
+    def _set_path(self, path: Path):
+        shell_environment.GetEnvironment().set_shell_var("WINSDK_PATH_FOR_RC_EXE", str(path))
+        version_aggregator.GetVersionAggregator().ReportVersion("WINSDK_PATH_FOR_RC_EXE", str(path), version_aggregator.VersionTypes.INFO)