From 2253c1d7c756c0ad9c577995d4a4a3fc29b21a10 Mon Sep 17 00:00:00 2001
From: Tad Hardesty <tad@platymuus.com>
Date: Wed, 3 Jun 2026 15:26:53 -0700
Subject: [PATCH] cmTransformDepfile: Fix processing filenames with `$` and `#`
 in them

---
 Source/cmTransformDepfile.cxx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Source/cmTransformDepfile.cxx b/Source/cmTransformDepfile.cxx
index e043a58c75..63d2fe4f4c 100644
--- a/Source/cmTransformDepfile.cxx
+++ b/Source/cmTransformDepfile.cxx
@@ -26,6 +26,12 @@ void WriteFilenameGcc(cmsys::ofstream& fout, std::string const& filename)
 {
   for (auto c : filename) {
     switch (c) {
+      case '$':
+        fout << "$$";
+        break;
+      case '#':
+        fout << "\\#";
+        break;
       case ' ':
         fout << "\\ ";
         break;