From 3b177c08a0fe1700b1924337a6b0689e6d4db39b Mon Sep 17 00:00:00 2001
From: "Bernhard M. Wiedemann" <bwiedemann@suse.de>
Date: Thu, 9 Oct 2025 11:21:53 +0200
Subject: [PATCH] Add reproducible.patch for reproducible builds

---
 reproducible.patch | 18 ++++++++++++++++++
 rocclr.spec        |  2 ++
 2 files changed, 20 insertions(+)
 create mode 100644 reproducible.patch

diff --git a/reproducible.patch b/reproducible.patch
new file mode 100644
index 0000000..5dc3eb2
--- /dev/null
+++ b/reproducible.patch
@@ -0,0 +1,18 @@
+Avoid adding randomness into hip_pch.o
+
+via
+/usr/lib64/rocm/llvm/lib/cmake/llvm/../../../bin/llvm-mc -o hip_pch.o /tmp/hip_pch.$PID/hip_pch.mcin --filetype=obj
+
+diff --git a/hipamd/src/hip_embed_pch.sh b/hipamd/src/hip_embed_pch.sh
+index 6c92d43..0a15078 100755
+--- a/hipamd/src/hip_embed_pch.sh
++++ b/hipamd/src/hip_embed_pch.sh
+@@ -100,7 +100,7 @@ EOF
+ }
+ 
+ generate_pch() {
+-  tmp=$tmpdir/hip_pch.$$
++  tmp=$tmpdir/hip_pch.x
+   mkdir -p $tmp
+ 
+   create_hip_macro_file $tmp/hip_macros.h
diff --git a/rocclr.spec b/rocclr.spec
index 3bc57c0..37a987d 100644
--- a/rocclr.spec
+++ b/rocclr.spec
@@ -91,6 +91,8 @@ Source1:        https://github.com/ROCm-Developer-Tools/HIP/archive/refs/tags/ro
 
 # a fix for building blender
 Patch8:         0001-add-long-variants-for-__ffsll.patch
+# Fix for reproducible builds
+Patch9:         reproducible.patch
 
 #https://github.com/ROCm/clr/pull/97
 patch10:        %{url}/pull/97/commits/909fa3dcb644f7ca422ed1a980a54ac426d831b1.patch
-- 
2.51.1