From 99dad401f1aab813c5ea6e90b77b008b3a27f2e6 Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@gmail.com>
Date: Wed, 1 Oct 2025 13:21:24 +0200
Subject: [PATCH 1/2] amd-blis: cleanup, refactor

* use finalAttrs
* remove `wiht lib;` from meta
* update comments
---
 pkgs/by-name/am/amd-blis/package.nix | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/pkgs/by-name/am/amd-blis/package.nix b/pkgs/by-name/am/amd-blis/package.nix
index 65106043809c..a6c7a2a2f4f7 100644
--- a/pkgs/by-name/am/amd-blis/package.nix
+++ b/pkgs/by-name/am/amd-blis/package.nix
@@ -10,7 +10,7 @@
 
   # Target architecture. "amdzen" compiles kernels for all Zen
   # generations. To build kernels for specific Zen generations,
-  # use "zen", "zen2", "zen3", or "zen4".
+  # use "zen", "zen2", "zen3", "zen4", or "zen5".
   withArchitecture ? "amdzen",
 
   # Enable OpenMP-based threading.
@@ -22,14 +22,14 @@ let
   blasIntSize = if blas64 then "64" else "32";
 
 in
-stdenv.mkDerivation rec {
+stdenv.mkDerivation (finalAttrs: {
   pname = "amd-blis";
   version = "5.1";
 
   src = fetchFromGitHub {
     owner = "amd";
     repo = "blis";
-    rev = version;
+    rev = finalAttrs.version;
     hash = "sha256-hqb/Q1CBqtC4AXqHNd7voewGUD675hJ9IwvP3Mn9b+M=";
   };
 
@@ -66,11 +66,11 @@ stdenv.mkDerivation rec {
     ln -s $out/lib/libcblas.so.3 $out/lib/libcblas.so
   '';
 
-  meta = with lib; {
+  meta = {
     description = "BLAS-compatible library optimized for AMD CPUs";
     homepage = "https://developer.amd.com/amd-aocl/blas-library/";
-    license = licenses.bsd3;
-    maintainers = [ maintainers.markuskowa ];
+    license = lib.licenses.bsd3;
+    maintainers = [ lib.maintainers.markuskowa ];
     platforms = [ "x86_64-linux" ];
   };
-}
+})

From 4ae04e17c9a0fc7d053894fdec9c09984162c368 Mon Sep 17 00:00:00 2001
From: Markus Kowalewski <markus.kowalewski@gmail.com>
Date: Wed, 1 Oct 2025 13:22:17 +0200
Subject: [PATCH 2/2] amd-blis: add patch to make output reproducible

Fixes the datestamt to SOURCE_DATE_EPOCH
---
 pkgs/by-name/am/amd-blis/build-date.patch | 13 +++++++++++++
 pkgs/by-name/am/amd-blis/package.nix      |  5 +++++
 2 files changed, 18 insertions(+)
 create mode 100644 pkgs/by-name/am/amd-blis/build-date.patch

diff --git a/pkgs/by-name/am/amd-blis/build-date.patch b/pkgs/by-name/am/amd-blis/build-date.patch
new file mode 100644
index 000000000000..7b0e11f4f0f3
--- /dev/null
+++ b/pkgs/by-name/am/amd-blis/build-date.patch
@@ -0,0 +1,13 @@
+diff --git a/configure b/configure
+index d96114619..119040151 100755
+--- a/configure
++++ b/configure
+@@ -1913,7 +1913,7 @@ set_default_version()
+ 	echo "${script_name}: determining default version string."
+
+ 	# Use what's in the version file as-is.
+-	version="AOCL-BLAS $(cat "${version_file}") Build $(date +%Y%m%d)"
++	version="AOCL-BLAS $(cat "${version_file}") Build $(date -d "@$SOURCE_DATE_EPOCH" +%Y%m%d)"
+ }
+
+
diff --git a/pkgs/by-name/am/amd-blis/package.nix b/pkgs/by-name/am/amd-blis/package.nix
index a6c7a2a2f4f7..0e59a24ed3f6 100644
--- a/pkgs/by-name/am/amd-blis/package.nix
+++ b/pkgs/by-name/am/amd-blis/package.nix
@@ -33,6 +33,11 @@ stdenv.mkDerivation (finalAttrs: {
     hash = "sha256-hqb/Q1CBqtC4AXqHNd7voewGUD675hJ9IwvP3Mn9b+M=";
   };
 
+  patches = [
+    # Set the date stamp to $SOURCE_DATE_EPOCH
+    ./build-date.patch
+  ];
+
   inherit blas64;
 
   nativeBuildInputs = [