amd-blis: add patch to make output reproducible

Fixes the datestamt to SOURCE_DATE_EPOCH

pkgs/by-name/am/amd-blis/build-date.patch

···
+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)"
+ }
+
+

pkgs/by-name/am/amd-blis/package.nix

···
     hash = "sha256-hqb/Q1CBqtC4AXqHNd7voewGUD675hJ9IwvP3Mn9b+M=";
   };
 
+  patches = [
+    # Set the date stamp to $SOURCE_DATE_EPOCH
+    ./build-date.patch
+  ];
+
   inherit blas64;
 
   nativeBuildInputs = [