From 82d40a0695e5143d2abed55d4c8499f5d9206063 Mon Sep 17 00:00:00 2001
From: Mauricio Collares <mauricio@collares.org>
Date: Fri, 27 May 2022 16:20:10 -0700
Subject: [PATCH] nauty: 27r1 -> 2.7r3

---
 pkgs/applications/science/math/nauty/default.nix | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/pkgs/applications/science/math/nauty/default.nix b/pkgs/applications/science/math/nauty/default.nix
index c435c63ab2ef..9fae8c31ea41 100644
--- a/pkgs/applications/science/math/nauty/default.nix
+++ b/pkgs/applications/science/math/nauty/default.nix
@@ -4,19 +4,24 @@
 }:
 stdenv.mkDerivation rec {
   pname = "nauty";
-  version = "27r1";
+  version = "2.7r3";
+
   src = fetchurl {
-    url = "https://pallini.di.uniroma1.it/nauty${version}.tar.gz";
-    sha256 = "0xsfqfcknbd6g6wzpa5l7crmmk3bf3zjh37rhylq6b20dqcmvjkn";
+    url = "https://pallini.di.uniroma1.it/nauty${builtins.replaceStrings ["."] [""] version}.tar.gz";
+    sha256 = "sha256-TwZltxalP3oU6irjAFnyPQZM4/5MEsATQE724e4LiMI=";
   };
+
   outputs = [ "out" "dev" ];
+
   configureFlags = [
     # Prevent nauty from sniffing some cpu features. While those are very
     # widely available, it can lead to nasty bugs when they are not available:
     # https://groups.google.com/forum/#!topic/sage-packaging/Pe4SRDNYlhA
+    "--enable-generic" # don't use -march=native
     "--${if stdenv.hostPlatform.sse4_2Support then "enable" else "disable"}-popcnt"
     "--${if stdenv.hostPlatform.sse4_aSupport then "enable" else "disable"}-clz"
   ];
+
   installPhase = ''
     mkdir -p "$out"/{bin,share/doc/nauty} "$dev"/{lib,include/nauty}
 
@@ -28,7 +33,9 @@ stdenv.mkDerivation rec {
       cp "$i" "$dev/lib/lib$i";
     done
   '';
+
   checkTarget = "checks";
+
   meta = with lib; {
     description = "Programs for computing automorphism groups of graphs and digraphs";
     license = licenses.asl20;