From 0c19bf42285e252ffce1c6b289d4b168aa855d36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20=C4=8Cun=C3=A1t?= <v@cunat.cz>
Date: Sat, 4 Feb 2023 15:08:32 +0100
Subject: [PATCH] openbabel2: fixup build with gcc12

This is actually the one I wanted to fix in commit ad1bdf4e77f6,
but I didn't notice that we have two attributes and expressions.
---
 pkgs/development/libraries/openbabel/2.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/openbabel/2.nix b/pkgs/development/libraries/openbabel/2.nix
index 3e989561470..0cc752d993f 100644
--- a/pkgs/development/libraries/openbabel/2.nix
+++ b/pkgs/development/libraries/openbabel/2.nix
@@ -19,6 +19,10 @@ stdenv.mkDerivation rec {
     })
   ];
 
+  postPatch = ''
+    sed '1i#include <ctime>' -i include/openbabel/obutil.h # gcc12
+  '';
+
   buildInputs = [ zlib libxml2 eigen python3 cairo pcre ];
 
   nativeBuildInputs = [ cmake pkg-config ];