From a60e0da56302bc09573bc45fb3f86d7fb57a61a3 Mon Sep 17 00:00:00 2001
From: emilylange <git@emilylange.de>
Date: Fri, 18 Aug 2023 14:59:33 +0200
Subject: [PATCH] pythonPackages.fb-re2: fix build with new re2 release

---
 pkgs/development/python-modules/fb-re2/default.nix | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/pkgs/development/python-modules/fb-re2/default.nix b/pkgs/development/python-modules/fb-re2/default.nix
index 32a6a1d60ca1..df494068c444 100644
--- a/pkgs/development/python-modules/fb-re2/default.nix
+++ b/pkgs/development/python-modules/fb-re2/default.nix
@@ -1,5 +1,6 @@
 { lib
 , buildPythonPackage
+, fetchpatch
 , fetchPypi
 , re2
 }:
@@ -13,6 +14,16 @@ buildPythonPackage rec {
     sha256 = "83b2c2cd58d3874e6e3a784cf4cf2f1a57ce1969e50180f92b010eea24ef26cf";
   };
 
+  patches = [
+    # Bump stdlib to c++17 to fix build with recent re2
+    # https://github.com/facebook/pyre2/issues/24
+    # https://github.com/facebook/pyre2/pull/25
+    (fetchpatch {
+      url = "https://github.com/facebook/pyre2/pull/25/commits/08fb06ec3ccd412ca69483d27234684a04cb91a0.patch";
+      hash = "sha256-kzxE2AxpE1tJJK0dJgoFfVka9zy2u0HEqiHoS7DQDQ0=";
+    })
+  ];
+
   buildInputs = [ re2 ];
 
   # no tests in PyPI tarball