From eed6207e96b7fa62d624e259bd6da00976a6701b Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Mon, 29 May 2023 22:13:37 +0100
Subject: [PATCH] abseil-cpp: backport gcc-13 fix

Without the change `abseil-cpp` build fails on `gcc-13` as:

    /build/abseil-cpp/absl/strings/internal/str_format/extension.h:34:33:
      error: found ':' in nested-name-specifier, expected '::'
       34 | enum class FormatConversionChar : uint8_t;
          |                                 ^
          |                                 ::
---
 pkgs/development/libraries/abseil-cpp/202103.nix | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/pkgs/development/libraries/abseil-cpp/202103.nix b/pkgs/development/libraries/abseil-cpp/202103.nix
index 1c75853f52203..712f89e383fff 100644
--- a/pkgs/development/libraries/abseil-cpp/202103.nix
+++ b/pkgs/development/libraries/abseil-cpp/202103.nix
@@ -25,6 +25,14 @@ stdenv.mkDerivation rec {
       url = "https://github.com/abseil/abseil-cpp/commit/5bfa70c75e621c5d5ec095c8c4c0c050dcb2957e.patch";
       sha256 = "0nhjxqfxpi2pkfinnqvd5m4npf9l1kg39mjx9l3087ajhadaywl5";
     })
+
+    # Bacport gcc-13 fix:
+    #   https://github.com/abseil/abseil-cpp/pull/1187
+    (fetchpatch {
+      name = "gcc-13.patch";
+      url = "https://github.com/abseil/abseil-cpp/commit/36a4b073f1e7e02ed7d1ac140767e36f82f09b7c.patch";
+      hash = "sha256-aA7mwGEtv/cQINcawjkukmCvfNuqwUeDFssSiNKPdgg=";
+    })
   ] ++ lib.optionals stdenv.hostPlatform.isLoongArch64 [
     # https://github.com/abseil/abseil-cpp/pull/1110
     (fetchpatch {