From f6d7faef5805cf0426c2d1098473fac6e85c5aa9 Mon Sep 17 00:00:00 2001
From: aleksana <me@aleksana.moe>
Date: Fri, 25 Apr 2025 00:01:57 +0800
Subject: [PATCH] boost187: Fix ABI detection for empty 'os.platform'

---
 pkgs/development/libraries/boost/generic.nix | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/pkgs/development/libraries/boost/generic.nix b/pkgs/development/libraries/boost/generic.nix
index 9167e7b08c611..044070d64f6ec 100644
--- a/pkgs/development/libraries/boost/generic.nix
+++ b/pkgs/development/libraries/boost/generic.nix
@@ -233,6 +233,13 @@ stdenv.mkDerivation {
         relative = "include";
         hash = "sha256-9JvKQOAB19wQpWLNAhuB9eL8qKqXWTQHAJIXdLYMNG8=";
       })
+      # Fixes ABI detection on some platforms (like loongarch64)
+      (fetchpatch {
+        url = "https://github.com/boostorg/context/commit/63996e427b4470c7b99b0f4cafb94839ea3670b6.patch";
+        stripLen = 1;
+        extraPrefix = "libs/context/";
+        hash = "sha256-Z8uw2+4IEybqVcU25i/0XJKS16hi/+3MXUxs53ghjL0=";
+      })
     ];
 
   meta = with lib; {