From 42073baefa3d15729563d3a1aca59f0cc2c9b033 Mon Sep 17 00:00:00 2001
From: OPNA2608 <opna2608@protonmail.com>
Date: Sat, 30 May 2026 13:19:51 +0200
Subject: [PATCH] libbacktrace: Disable mtest_minidebug test on powerpc64-linux

---
 pkgs/by-name/li/libbacktrace/package.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/pkgs/by-name/li/libbacktrace/package.nix b/pkgs/by-name/li/libbacktrace/package.nix
index 0f3abdba1ab9..2568b21be126 100644
--- a/pkgs/by-name/li/libbacktrace/package.nix
+++ b/pkgs/by-name/li/libbacktrace/package.nix
@@ -33,6 +33,15 @@ stdenv.mkDerivation {
     ./0004-libbacktrace-Support-NIX_DEBUG_INFO_DIRS-environment.patch
   ];
 
+  # https://github.com/ianlancetaylor/libbacktrace/issues/163
+  postPatch =
+    lib.optionalString
+      (stdenv.hostPlatform.isPower64 && stdenv.hostPlatform.isBigEndian && stdenv.hostPlatform.isAbiElfv1)
+      ''
+        substituteInPlace Makefile.am \
+          --replace-fail 'MAKETESTS += mtest_minidebug' '# MAKETESTS += mtest_minidebug'
+      '';
+
   nativeBuildInputs = [
     autoreconfHook
   ];