From 68fcc594571bf702353cb199e78fc8e9c6d7e94a Mon Sep 17 00:00:00 2001
From: OPNA2608 <opna2608@protonmail.com>
Date: Sat, 13 Sep 2025 16:31:07 +0200
Subject: [PATCH] go_1_25: Disable CGO for powerpc64-linux target

---
 pkgs/development/compilers/go/1.25.nix | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/pkgs/development/compilers/go/1.25.nix b/pkgs/development/compilers/go/1.25.nix
index 9d7bab15e3ef..bd2426b7f721 100644
--- a/pkgs/development/compilers/go/1.25.nix
+++ b/pkgs/development/compilers/go/1.25.nix
@@ -85,7 +85,19 @@ stdenv.mkDerivation (finalAttrs: {
 
   GO386 = "softfloat"; # from Arch: don't assume sse2 on i686
   # Wasi does not support CGO
-  CGO_ENABLED = if stdenv.targetPlatform.isWasi then 0 else 1;
+  # ppc64/linux CGO is incomplete/borked, and will likely not receive any further improvements
+  # https://github.com/golang/go/issues/8912
+  # https://github.com/golang/go/issues/13192
+  CGO_ENABLED =
+    if
+      (
+        stdenv.targetPlatform.isWasi
+        || (stdenv.targetPlatform.isPower64 && stdenv.targetPlatform.isBigEndian)
+      )
+    then
+      0
+    else
+      1;
 
   GOROOT_BOOTSTRAP = "${goBootstrap}/share/go";