From 4397f7078ed615c79e89d902e42ca0738133bb8d Mon Sep 17 00:00:00 2001
From: sternenseemann <sternenseemann@systemli.org>
Date: Wed, 24 Nov 2021 17:07:57 +0100
Subject: [PATCH] pkgsMusl.haskell.compiler.ghc884: return accurate platforms

(cherry picked from commit b2c2215f606426a8bc8368b344f14a5123f14f3c)
---
 pkgs/development/compilers/ghc/8.8.4.nix | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/compilers/ghc/8.8.4.nix b/pkgs/development/compilers/ghc/8.8.4.nix
index a5ef8b857167..e0f6c84637b2 100644
--- a/pkgs/development/compilers/ghc/8.8.4.nix
+++ b/pkgs/development/compilers/ghc/8.8.4.nix
@@ -347,8 +347,15 @@ stdenv.mkDerivation (rec {
     timeout = 24 * 3600;
     inherit (ghc.meta) license;
     # hardcode platforms because the bootstrap GHC differs depending on the platform,
-    # with differing platforms available for each of them
-    platforms = ["x86_64-linux" "aarch64-linux" "i686-linux" "x86_64-darwin"];
+    # with differing platforms available for each of them; See HACK comment in
+    # 8.10.2-binary.nix for an explanation of the musl special casing.
+    platforms = [
+      "x86_64-linux"
+    ] ++ lib.optionals (!hostPlatform.isMusl) [
+      "i686-linux"
+      "aarch64-linux"
+      "x86_64-darwin"
+    ];
     # integer-simple builds are broken with musl when bootstrapping using
     # GHC 8.10.2 and below, however it is not possible to reverse bootstrap
     # GHC 8.8.4 with GHC 8.10.7.