From 8f070821412fa683ac80cbfc522954dac4e68c2e Mon Sep 17 00:00:00 2001
From: sternenseemann <0rpkxez4ksa01gb3typccl0i@systemli.org>
Date: Fri, 7 May 2021 15:13:37 +0200
Subject: [PATCH] haskell.compiler.ghc901: build using ghc8102BinaryMinimal on
 arm

ghc8102Binary doesn't build on hydra on arm since it exceeds the maximum
output size. This change works around this issue by using the minimal
version of that compiler instead.
---
 pkgs/top-level/haskell-packages.nix | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index da70103ad6b..571fe677300 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -76,7 +76,11 @@ in {
       llvmPackages = pkgs.llvmPackages_9;
     };
     ghc901 = callPackage ../development/compilers/ghc/9.0.1.nix {
-      bootPkgs = packages.ghc8102Binary;
+      # aarch64 ghc8102Binary exceeds max output size on hydra
+      bootPkgs = if stdenv.isAarch64 || stdenv.isAarch32 then
+          packages.ghc8102BinaryMinimal
+        else
+          packages.ghc8102Binary;
       inherit (buildPackages.python3Packages) sphinx;
       buildLlvmPackages = buildPackages.llvmPackages_10;
       llvmPackages = pkgs.llvmPackages_10;