From bed5e75287ba700d2b9a3faa748e0eea1b0ebb69 Mon Sep 17 00:00:00 2001
From: Sergei Trofimovich <slyich@gmail.com>
Date: Mon, 28 Nov 2022 19:35:28 +0000
Subject: [PATCH] julia: backport test tweak for mpfr-4.1.1

Without the change `julia` test fails on `staging-next` as:

    Error in testset MPFR_jll:
    Test Failed at /build/julia-1.8.3/usr/share/julia/stdlib/v1.8/MPFR_jll/test/runtests.jl:7
      Expression: vn == v"4.1.0"
       Evaluated: v"4.1.1" == v"4.1.0"
    ERROR: LoadError: Test run finished with errors
---
 pkgs/development/compilers/julia/1.8.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/development/compilers/julia/1.8.nix b/pkgs/development/compilers/julia/1.8.nix
index f8b0daa1ace7..1c614103bdec 100644
--- a/pkgs/development/compilers/julia/1.8.nix
+++ b/pkgs/development/compilers/julia/1.8.nix
@@ -1,6 +1,7 @@
 { lib
 , stdenv
 , fetchurl
+, fetchpatch
 , which
 , python3
 , gfortran
@@ -40,6 +41,15 @@ stdenv.mkDerivation rec {
       path = name: "https://raw.githubusercontent.com/archlinux/svntogit-community/6fd126d089d44fdc875c363488a7c7435a223cec/trunk/${name}";
     in
     [
+      # Pull upstream fix to fix tests mpfr-4.1.1
+      #   https://github.com/JuliaLang/julia/pull/47659
+      (fetchpatch {
+        name = "mfr-4.1.1.patch";
+        url = "https://github.com/JuliaLang/julia/commit/59965205ccbdffb4e25e1b60f651ca9df79230a4.patch";
+        hash = "sha256-QJ5wxZMhz+or8BqcYv/5fNSTxDAvdSizTYqt7630kcw=";
+        includes = [ "stdlib/MPFR_jll/test/runtests.jl" ];
+      })
+
       (fetchurl {
         url = path "julia-hardcoded-libs.patch";
         sha256 = "sha256-kppSpVA7bRohd0wXDs4Jgct9ocHnpbeiiSz7ElFom1U=";