From 274ec210155dd6051628a9b7e6b5583736ef486a Mon Sep 17 00:00:00 2001
From: Ivan Babrou <github@ivan.computer>
Date: Thu, 13 May 2021 19:50:31 -0700
Subject: [PATCH] gsl: cap MACOSX_DEPLOYMENT_TARGET at 10.16

---
 pkgs/development/libraries/gsl/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/development/libraries/gsl/default.nix b/pkgs/development/libraries/gsl/default.nix
index 04c8bcbbbecc..2dc47a93be3c 100644
--- a/pkgs/development/libraries/gsl/default.nix
+++ b/pkgs/development/libraries/gsl/default.nix
@@ -8,6 +8,10 @@ stdenv.mkDerivation rec {
     sha256 = "1a460zj9xmbgvcymkdhqh313c4l29mn9cffbi5vf33x3qygk70mp";
   };
 
+  preConfigure = if (lib.versionAtLeast stdenv.hostPlatform.darwinMinVersion "11" && stdenv.isDarwin) then ''
+    MACOSX_DEPLOYMENT_TARGET=10.16
+  '' else null;
+
   # do not let -march=skylake to enable FMA (https://lists.gnu.org/archive/html/bug-gsl/2011-11/msg00019.html)
   NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isx86_64 "-mno-fma";