From 87d7169f5ce581372118a387748a503b740637c8 Mon Sep 17 00:00:00 2001
From: Vincenzo Mantova <1962985+xworld21@users.noreply.github.com>
Date: Sun, 5 Nov 2023 19:46:28 +0000
Subject: [PATCH] ghostscript: pad headers at link time to prevent
 install_name_tool failure on Darwin (#263833)

---
 pkgs/misc/ghostscript/default.nix | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/pkgs/misc/ghostscript/default.nix b/pkgs/misc/ghostscript/default.nix
index 013a35806267..b85e162efb72 100644
--- a/pkgs/misc/ghostscript/default.nix
+++ b/pkgs/misc/ghostscript/default.nix
@@ -122,7 +122,10 @@ stdenv.mkDerivation rec {
   doCheck = false;
 
   # don't build/install statically linked bin/gs
-  buildFlags = [ "so" ];
+  buildFlags = [ "so" ]
+    # without -headerpad, the following error occurs on Darwin when compiling with X11 support (as of 10.02.0)
+    # error: install_name_tool: changing install names or rpaths can't be redone for: [...]libgs.dylib.10 (the program must be relinked, and you may need to use -headerpad or -headerpad_max_install_names)
+    ++ lib.optional (x11Support && stdenv.isDarwin) "LDFLAGS=-headerpad_max_install_names";
   installTargets = [ "soinstall" ];
 
   postInstall = ''