From 32fdd7a9fd6b9d7a4d6a67d749d1235ef4a184b7 Mon Sep 17 00:00:00 2001
From: Dmitry Kalinkin <dmitry.kalinkin@gmail.com>
Date: Thu, 23 Dec 2021 00:14:26 -0500
Subject: [PATCH] gd: add --enable-gd-formats

fixes "GD Warning: GD2 image support has been disabled"
for example in perl5Packages.GD
---
 pkgs/development/libraries/gd/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/development/libraries/gd/default.nix b/pkgs/development/libraries/gd/default.nix
index 983ec33cdbdf..cd971b291b98 100644
--- a/pkgs/development/libraries/gd/default.nix
+++ b/pkgs/development/libraries/gd/default.nix
@@ -32,8 +32,12 @@ stdenv.mkDerivation rec {
 
   hardeningDisable = [ "format" ];
 
-  # -pthread gets passed to clang, causing warnings
-  configureFlags = lib.optional stdenv.isDarwin "--enable-werror=no";
+  configureFlags =
+    [
+      "--enable-gd-formats"
+    ]
+    # -pthread gets passed to clang, causing warnings
+    ++ lib.optional stdenv.isDarwin "--enable-werror=no";
 
   nativeBuildInputs = [ autoconf automake pkg-config ];