From f730844b298055f662a001b6b64ff5be7316cc75 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stanis=C5=82aw=20Pitucha?= <git@viraptor.info>
Date: Mon, 22 Apr 2024 20:58:31 +1000
Subject: [PATCH] imagelol: fix darwin build

Set older standard, otherwise clang's default fails to compile it.
---
 pkgs/tools/compression/imagelol/default.nix | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/pkgs/tools/compression/imagelol/default.nix b/pkgs/tools/compression/imagelol/default.nix
index 950b12826b33..1d965dd2ca1a 100644
--- a/pkgs/tools/compression/imagelol/default.nix
+++ b/pkgs/tools/compression/imagelol/default.nix
@@ -30,7 +30,6 @@ stdenv.mkDerivation rec {
     })
   ];
 
-
   # fix for case-sensitive filesystems
   # https://github.com/MCredstoner2004/ImageLOL/issues/1
   postPatch = ''
@@ -46,7 +45,7 @@ stdenv.mkDerivation rec {
     cp ./ImageLOL $out/bin
   '';
 
-  cmakeFlags = lib.optional (stdenv.isDarwin && stdenv.isAarch64) "-DPNG_ARM_NEON=off";
+  cmakeFlags = [ (lib.cmakeFeature "CMAKE_C_FLAGS" "-std=gnu90") ] ++ lib.optional (stdenv.isDarwin && stdenv.isAarch64) "-DPNG_ARM_NEON=off";
 
   meta = with lib; {
     homepage = "https://github.com/MCredstoner2004/ImageLOL";