From 4c3528ada3a85098a26681c3f360297501ccd7cd Mon Sep 17 00:00:00 2001
From: Peder Bergebakken Sundt <pbsds@hotmail.com>
Date: Wed, 14 Jan 2026 02:17:12 +0100
Subject: [PATCH] gnu-cim: fix build with CFLAG

---
 pkgs/by-name/gn/gnu-cim/package.nix | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/pkgs/by-name/gn/gnu-cim/package.nix b/pkgs/by-name/gn/gnu-cim/package.nix
index cdf0583d5bf6..fe2339f27a1a 100644
--- a/pkgs/by-name/gn/gnu-cim/package.nix
+++ b/pkgs/by-name/gn/gnu-cim/package.nix
@@ -29,13 +29,7 @@ stdenv.mkDerivation rec {
     done
   '';
 
-  # lib.escapeShellArgs does not work
-  env.CFLAGS = lib.concatStringsSep " " [
-    "-Wno-error=implicit-function-declaration"
-    "-Wno-error=implicit-int"
-    "-Wno-error=return-mismatch"
-    "-Wno-error=incompatible-pointer-types"
-  ];
+  env.CFLAGS = "-std=gnu89";
 
   doCheck = true;