From 679615d3f2b9573750284e851e9accaf4d4d2d79 Mon Sep 17 00:00:00 2001
From: TomaSajt <62384384+TomaSajt@users.noreply.github.com>
Date: Fri, 2 Jan 2026 19:55:54 +0100
Subject: [PATCH] libiodbc: fix build with gcc15

---
 pkgs/by-name/li/libiodbc/package.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkgs/by-name/li/libiodbc/package.nix b/pkgs/by-name/li/libiodbc/package.nix
index 5a699674b787..93c3ac3b9fc5 100644
--- a/pkgs/by-name/li/libiodbc/package.nix
+++ b/pkgs/by-name/li/libiodbc/package.nix
@@ -24,6 +24,10 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ pkg-config ];
   buildInputs = lib.optionals useGTK [ gtk2 ];
 
+  # temporary workaround for compile error with GCC 15
+  # https://github.com/openlink/iODBC/issues/113
+  env.NIX_CFLAGS_COMPILE = "-std=gnu17";
+
   preBuild = ''
     export NIX_LDFLAGS_BEFORE="-rpath $out/lib"
   '';