From 91b2fd86f34997c8842fa8fa1bf1251100292a34 Mon Sep 17 00:00:00 2001
From: ghpzin <ghpzin@gmail.com>
Date: Tue, 16 Sep 2025 20:21:59 +0300
Subject: [PATCH] unixODBCDrivers.sqlite: fix build with gcc15

- add patch from fedora fixing incompatible-pointer-types errors.

Fixes build failure with gcc15:
```
sqlite3odbc.c:4521:24: error: assignment to 'void (*)(void)'
from incompatible pointer type 'void (*)(char **)' [-Wincompatible-pointer-types]
 4521 |             s->rowfree = freerows;
      |                        ^
sqlite3odbc.c:2185:1: note: 'freerows' declared here
 2185 | freerows(char **rowp)
      | ^~~~~~~~
sqlite3odbc.c: In function 'drvtableprivileges':
sqlite3odbc.c:6173:24: error: assignment to 'void (*)(void)'
from incompatible pointer type 'void (*)(char **)' [-Wincompatible-pointer-types]
 6173 |             s->rowfree = sqlite3_free_table;
      |                        ^
In file included from sqlite3odbc.h:49,
                 from sqlite3odbc.c:25:
/nix/store/w3ibvzff0yrpg8abrl8n2fxn0d9fpfpc-sqlite-3.50.2-dev/include/sqlite3.h:3144:17:
note: 'sqlite3_free_table' declared here
 3144 | SQLITE_API void sqlite3_free_table(char **result);
      |                 ^~~~~~~~~~~~~~~~~~
sqlite3odbc.c: In function 'drvprimarykeys':
sqlite3odbc.c:6593:16: error: assignment to 'void (*)(void)' from
incompatible pointer type 'void (*)(char **)' [-Wincompatible-pointer-types]
 6593 |     s->rowfree = freerows;
      |                ^
```
---
 pkgs/development/libraries/unixODBCDrivers/default.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/pkgs/development/libraries/unixODBCDrivers/default.nix b/pkgs/development/libraries/unixODBCDrivers/default.nix
index fbef1b9ce460..9c6b657d0ee2 100644
--- a/pkgs/development/libraries/unixODBCDrivers/default.nix
+++ b/pkgs/development/libraries/unixODBCDrivers/default.nix
@@ -1,5 +1,6 @@
 {
   config,
+  fetchpatch,
   fetchurl,
   stdenv,
   unixODBC,
@@ -111,6 +112,15 @@
       sha256 = "0dgsj28sc7f7aprmdd0n5a1rmcx6pv7170c8dfjl0x1qsjxim6hs";
     };
 
+    patches = [
+      # Fix build with gcc15
+      (fetchpatch {
+        name = "sqlite-connector-odbc-fix-incompatible-pointer-compilation-error.patch";
+        url = "https://src.fedoraproject.org/rpms/sqliteodbc/raw/e3d93f5909c884fd8846b36b71ba67a3ad65da2a/f/sqliteodbc-0.99991-Fix-incompatible-pointer-compilation-error.patch";
+        hash = "sha256-IAZDujEkAyU40sKa4GC+upURNt7vplCDAx91Eeny+bU=";
+      })
+    ];
+
     buildInputs = [
       unixODBC
       sqlite