https://github.com/dolphin-emu/dolphin/pull/14459

From 93cec810e8c5e2a82fb205a3f5286cbdf378efb8 Mon Sep 17 00:00:00 2001
From: Alfred Wingate <parona@protonmail.com>
Date: Fri, 13 Mar 2026 18:46:24 +0200
Subject: [PATCH] FindLIBMGBA: pass the same preprocessor arguments as the
 bundled libmgba

These are required if you build against a system libmgba as well.

See-Also: 6d5e8b9ed8ced1ca180b4634fd2d36f35a34d240
Signed-off-by: Alfred Wingate <parona@protonmail.com>
--- a/CMake/FindLIBMGBA.cmake
+++ b/CMake/FindLIBMGBA.cmake
@@ -12,4 +12,5 @@ if(LIBMGBA_FOUND AND NOT mGBA::mgba)
     IMPORTED_LOCATION "${LIBMGBA_LIBRARY}"
     INTERFACE_INCLUDE_DIRECTORIES "${LIBMGBA_INCLUDE_DIR}"
   )
+  target_compile_definitions(mGBA::mgba INTERFACE HAVE_CRC32 ENABLE_VFS ENABLE_DIRECTORIES)
 endif()