From 8dbcd32a50fb8f5f529eda08886fbad4e13d86d4 Mon Sep 17 00:00:00 2001
From: staphen <staphen@gmail.com>
Date: Sun, 21 Nov 2021 20:56:05 -0500
Subject: [PATCH] Adjust libmpq file I/O buffer size for 3DS

---
 3rdParty/libmpq/CMakeLists.txt | 4 ++++
 CMake/ctr/n3ds_defs.cmake      | 1 +
 2 files changed, 5 insertions(+)

diff --git a/3rdParty/libmpq/CMakeLists.txt b/3rdParty/libmpq/CMakeLists.txt
index 21b0893de..536b6e85b 100644
--- a/3rdParty/libmpq/CMakeLists.txt
+++ b/3rdParty/libmpq/CMakeLists.txt
@@ -26,3 +26,7 @@ target_include_directories(libmpq PUBLIC ${libmpq_SOURCE_DIR})
 target_include_directories(libmpq PRIVATE ${CMAKE_CURRENT_LIST_DIR})
 
 target_link_libraries(libmpq PRIVATE ZLIB::ZLIB BZip2::BZip2)
+
+if(LIBMPQ_FILE_BUFFER_SIZE)
+  target_compile_definitions(libmpq PRIVATE "LIBMPQ_FILE_BUFFER_SIZE=${LIBMPQ_FILE_BUFFER_SIZE}")
+endif()
diff --git a/CMake/ctr/n3ds_defs.cmake b/CMake/ctr/n3ds_defs.cmake
index 1b0234131..b6cd35a5a 100644
--- a/CMake/ctr/n3ds_defs.cmake
+++ b/CMake/ctr/n3ds_defs.cmake
@@ -6,6 +6,7 @@ set(DEVILUTIONX_SYSTEM_LIBFMT OFF)
 set(DEVILUTIONX_STATIC_LIBSODIUM ON)
 set(DEVILUTIONX_STATIC_LIBFMT ON)
 set(DISABLE_ZERO_TIER ON)
+set(LIBMPQ_FILE_BUFFER_SIZE 32768)
 set(USE_SDL1 ON)
 set(PREFILL_PLAYER_NAME ON)