From 4d46f4a3a751e58aada8d922654712cb5e3bac7f Mon Sep 17 00:00:00 2001
From: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>
Date: Sat, 1 Jul 2023 13:22:41 +0300
Subject: [PATCH] Make LTO a proper CMake option

---
 CMakeLists.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index ba42e27c..b7310d95 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,6 +14,7 @@ project(Alber)
 set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR})
 
 option(GPU_DEBUG_INFO "Enable additional GPU debugging info" OFF)
+option(ENABLE_LTO "Enable link-time optimization" OFF)
 
 include_directories(${PROJECT_SOURCE_DIR}/include/)
 include_directories(${PROJECT_SOURCE_DIR}/include/kernel)
@@ -158,8 +159,9 @@ source_group("Source Files\\Third Party" FILES ${THIRD_PARTY_SOURCE_FILES})
 add_executable(Alber ${SOURCE_FILES} ${FS_SOURCE_FILES} ${CRYPTO_SOURCE_FILES} ${KERNEL_SOURCE_FILES} ${LOADER_SOURCE_FILES} ${SERVICE_SOURCE_FILES}
 ${PICA_SOURCE_FILES} ${RENDERER_GL_SOURCE_FILES} ${THIRD_PARTY_SOURCE_FILES} ${HEADER_FILES})
 
-# Uncomment to enable LTO
-# set_target_properties(Alber PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
+if(ENABLE_LTO)
+  set_target_properties(Alber PROPERTIES INTERPROCEDURAL_OPTIMIZATION TRUE)
+endif()
 
 target_link_libraries(Alber PRIVATE dynarmic SDL2-static glad cryptopp)