[lto] fix building with Clang under Ubutnu

* based off: https://stackoverflow.com/questions/73011966/unable-to-compile-c-program-with-clang-14

Signed-off-by: Caio Oliveira <caiooliveirafarias0@gmail.com>

CMakeLists.txt

@@ -197,6 +197,14 @@ CMAKE_DEPENDENT_OPTION(YUZU_CMD "Compile the eden-cli executable" ON "ENABLE_SDL
 CMAKE_DEPENDENT_OPTION(YUZU_CRASH_DUMPS "Compile crash dump (Minidump) support" OFF "WIN32 OR LINUX" OFF)
 
 option(YUZU_ENABLE_LTO "Enable link-time optimization" OFF)
+if(YUZU_ENABLE_LTO)
+    include(CheckIPOSupported)
+    check_ipo_supported(RESULT COMPILER_SUPPORTS_LTO)
+    if(NOT COMPILER_SUPPORTS_LTO)
+        message(FATAL_ERROR "LTO is not supported, disable YUZU_ENABLE_LTO!")
+    endif()
+    set(CMAKE_INTERPROCEDURAL_OPTIMIZATION ON)
+endif()
 
 option(YUZU_DOWNLOAD_TIME_ZONE_DATA "Always download time zone binaries" ON)
 

src/core/CMakeLists.txt

@@ -1274,8 +1274,4 @@ if (YUZU_USE_PRECOMPILED_HEADERS)
     target_precompile_headers(core PRIVATE precompiled_headers.h)
 endif()
 
-if (YUZU_ENABLE_LTO)
-  set_property(TARGET core PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
-endif()
-
 create_target_directory_groups(core)

src/video_core/CMakeLists.txt

@@ -399,10 +399,6 @@ if (YUZU_USE_PRECOMPILED_HEADERS)
     target_precompile_headers(video_core PRIVATE precompiled_headers.h)
 endif()
 
-if (YUZU_ENABLE_LTO)
-  set_property(TARGET video_core PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
-endif()
-
 if (ANDROID AND ARCHITECTURE_arm64)
     target_link_libraries(video_core PRIVATE adrenotools)
 endif()