Only apply LTO on release

Author: EXtremeExploit

CMakeLists.txt

@@ -29,14 +29,17 @@ set(CMAKE_COMPILE_WARNING_AS_ERROR ON)
 
 add_executable(pepv src/main.cpp src/pkgs.cpp src/utils.cpp src/events.cpp)
 
-include(CheckIPOSupported)
-check_ipo_supported(RESULT supported OUTPUT error)
-
-if( supported )
-    message(STATUS "IPO / LTO enabled")
-    set_property(TARGET pepv PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
-else()
-    message(STATUS "IPO / LTO not supported: <${error}>")
+
+if(CMAKE_BUILD_TYPE STREQUAL "Release")
+    include(CheckIPOSupported)
+    check_ipo_supported(RESULT supported OUTPUT error)
+
+    if(supported)
+        message(STATUS "IPO / LTO enabled")
+        set_property(TARGET pepv PROPERTY INTERPROCEDURAL_OPTIMIZATION TRUE)
+    else()
+        message(STATUS "IPO / LTO not supported: <${error}>")
+    endif()
 endif()
 
 target_link_libraries(pepv PRIVATE ${GTK3_LIBRARIES} Tracy::TracyClient)