disabled LTO, causing issues

CMakeLists.txt

@@ -69,9 +69,7 @@ add_compile_options(
     -Wall
     -Wextra
     -Wpedantic
-    -Wno-unused-parameter
-    -flto=8
-)
+    -Wno-unused-parameter)
 
 add_link_options(
     -T${linker_script_SRC}
@@ -86,7 +84,6 @@ add_link_options(
     -lstdc++
     -lsupc++
     -Wl,--end-group
-    -flto=8
     -Wl,-z,max-page-size=8 # Allow good software remapping across address space (with proper GCC section making)
     -Wl,--print-memory-usage
 )
@@ -161,3 +158,6 @@ add_custom_command(TARGET ${CMAKE_PROJECT_NAME} POST_BUILD
     COMMAND ${CMAKE_OBJCOPY} -O ihex $<TARGET_FILE:${CMAKE_PROJECT_NAME}> ${CMAKE_PROJECT_NAME}.hex
     COMMAND ${CMAKE_OBJCOPY} -O binary $<TARGET_FILE:${CMAKE_PROJECT_NAME}> ${CMAKE_PROJECT_NAME}.bin
 )
+
+
+add_subdirectory(tools)