add Linker flags

Author: Jason2866

main/CMakeLists.txt

@@ -2,8 +2,7 @@
 set(CMAKE_AR ${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar)
 set(CMAKE_RANLIB ${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib)
 
-list(APPEND compile_options "-ffat-lto-objects"
-                            "-flto-compression-level=9"
-                            "-flto=auto")
+list(APPEND compile_options "-ffat-lto-objects" "-flto-compression-level=9" "-flto=auto")
+list(APPEND CMAKE_EXE_LINKER_FLAGS "-flto -fuse-linker-plugin -ffat-lto-objects -flto-partition=max")
 
 idf_component_register(SRCS "sketch.cpp" "arduino-lib-builder-gcc.c" "arduino-lib-builder-cpp.cpp" "arduino-lib-builder-as.S" INCLUDE_DIRS ".")