mirror of
https://github.com/alexandrebobkov/ESP-Nodes.git
synced 2025-10-31 03:59:52 +00:00
85 lines
3.5 KiB
CMake
85 lines
3.5 KiB
CMake
if(CONFIG_CU_GCC_LTO_ENABLE)
|
|
# Enable cmake interprocedural optimization(IPO) support to check if GCC supports link time optimization(LTO)
|
|
cmake_policy(SET CMP0069 NEW)
|
|
include(CheckIPOSupported)
|
|
|
|
# Compare to "ar" and "ranlib", "gcc-ar" and "gcc-ranlib" integrate GCC LTO plugin
|
|
set(CMAKE_AR ${_CMAKE_TOOLCHAIN_PREFIX}gcc-ar)
|
|
set(CMAKE_RANLIB ${_CMAKE_TOOLCHAIN_PREFIX}gcc-ranlib)
|
|
|
|
macro(cu_gcc_lto_set)
|
|
check_ipo_supported(RESULT result)
|
|
if(result)
|
|
message(STATUS "GCC link time optimization(LTO) is enable")
|
|
|
|
set(multi_value COMPONENTS DEPENDS)
|
|
cmake_parse_arguments(LTO "" "" "${multi_value}" ${ARGN})
|
|
|
|
# Use full format LTO object file
|
|
set(GCC_LTO_OBJECT_TYPE "-ffat-lto-objects")
|
|
# Set compression level 9(min:0, max:9)
|
|
set(GCC_LTO_COMPRESSION_LEVEL "-flto-compression-level=9")
|
|
# Set partition level max to removed used symbol
|
|
set(GCC_LTO_PARTITION_LEVEL "-flto-partition=max")
|
|
|
|
# Set mode "auto" to increase compiling speed
|
|
set(GCC_LTO_COMPILE_OPTIONS "-flto=auto"
|
|
${GCC_LTO_OBJECT_TYPE}
|
|
${GCC_LTO_COMPRESSION_LEVEL})
|
|
|
|
# Enable GCC LTO and plugin when linking stage
|
|
set(GCC_LTO_LINK_OPTIONS "-flto"
|
|
"-fuse-linker-plugin"
|
|
${GCC_LTO_OBJECT_TYPE}
|
|
${GCC_LTO_PARTITION_LEVEL})
|
|
|
|
message(STATUS "GCC LTO for components: ${LTO_COMPONENTS}")
|
|
foreach(c ${LTO_COMPONENTS})
|
|
idf_component_get_property(t ${c} COMPONENT_LIB)
|
|
target_compile_options(${t} PRIVATE ${GCC_LTO_COMPILE_OPTIONS})
|
|
endforeach()
|
|
|
|
message(STATUS "GCC LTO for dependencies: ${LTO_DEPENDS}")
|
|
foreach(d ${LTO_DEPENDS})
|
|
target_compile_options(${d} PRIVATE ${GCC_LTO_COMPILE_OPTIONS})
|
|
endforeach()
|
|
|
|
if("${IDF_VERSION_MAJOR}.${IDF_VERSION_MINOR}" VERSION_GREATER_EQUAL "4.4")
|
|
target_link_libraries(${project_elf} PRIVATE ${GCC_LTO_LINK_OPTIONS})
|
|
else()
|
|
target_link_libraries(${project_elf} ${GCC_LTO_LINK_OPTIONS})
|
|
endif()
|
|
else()
|
|
message(FATAL_ERROR "GCC link time optimization(LTO) is not supported")
|
|
endif()
|
|
endmacro()
|
|
else()
|
|
macro(cu_gcc_lto_set)
|
|
message(STATUS "GCC link time optimization(LTO) is not enable")
|
|
endmacro()
|
|
endif()
|
|
|
|
if(CONFIG_CU_GCC_STRING_1BYTE_ALIGN)
|
|
macro(cu_gcc_string_1byte_align)
|
|
message(STATUS "GCC string 1-byte align is enable")
|
|
|
|
set(multi_value COMPONENTS DEPENDS)
|
|
cmake_parse_arguments(STR_ALIGN "" "" "${multi_value}" ${ARGN})
|
|
|
|
message(STATUS "GCC string 1-byte align for components: ${STR_ALIGN_COMPONENTS}")
|
|
foreach(c ${STR_ALIGN_COMPONENTS})
|
|
idf_component_get_property(t ${c} COMPONENT_LIB)
|
|
target_compile_options(${t} PRIVATE "-malign-data=natural")
|
|
endforeach()
|
|
|
|
message(STATUS "GCC string 1-byte align for dependencies: ${STR_ALIGN_DEPENDS}")
|
|
foreach(d ${STR_ALIGN_DEPENDS})
|
|
target_compile_options(${d} PRIVATE "-malign-data=natural")
|
|
endforeach()
|
|
endmacro()
|
|
else()
|
|
macro(cu_gcc_string_1byte_align)
|
|
message(STATUS "GCC string 1-byte align is not enable")
|
|
endmacro()
|
|
endif()
|