kendryte-standalone-sdk/cmake/toolchain.cmake

53 lines
2.5 KiB
CMake

if (WIN32)
set(EXT ".exe")
else ()
set(EXT "")
endif ()
message(STATUS "Check for RISCV toolchain ...")
if(NOT TOOLCHAIN)
find_path(_TOOLCHAIN riscv64-unknown-elf-gcc${EXT})
global_set(TOOLCHAIN "${_TOOLCHAIN}")
elseif(NOT "${TOOLCHAIN}" MATCHES "/$")
global_set(TOOLCHAIN "${TOOLCHAIN}")
endif()
if (NOT TOOLCHAIN)
message(FATAL_ERROR "TOOLCHAIN must be set, to absolute path of kendryte-toolchain dist/bin folder.")
endif ()
message(STATUS "Using ${TOOLCHAIN} RISCV toolchain")
global_set(CMAKE_C_COMPILER "${TOOLCHAIN}/riscv64-unknown-elf-gcc${EXT}")
global_set(CMAKE_CXX_COMPILER "${TOOLCHAIN}/riscv64-unknown-elf-g++${EXT}")
global_set(CMAKE_LINKER "${TOOLCHAIN}/riscv64-unknown-elf-ld${EXT}")
global_set(CMAKE_AR "${TOOLCHAIN}/riscv64-unknown-elf-ar${EXT}")
global_set(CMAKE_OBJCOPY "${TOOLCHAIN}/riscv64-unknown-elf-objcopy${EXT}")
global_set(CMAKE_SIZE "${TOOLCHAIN}/riscv64-unknown-elf-size${EXT}")
global_set(CMAKE_OBJDUMP "${TOOLCHAIN}/riscv64-unknown-elf-objdump${EXT}")
global_set(CMAKE_RANLIB "${TOOLCHAIN}/riscv64-unknown-elf-ranlib${EXT}")
if (WIN32)
if(EXISTS "${TOOLCHAIN}/make${EXT}")
global_set(CMAKE_MAKE_PROGRAM "${TOOLCHAIN}/make${EXT}")
else()
global_set(CMAKE_MAKE_PROGRAM "${TOOLCHAIN}/mingw32-make${EXT}")
endif()
endif ()
execute_process(COMMAND ${CMAKE_C_COMPILER} -print-file-name=crt0.o OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE CRT0_OBJ)
execute_process(COMMAND ${CMAKE_C_COMPILER} -print-file-name=crtbegin.o OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE CRTBEGIN_OBJ)
execute_process(COMMAND ${CMAKE_C_COMPILER} -print-file-name=crtend.o OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE CRTEND_OBJ)
execute_process(COMMAND ${CMAKE_C_COMPILER} -print-file-name=crti.o OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE CRTI_OBJ)
execute_process(COMMAND ${CMAKE_C_COMPILER} -print-file-name=crtn.o OUTPUT_STRIP_TRAILING_WHITESPACE OUTPUT_VARIABLE CRTN_OBJ)
global_set(CMAKE_C_LINK_EXECUTABLE
"<CMAKE_C_COMPILER> <FLAGS> <CMAKE_C_LINK_FLAGS> <LINK_FLAGS> \"${CRTI_OBJ}\" \"${CRTBEGIN_OBJ}\" <OBJECTS> \"${CRTEND_OBJ}\" \"${CRTN_OBJ}\" -o <TARGET> <LINK_LIBRARIES>")
global_set(CMAKE_CXX_LINK_EXECUTABLE
"<CMAKE_CXX_COMPILER> <FLAGS> <CMAKE_CXX_LINK_FLAGS> <LINK_FLAGS> \"${CRTI_OBJ}\" \"${CRTBEGIN_OBJ}\" <OBJECTS> \"${CRTEND_OBJ}\" \"${CRTN_OBJ}\" -o <TARGET> <LINK_LIBRARIES>")
get_filename_component(_BIN_DIR "${CMAKE_C_COMPILER}" DIRECTORY)
if (NOT "${TOOLCHAIN}" STREQUAL "${_BIN_DIR}")
message(FATAL_ERROR "CMAKE_C_COMPILER is not in kendryte-toolchain dist/bin folder.")
endif ()