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