92 lines
4.6 KiB
CMake
92 lines
4.6 KiB
CMake
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#set(CMAKE_TRY_COMPILE_TARGET_TYPE STATIC_LIBRARY)
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# Object build options
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# -O0 No optimizations, reduce compilation time and make debugging produce the expected results.
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# -fno-builtin Do not use built-in functions provided by GCC.
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# -Wall Print only standard warnings, for all use Wextra
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# -ffunction-sections Place each function item into its own section in the output file.
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# -fdata-sections Place each data item into its own section in the output file.
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# -fomit-frame-pointer Omit the frame pointer in functions that don’t need one.
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# -Og Enables optimizations that do not interfere with debugging.
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# -g Produce debugging information in the operating system’s native format.
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# -Os Optimize for size. -Os enables all -O2 optimizations.
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# -flto Runs the standard link-time optimizer.
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SET(MARCH "rv32imafc")
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SET(MCPU "riscv-e24")
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SET(MABI "ilp32f")
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SET(MCU_FLAG "-march=${MARCH} -mabi=${MABI}")
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SET(COMMON_FLAGS "-O2 -g3 -fshort-enums -fno-common \
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-fms-extensions -ffunction-sections -fdata-sections -fstrict-volatile-bitfields \
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-Wall -Wshift-negative-value -Wchar-subscripts -Wformat -Wuninitialized -Winit-self -fno-jump-tables \
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-Wignored-qualifiers -Wswitch-default -Wunused -Wundef -msmall-data-limit=4")
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# compiler: language specific flags
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set(CMAKE_C_FLAGS "${MCU_FLAG} ${COMMON_FLAGS} -std=c99" CACHE INTERNAL "c compiler flags")
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set(CMAKE_C_FLAGS_DEBUG "-Og -g" CACHE INTERNAL "c compiler flags: Debug")
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set(CMAKE_C_FLAGS_RELEASE "-Os -flto" CACHE INTERNAL "c compiler flags: Release")
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# message("")
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# message("-----------------------------------------------------------------------------------------------------------------------------------------------------")
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# message("Setting C compiler")
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# message("C compiler flags options: ${CMAKE_C_FLAGS}")
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# message("C compiler debug options: ${CMAKE_C_FLAGS_DEBUG}")
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# message("C compiler release options: ${CMAKE_C_FLAGS_RELEASE}")
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# message("-----------------------------------------------------------------------------------------------------------------------------------------------------")
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set(CMAKE_CXX_FLAGS "${MCU_FLAG} ${COMMON_FLAGS} -std=c++11 " CACHE INTERNAL "cxx compiler flags")
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set(CMAKE_CXX_FLAGS_DEBUG "-Og -g" CACHE INTERNAL "cxx compiler flags: Debug")
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set(CMAKE_CXX_FLAGS_RELEASE "-Os -flto" CACHE INTERNAL "cxx compiler flags: Release")
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# message("")
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# message("-----------------------------------------------------------------------------------------------------------------------------------------------------")
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# message("Setting C++ compiler")
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# message("C++ compiler flags options: ${CMAKE_CXX_FLAGS}")
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# message("C++ compiler debug options: ${CMAKE_CXX_FLAGS_DEBUG}")
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# message("C++ compiler release options: ${CMAKE_CXX_FLAGS_RELEASE}")
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# message("-----------------------------------------------------------------------------------------------------------------------------------------------------")
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set(CMAKE_ASM_FLAGS "${MCU_FLAG} ${COMMON_FLAGS}" CACHE INTERNAL "asm compiler flags")
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set(CMAKE_ASM_FLAGS_DEBUG "-Og -g" CACHE INTERNAL "asm compiler flags: Debug")
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set(CMAKE_ASM_FLAGS_RELEASE "-Os -flto" CACHE INTERNAL "asm compiler flags: Release")
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# message("")
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# message("-----------------------------------------------------------------------------------------------------------------------------------------------------")
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# message("Setting ASM compiler")
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# message("ASM compiler flags options: ${CMAKE_ASM_FLAGS}")
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# message("ASM compiler debug options: ${CMAKE_ASM_FLAGS_DEBUG}")
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# message("ASM compiler release options: ${CMAKE_ASM_FLAGS_RELEASE}")
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# message("-----------------------------------------------------------------------------------------------------------------------------------------------------")
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# -Wl,--gc-sections Perform the dead code elimination.
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# --specs=nano.specs Link with newlib-nano.
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# --specs=nosys.specs No syscalls, provide empty implementations for the POSIX system calls.
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if(${SUPPORT_SHELL} STREQUAL "ENABLE")
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add_definitions(-DSHELL_SUPPORT)
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else()
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endif()
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if(${BOARD} MATCHES "(bl602u.*)")
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set(mcu bl602u)
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elseif(${BOARD} MATCHES "(bl602).*")
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set(mcu bl602)
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elseif(${BOARD} MATCHES "(bl702|bl704|bl706).*")
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set(mcu bl702)
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elseif(${BOARD} MATCHES "(bl606p).*")
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set(mcu bl606p)
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else()
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endif()
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SET(LINKER_SCRIPT ${CMAKE_SOURCE_DIR}/drivers/${mcu}_driver/${mcu}_flash.ld)
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set(CMAKE_EXE_LINKER_FLAGS "${MCU_FLAG} -Wl,--cref -Wl,--gc-sections -nostartfiles -lc -lm -g3 \
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-fms-extensions -ffunction-sections -fdata-sections -Wall -Wchar-subscripts \
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-Wformat -Wuninitialized -Winit-self -Wignored-qualifiers -Wswitch-default -Wunused -Wundef -std=c99" CACHE INTERNAL "Linker options")
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