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https://github.com/zephyrproject-rtos/zephyr
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9b0ef4f19a
MWDT toolchain has Stackcheck_alloca option enabled by default. So it adds stack checking in addition to Zephyr's stack checking. As it is completely redundant let's drop it. Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
42 lines
1.6 KiB
CMake
42 lines
1.6 KiB
CMake
# find the compilers for C, CPP, assembly
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find_program(CMAKE_C_COMPILER ${CROSS_COMPILE}ccac PATH ${TOOLCHAIN_HOME} NO_DEFAULT_PATH)
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find_program(CMAKE_CXX_COMPILER ${CROSS_COMPILE}ccac PATH ${TOOLCHAIN_HOME} NO_DEFAULT_PATH)
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find_program(CMAKE_ASM_COMPILER ${CROSS_COMPILE}ccac PATH ${TOOLCHAIN_HOME} NO_DEFAULT_PATH)
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# The CMAKE_REQUIRED_FLAGS variable is used by check_c_compiler_flag()
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# (and other commands which end up calling check_c_source_compiles())
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# to add additional compiler flags used during checking. These flags
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# are unused during "real" builds of Zephyr source files linked into
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# the final executable.
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#
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# Appending onto any existing values lets users specify
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# toolchain-specific flags at generation time.
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list(APPEND CMAKE_REQUIRED_FLAGS
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-c
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-HL
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-Hnosdata
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-Hnolib
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-Hnocrt
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-Hnoentry
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-Hldopt=-Bbase=0x0 # Set an entry point to avoid a warning
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-Werror
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)
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string(REPLACE ";" " " CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS}")
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set(NOSTDINC "")
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list(APPEND NOSTDINC ${TOOLCHAIN_HOME}/arc/inc)
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# For CMake to be able to test if a compiler flag is supported by the
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# toolchain we need to give CMake the necessary flags to compile and
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# link a dummy C file.
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#
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# CMake checks compiler flags with check_c_compiler_flag() (Which we
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# wrap with target_cc_option() in extentions.cmake)
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foreach(isystem_include_dir ${NOSTDINC})
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list(APPEND isystem_include_flags -isystem "\"${isystem_include_dir}\"")
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endforeach()
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# common compile options, no copyright msg, little-endian, no small data,
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# no MWDT stack checking
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list(APPEND TOOLCHAIN_C_FLAGS -Hnocopyr -HL -Hnosdata -Hoff=Stackcheck_alloca)
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