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52 lines
2.0 KiB
CMake
52 lines
2.0 KiB
CMake
include(CMakePrintHelpers)
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# ----------------------------------------------------------------------------
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# Common
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# ----------------------------------------------------------------------------
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set(CMAKE_SYSTEM_NAME Generic)
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set(CMAKE_SYSTEM_PROCESSOR ${CMAKE_SYSTEM_CPU})
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set_property(GLOBAL PROPERTY TARGET_SUPPORTS_SHARED_LIBS FALSE)
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# Look for includes and libraries only in the target system prefix.
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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# pass TOOLCHAIN_CPU to
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set(CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_SYSTEM_PROCESSOR CMAKE_SYSTEM_CPU)
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include(${CMAKE_CURRENT_LIST_DIR}/../cpu/${CMAKE_SYSTEM_CPU}.cmake)
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# ----------------------------------------------------------------------------
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# Compile flags
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# ----------------------------------------------------------------------------
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set(TOOLCHAIN_C_FLAGS)
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set(TOOLCHAIN_ASM_FLAGS)
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set(TOOLCHAIN_EXE_LINKER_FLAGS)
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if (TOOLCHAIN STREQUAL "gcc" OR TOOLCHAIN STREQUAL "clang")
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list(APPEND TOOLCHAIN_COMMON_FLAGS
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-fdata-sections
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-ffunction-sections
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# -fsingle-precision-constant # not supported by clang
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-fno-strict-aliasing
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-g # include debug info for bloaty
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)
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set(TOOLCHAIN_EXE_LINKER_FLAGS "-Wl,--print-memory-usage -Wl,--gc-sections -Wl,--cref")
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if (TOOLCHAIN STREQUAL clang)
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set(TOOLCHAIN_ASM_FLAGS "-x assembler-with-cpp")
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endif ()
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elseif (TOOLCHAIN STREQUAL "iar")
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set(TOOLCHAIN_C_FLAGS --debug)
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set(TOOLCHAIN_EXE_LINKER_FLAGS --diag_suppress=Li065)
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endif ()
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# join the toolchain flags into a single string
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list(JOIN TOOLCHAIN_COMMON_FLAGS " " TOOLCHAIN_COMMON_FLAGS)
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set(CMAKE_C_FLAGS_INIT "${TOOLCHAIN_COMMON_FLAGS} ${TOOLCHAIN_C_FLAGS}")
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set(CMAKE_CXX_FLAGS_INIT "${TOOLCHAIN_COMMON_FLAGS} ${TOOLCHAIN_C_FLAGS}")
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set(CMAKE_ASM_FLAGS_INIT "${TOOLCHAIN_COMMON_FLAGS} ${TOOLCHAIN_ASM_FLAGS}")
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set(CMAKE_EXE_LINKER_FLAGS_INIT ${TOOLCHAIN_EXE_LINKER_FLAGS})
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