Initial Release
This commit is contained in:
graham sanderson
31
cmake/preload/toolchains/find_compiler.cmake
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31
cmake/preload/toolchains/find_compiler.cmake
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# Toolchain file is processed multiple times, however, it cannot access CMake cache on some runs.
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# We store the search path in an environment variable so that we can always access it.
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if (NOT "${PICO_TOOLCHAIN_PATH}" STREQUAL "")
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set(ENV{PICO_TOOLCHAIN_PATH} "${PICO_TOOLCHAIN_PATH}")
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endif ()
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# Find the compiler executable and store its path in a cache entry ${compiler_path}.
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# If not found, issue a fatal message and stop processing. PICO_TOOLCHAIN_PATH can be provided from
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# commandline as additional search path.
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function(pico_find_compiler compiler_path compiler_exe)
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# Search user provided path first.
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find_program(
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${compiler_path} ${compiler_exe}
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PATHS ENV PICO_TOOLCHAIN_PATH
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PATH_SUFFIXES bin
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NO_DEFAULT_PATH
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)
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# If not then search system paths.
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if ("${${compiler_path}}" STREQUAL "${compiler_path}-NOTFOUND")
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if (DEFINED ENV{PICO_TOOLCHAIN_PATH})
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message(WARNING "PICO_TOOLCHAIN_PATH specified ($ENV{PICO_TOOLCHAIN_PATH}), but ${compiler_exe} not found there")
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endif()
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find_program(${compiler_path} ${compiler_exe})
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endif ()
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if ("${${compiler_path}}" STREQUAL "${compiler_path}-NOTFOUND")
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set(PICO_TOOLCHAIN_PATH "" CACHE PATH "Path to search for compiler.")
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message(FATAL_ERROR "Compiler '${compiler_exe}' not found, you can specify search path with\
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\"PICO_TOOLCHAIN_PATH\".")
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endif ()
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endfunction()
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53
cmake/preload/toolchains/pico_arm_clang.cmake
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53
cmake/preload/toolchains/pico_arm_clang.cmake
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# NOTE: THIS IS A WIP ONLY PICO_ARM_GCC IS CURRENTLY SUPPORTED
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# todo there is probably a more "cmake" way of doing this going thru the standard path with our "PICO" platform
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# i.e. CMake<Lang>Information and whatnot
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include(${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake)
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# include our Platform/pico.cmake
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set(CMAKE_SYSTEM_NAME PICO)
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set(CMAKE_SYSTEM_PROCESSOR cortex-m0plus)
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# Find CLANG
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pico_find_compiler(PICO_COMPILER_CC clang)
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pico_find_compiler(PICO_COMPILER_CXX clang)
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#pico_find_compiler(PICO_COMPILER_ASM armasm)
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set(PICO_COMPILER_ASM "${PICO_COMPILER_CC}" CACHE INTERNAL "")
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pico_find_compiler(PICO_OBJCOPY llvm-objcopy)
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pico_find_compiler(PICO_OBJDUMP llvm-objdump)
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# Specify the cross compiler.
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set(CMAKE_C_COMPILER ${PICO_COMPILER_CC} CACHE FILEPATH "C compiler")
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set(CMAKE_CXX_COMPILER ${PICO_COMPILER_CXX} CACHE FILEPATH "C++ compiler")
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set(CMAKE_C_OUTPUT_EXTENSION .o)
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# todo should we be including CMakeASMInformation anyway - i guess that is host side
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set(CMAKE_ASM_COMPILER ${PICO_COMPILER_ASM} CACHE FILEPATH "ASM compiler")
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set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> -c <SOURCE>")
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set(CMAKE_INCLUDE_FLAG_ASM "-I")
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set(CMAKE_OBJCOPY ${PICO_OBJCOPY} CACHE FILEPATH "")
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set(CMAKE_OBJDUMP ${PICO_OBJDUMP} CACHE FILEPATH "")
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# Disable compiler checks.
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set(CMAKE_C_COMPILER_FORCED TRUE)
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set(CMAKE_CXX_COMPILER_FORCED TRUE)
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# Add target system root to cmake find path.
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get_filename_component(PICO_COMPILER_DIR "${PICO_COMPILER_CC}" DIRECTORY)
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get_filename_component(CMAKE_FIND_ROOT_PATH "${PICO_COMPILER_DIR}" DIRECTORY)
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# Look for includes and libraries only in the target system prefix.
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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include_directories(/usr/include/newlib)
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# todo move to platform/Generix-xxx
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set(ARM_CLANG_COMMON_FLAGS " --target=arm-none-eabi -mcpu=cortex-m0plus -mthumb")
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set(CMAKE_C_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
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set(CMAKE_CXX_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
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set(CMAKE_ASM_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
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set(CMAKE_C_FLAGS_DEBUG_INIT "${ARM_CLANG_COMMON_FLAGS} -Og")
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set(CMAKE_CXX_FLAGS_DEBUG_INIT "${ARM_CLANG_COMMON_FLAGS} -Og")
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52
cmake/preload/toolchains/pico_arm_clang_arm.cmake
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52
cmake/preload/toolchains/pico_arm_clang_arm.cmake
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# NOTE: THIS IS A WIP ONLY PICO_ARM_GCC IS CURRENTLY SUPPORTED
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# todo there is probably a more "cmake" way of doing this going thru the standard path with our "PICO" platform
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# i.e. CMake<Lang>Information and whatnot
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include(${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake)
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# include our Platform/PICO.cmake
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set(CMAKE_SYSTEM_NAME PICO)
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set(CMAKE_SYSTEM_PROCESSOR cortex-m0plus)
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# Find ARMClang.
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pico_find_compiler(PICO_COMPILER_CC armclang)
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pico_find_compiler(PICO_COMPILER_CXX armclang)
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pico_find_compiler(PICO_COMPILER_ASM armasm)
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set(PICO_COMPILER_ASM "${PICO_COMPILER_ASM}" CACHE INTERNAL "")
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pico_find_compiler(PICO_OBJCOPY llvm-objcopy)
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pico_find_compiler(PICO_OBJDUMP llvm-objdump)
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# Specify the cross compiler.
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set(CMAKE_C_COMPILER ${PICO_COMPILER_CC} CACHE FILEPATH "C compiler")
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set(CMAKE_CXX_COMPILER ${PICO_COMPILER_CXX} CACHE FILEPATH "C++ compiler")
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set(CMAKE_C_OUTPUT_EXTENSION .o)
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# todo should we be including CMakeASMInformation anyway - i guess that is host side
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set(CMAKE_ASM_COMPILER ${PICO_COMPILER_ASM} CACHE FILEPATH "ASM compiler")
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set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> -c <SOURCE>")
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set(CMAKE_INCLUDE_FLAG_ASM "-I")
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set(CMAKE_OBJCOPY ${PICO_OBJCOPY} CACHE FILEPATH "")
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set(CMAKE_OBJDUMP ${PICO_OBJDUMP} CACHE FILEPATH "")
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# Disable compiler checks.
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set(CMAKE_C_COMPILER_FORCED TRUE)
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set(CMAKE_CXX_COMPILER_FORCED TRUE)
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# Add target system root to cmake find path.
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get_filename_component(PICO_COMPILER_DIR "${PICO_COMPILER_CC}" DIRECTORY)
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get_filename_component(CMAKE_FIND_ROOT_PATH "${PICO_COMPILER_DIR}" DIRECTORY)
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# Look for includes and libraries only in the target system prefix.
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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# todo move to platform/Generix-xxx
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set(ARM_CLANG_COMMON_FLAGS " --cpu=Cortex-M0plus")
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string(APPEND CMAKE_C_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
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string(APPEND CMAKE_CXX_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
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string(APPEND CMAKE_ASM_FLAGS_INIT "${ARM_CLANG_COMMON_FLAGS}")
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string(APPEND CMAKE_C_FLAGS_DEBUG_INIT "${ARM_CLANG_COMMON_FLAGS} -Og")
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string(APPEND CMAKE_CXX_FLAGS_DEBUG_INIT "${ARM_CLANG_COMMON_FLAGS} -Og")
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66
cmake/preload/toolchains/pico_arm_gcc.cmake
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66
cmake/preload/toolchains/pico_arm_gcc.cmake
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@ -0,0 +1,66 @@
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# todo there is probably a more "cmake" way of doing this going thru the standard path with our "PICO" platform
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# i.e. CMake<Lang>Information and whatnot
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include(${CMAKE_CURRENT_LIST_DIR}/find_compiler.cmake)
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# include our Platform/PICO.cmake
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set(CMAKE_SYSTEM_NAME PICO)
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set(CMAKE_SYSTEM_PROCESSOR cortex-m0plus)
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if (NOT PICO_GCC_TRIPLE)
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if (DEFINED ENV{PICO_GCC_TRIPLE})
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set(PICO_GCC_TRIPLE $ENV{PICO_GCC_TRIPLE})
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message("PICO_GCC_TRIPLE set from environment: $ENV{PICO_GCC_TRIPLE}")
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else()
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set(PICO_GCC_TRIPLE arm-none-eabi)
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message("PICO_GCC_TRIPLE defaulted to arm-none-eabi")
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endif()
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endif()
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# Find GCC for ARM.
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pico_find_compiler(PICO_COMPILER_CC ${PICO_GCC_TRIPLE}-gcc)
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pico_find_compiler(PICO_COMPILER_CXX ${PICO_GCC_TRIPLE}-g++)
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set(PICO_COMPILER_ASM "${PICO_COMPILER_CC}" CACHE INTERNAL "")
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pico_find_compiler(PICO_OBJCOPY ${PICO_GCC_TRIPLE}-objcopy)
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pico_find_compiler(PICO_OBJDUMP ${PICO_GCC_TRIPLE}-objdump)
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# Specify the cross compiler.
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set(CMAKE_C_COMPILER ${PICO_COMPILER_CC} CACHE FILEPATH "C compiler")
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set(CMAKE_CXX_COMPILER ${PICO_COMPILER_CXX} CACHE FILEPATH "C++ compiler")
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set(CMAKE_C_OUTPUT_EXTENSION .o)
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# todo should we be including CMakeASMInformation anyway - i guess that is host side
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set(CMAKE_ASM_COMPILER ${PICO_COMPILER_ASM} CACHE FILEPATH "ASM compiler")
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set(CMAKE_ASM_COMPILE_OBJECT "<CMAKE_ASM_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> -c <SOURCE>")
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set(CMAKE_INCLUDE_FLAG_ASM "-I")
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set(CMAKE_OBJCOPY ${PICO_OBJCOPY} CACHE FILEPATH "")
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set(CMAKE_OBJDUMP ${PICO_OBJDUMP} CACHE FILEPATH "")
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# Disable compiler checks.
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set(CMAKE_C_COMPILER_FORCED TRUE)
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set(CMAKE_CXX_COMPILER_FORCED TRUE)
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# Add target system root to cmake find path.
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get_filename_component(PICO_COMPILER_DIR "${PICO_COMPILER_CC}" DIRECTORY)
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get_filename_component(CMAKE_FIND_ROOT_PATH "${PICO_COMPILER_DIR}" DIRECTORY)
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# Look for includes and libraries only in the target system prefix.
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set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
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set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
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option(PICO_DEOPTIMIZED_DEBUG "Build debug builds with -O0" 0)
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# todo move to platform/Generix-xxx
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set(ARM_GCC_COMMON_FLAGS " -march=armv6-m -mcpu=cortex-m0plus -mthumb")
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#set(ARM_GCC_COMMON_FLAGS " -mcpu=cortex-m0plus -mthumb")
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foreach(LANG IN ITEMS C CXX ASM)
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set(CMAKE_${LANG}_FLAGS_INIT "${ARM_GCC_COMMON_FLAGS}")
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if (PICO_DEOPTIMIZED_DEBUG)
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set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-O0")
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else()
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set(CMAKE_${LANG}_FLAGS_DEBUG_INIT "-Og")
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endif()
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set(CMAKE_${LANG}_LINK_FLAGS "-Wl,--build-id=none")
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endforeach()
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