mirror of
https://github.com/raspberrypi/pico-sdk.git
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77 lines
3.8 KiB
CMake
77 lines
3.8 KiB
CMake
# PICO_CMAKE_CONFIG: PICO_TOOLCHAIN_PATH, Path to search for compiler, type=string, default=none (i.e. search system paths), group=build, docref=cmake-toolchain-config
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set(PICO_TOOLCHAIN_PATH "${PICO_TOOLCHAIN_PATH}" CACHE INTERNAL "")
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# Set a default build type if none was specified
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set(default_build_type "Release")
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list(APPEND CMAKE_TRY_COMPILE_PLATFORM_VARIABLES CMAKE_PREFIX_PATH)
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if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
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message(STATUS "Defaulting build type to '${default_build_type}' since not specified.")
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set(CMAKE_BUILD_TYPE "${default_build_type}" CACHE STRING "Choose the type of build, options are: 'Debug', 'Release', 'MinSizeRel', 'RelWithDebInfo'." FORCE)
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# Set the possible values of build type for cmake-gui
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set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
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"Debug" "Release" "MinSizeRel" "RelWithDebInfo")
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endif()
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if (CMAKE_BUILD_TYPE STREQUAL "Default")
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error("Default build type is NOT supported")
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endif()
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if (NOT (DEFINED PICO_COMPILER OR DEFINED CMAKE_TOOLCHAIN_FILE))
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if (DEFINED PICO_DEFAULT_COMPILER)
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pico_message("Defaulting compiler (PICO_COMPILER) to '${PICO_DEFAULT_COMPILER}' since not specified.")
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set(PICO_COMPILER ${PICO_DEFAULT_COMPILER})
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endif()
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endif ()
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# PICO_CMAKE_CONFIG: PICO_COMPILER, Specifies the compiler family to use, type=string, group=build, default=PICO_DEFAULT_COMPILER which is set based on PICO_PLATFORM, docref=cmake-toolchain-config
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# If PICO_COMPILER is specified, set toolchain file to ${PICO_COMPILER}.cmake.
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if (DEFINED PICO_COMPILER)
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# maintain backwards compatibility with RP2040 SDK compilers
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set(ORIG_PICO_COMPILER "${PICO_COMPILER}")
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if (PICO_COMPILER STREQUAL "pico_arm_gcc")
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if (PICO_PLATFORM STREQUAL "rp2040")
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set(PICO_COMPILER "pico_arm_cortex_m0plus_gcc")
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elseif(PICO_PLATFORM STREQUAL "rp2350")
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set(PICO_COMPILER "pico_arm_cortex_m33_gcc")
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endif()
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elseif(PICO_COMPILER STREQUAL "pico_arm_clang")
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if (PICO_PLATFORM STREQUAL "rp2040")
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set(PICO_COMPILER "pico_arm_cortex_m0plus_clang")
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elseif(PICO_PLATFORM STREQUAL "rp2350-arm-s")
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set(PICO_COMPILER "pico_arm_cortex_m33_clang")
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elseif(PICO_PLATFORM STREQUAL "rp2350-arm-ns")
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set(PICO_COMPILER "pico_arm_cortex_m33_clang")
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endif()
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endif()
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if (NOT PICO_COMPILER STREQUAL ORIG_PICO_COMPILER)
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message("Accepting PICO_COMPILER value '${ORIG_PICO_COMPILER}' for compatibility, but using '${PICO_COMPILER}' instead")
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endif()
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if (NOT DEFINED PICO_TOOLCHAIN_DIR)
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set(PICO_TOOLCHAIN_DIR "${CMAKE_CURRENT_LIST_DIR}/preload/toolchains")
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endif()
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set(toolchain_file "${PICO_TOOLCHAIN_DIR}/${PICO_COMPILER}.cmake")
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if (EXISTS "${toolchain_file}")
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set(CMAKE_TOOLCHAIN_FILE "${toolchain_file}")
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else ()
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# todo improve message
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message(FATAL_ERROR "Toolchain file \"${PICO_COMPILER}.cmake\" does not exist, please\
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select one from \"cmake/toolchains\" folder.")
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endif ()
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message("Configuring toolchain based on PICO_COMPILER '${PICO_COMPILER}'")
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endif ()
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if (PICO_PREVIOUS_CMAKE_TOOLCHAIN_FILE)
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if (NOT "${PICO_PREVIOUS_CMAKE_TOOLCHAIN_FILE}" STREQUAL "${CMAKE_TOOLCHAIN_FILE}")
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message(FATAL_ERROR "CMAKE_TOOLCHAIN_FILE was previously defined to ${PICO_PREVIOUS_CMAKE_TOOLCHAIN_FILE}, and now\
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is being changed to ${CMAKE_TOOLCHAIN_FILE}. You\
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need to delete the CMake cache and reconfigure if you want to switch compiler.\
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The best practice is to use separate build directories for different platforms or compilers.")
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endif ()
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endif ()
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set(PICO_PREVIOUS_CMAKE_TOOLCHAIN_FILE ${CMAKE_TOOLCHAIN_FILE} CACHE INTERNAL "Saved CMAKE_TOOLCHAIN_FILE" FORCE)
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unset(PICO_COMPILER CACHE)
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