esp-idf/tools/cmake/targets.cmake

70 wiersze
2.8 KiB
CMake
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#
# Set the target used for the standard project build.
#
macro(__target_init)
# Input is IDF_TARGET environement variable
set(env_idf_target $ENV{IDF_TARGET})
if(NOT env_idf_target)
# IDF_TARGET not set in environment, see if it is set in cache
if(IDF_TARGET)
set(env_idf_target ${IDF_TARGET})
else()
set(env_idf_target esp32)
message(STATUS "IDF_TARGET not set, using default target: ${env_idf_target}")
endif()
else()
# IDF_TARGET set both in environment and in cache, must be the same
if(NOT ${IDF_TARGET} STREQUAL ${env_idf_target})
message(FATAL_ERROR "IDF_TARGET in CMake cache does not match "
"IDF_TARGET environment variable. To change the target, clear "
"the build directory and sdkconfig file, and build the project again")
endif()
endif()
# IDF_TARGET will be used by Kconfig, make sure it is set
set(ENV{IDF_TARGET} ${env_idf_target})
# Finally, set IDF_TARGET in cache
set(IDF_TARGET ${env_idf_target} CACHE STRING "IDF Build Target")
endmacro()
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#
# Check that the set build target and the config target matches.
#
function(__target_check)
# Should be called after sdkconfig CMake file has been included.
idf_build_get_property(idf_target IDF_TARGET)
if(NOT ${idf_target} STREQUAL ${CONFIG_IDF_TARGET})
message(FATAL_ERROR "CONFIG_IDF_TARGET in sdkconfig does not match "
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"IDF_TARGET environment variable. To change the target, delete "
"sdkconfig file and build the project again.")
endif()
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endfunction()
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#
# Used by the project CMake file to set the toolchain before project() call.
#
macro(__target_set_toolchain)
idf_build_get_property(idf_path IDF_PATH)
# First try to load the toolchain file from the tools/cmake/directory of IDF
set(toolchain_file_global ${idf_path}/tools/cmake/toolchain-${IDF_TARGET}.cmake)
if(EXISTS ${toolchain_file_global})
set(CMAKE_TOOLCHAIN_FILE ${toolchain_file_global})
else()
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__component_get_target(component_target ${IDF_TARGET})
if(NOT component_target)
message(FATAL_ERROR "Unable to resolve '${IDF_TARGET}' for setting toolchain file.")
endif()
get_property(component_dir TARGET ${component_target} PROPERTY COMPONENT_DIR)
# Try to load the toolchain file from the directory of IDF_TARGET component
set(toolchain_file_component ${component_dir}/toolchain-${IDF_TARGET}.cmake)
if(EXISTS ${toolchain_file_component})
set(CMAKE_TOOLCHAIN_FILE ${toolchain_file_component})
else()
message(FATAL_ERROR "Toolchain file toolchain-${IDF_TARGET}.cmake not found,"
"checked ${toolchain_file_global} and ${toolchain_file_component}")
endif()
endif()
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endmacro()