OVMS3-idf/tools/cmake/project.cmake

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# Designed to be included from an IDF app's CMakeLists.txt file
#
cmake_minimum_required(VERSION 3.5)
include(${CMAKE_CURRENT_LIST_DIR}/idf_functions.cmake)
# Set the path of idf.py.
set(IDFTOOL ${PYTHON} "${IDF_PATH}/tools/idf.py")
# Trick to temporarily redefine project(). When functions are overriden in CMake, the originals can still be accessed
# using an underscore prefixed function of the same name. The following lines make sure that __project calls
# the original project(). See https://cmake.org/pipermail/cmake/2015-October/061751.html.
function(project)
endfunction()
function(_project)
endfunction()
macro(project name)
# Bridge existing documented variable names with library namespaced variables in order for old projects to work.
if(COMPONENT_DIRS)
spaces2list(COMPONENT_DIRS)
foreach(component_dir ${COMPONENT_DIRS})
get_filename_component(full_path ${component_dir} ABSOLUTE)
get_filename_component(idf_path "${IDF_PATH}/components" ABSOLUTE)
if(NOT full_path STREQUAL idf_path)
set(IDF_EXTRA_COMPONENT_DIRS "${IDF_EXTRA_COMPONENT_DIRS} ${component_dir}")
endif()
endforeach()
else()
if(MAIN_SRCS)
set(IDF_EXTRA_COMPONENT_DIRS "${EXTRA_COMPONENT_DIRS} ${CMAKE_SOURCE_DIR}/components")
else()
set(IDF_EXTRA_COMPONENT_DIRS "${EXTRA_COMPONENT_DIRS} \
${CMAKE_SOURCE_DIR}/components ${CMAKE_SOURCE_DIR}/main")
endif()
endif()
if(COMPONENTS)
set(IDF_COMPONENTS "${COMPONENTS}")
endif()
if(COMPONENT_REQUIRES_COMMON)
set(IDF_COMPONENT_REQUIRES_COMMON "${COMPONENT_REQUIRES_COMMON}")
endif()
if(EXCLUDE_COMPONENTS)
set(IDF_EXCLUDE_COMPONENTS "${COMPONENT_EXCLUDES}")
endif()
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if(TESTS_ALL EQUAL 1 OR TEST_COMPONENTS)
set(IDF_BUILD_TESTS 1)
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endif()
if(TEST_COMPONENTS)
set(IDF_TEST_COMPONENTS "${TEST_COMPONENTS}")
endif()
if(TEST_EXCLUDE_COMPONENTS)
set(IDF_TEST_EXCLUDE_COMPONENTS "${TEST_EXCLUDE_COMPONENTS}")
endif()
if(NOT SDKCONFIG_DEFAULTS)
if(EXISTS ${CMAKE_SOURCE_DIR}/sdkconfig.defaults)
set(IDF_SDKCONFIG_DEFAULTS ${CMAKE_SOURCE_DIR}/sdkconfig.defaults)
endif()
else()
set(IDF_SDKCONFIG_DEFAULTS ${SDKCONFIG_DEFAULTS})
endif()
# Set build variables
idf_set_variables()
# Now the configuration is loaded, set the toolchain appropriately
idf_set_toolchain()
__project(${name} C CXX ASM)
set(IDF_BUILD_ARTIFACTS ON)
set(IDF_PROJECT_EXECUTABLE ${CMAKE_PROJECT_NAME}.elf)
set(IDF_BUILD_ARTIFACTS_DIR ${CMAKE_BINARY_DIR})
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if(MAIN_SRCS)
spaces2list(MAIN_SRCS)
add_executable(${IDF_PROJECT_EXECUTABLE} ${MAIN_SRCS})
else()
# Create a dummy file to work around CMake requirement of having a source
# file while adding an executable
add_executable(${IDF_PROJECT_EXECUTABLE} "${CMAKE_CURRENT_BINARY_DIR}/dummy_main_src.c")
add_custom_command(OUTPUT dummy_main_src.c
COMMAND ${CMAKE_COMMAND} -E touch dummy_main_src.c
WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
VERBATIM)
add_custom_target(dummy_main_src DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/dummy_main_src.c)
add_dependencies(${IDF_PROJECT_EXECUTABLE} dummy_main_src)
endif()
set(mapfile "${CMAKE_PROJECT_NAME}.map")
target_link_libraries(${IDF_PROJECT_EXECUTABLE} "-Wl,--gc-sections \
-Wl,--cref -Wl,--Map=${mapfile}")
set_property(DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}" APPEND PROPERTY
ADDITIONAL_MAKE_CLEAN_FILES
"${CMAKE_CURRENT_BINARY_DIR}/${mapfile}")
# Add size targets, depend on map file, run idf_size.py
add_custom_target(size
DEPENDS ${exe_target}
COMMAND ${PYTHON} ${IDF_PATH}/tools/idf_size.py ${mapfile}
)
add_custom_target(size-files
DEPENDS ${exe_target}
COMMAND ${PYTHON} ${IDF_PATH}/tools/idf_size.py --files ${mapfile}
)
add_custom_target(size-components
DEPENDS ${exe_target}
COMMAND ${PYTHON} ${IDF_PATH}/tools/idf_size.py --archives ${mapfile}
)
# Since components can import third-party libraries, the original definition of project() should be restored
# before the call to add components to the build.
function(project)
set(project_ARGV ARGV)
__project(${${project_ARGV}})
endfunction()
# Finally, add the rest of the components to the build.
idf_import_components(components $ENV{IDF_PATH} esp-idf)
idf_link_components(${IDF_PROJECT_EXECUTABLE} "${components}")
endmacro()