mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
499 lines
21 KiB
CMake
499 lines
21 KiB
CMake
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# idf_build_get_property
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#
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# @brief Retrieve the value of the specified property related to ESP-IDF build.
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#
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# @param[out] var the variable to store the value in
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# @param[in] property the property to get the value of
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#
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# @param[in, optional] GENERATOR_EXPRESSION (option) retrieve the generator expression for the property
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# instead of actual value
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function(idf_build_get_property var property)
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cmake_parse_arguments(_ "GENERATOR_EXPRESSION" "" "" ${ARGN})
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if(__GENERATOR_EXPRESSION)
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set(val "$<TARGET_PROPERTY:__idf_build_target,${property}>")
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else()
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get_property(val TARGET __idf_build_target PROPERTY ${property})
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endif()
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set(${var} ${val} PARENT_SCOPE)
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endfunction()
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# idf_build_set_property
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#
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# @brief Set the value of the specified property related to ESP-IDF build. The property is
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# also added to the internal list of build properties if it isn't there already.
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#
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# @param[in] property the property to set the value of
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# @param[out] value value of the property
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#
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# @param[in, optional] APPEND (option) append the value to the current value of the
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# property instead of replacing it
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function(idf_build_set_property property value)
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cmake_parse_arguments(_ "APPEND" "" "" ${ARGN})
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if(__APPEND)
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set_property(TARGET __idf_build_target APPEND PROPERTY ${property} ${value})
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else()
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set_property(TARGET __idf_build_target PROPERTY ${property} ${value})
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endif()
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# Keep track of set build properties so that they can be exported to a file that
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# will be included in early expansion script.
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idf_build_get_property(build_properties __BUILD_PROPERTIES)
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if(NOT property IN_LIST build_properties)
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idf_build_set_property(__BUILD_PROPERTIES "${property}" APPEND)
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endif()
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endfunction()
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# idf_build_unset_property
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#
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# @brief Unset the value of the specified property related to ESP-IDF build. Equivalent
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# to setting the property to an empty string; though it also removes the property
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# from the internal list of build properties.
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#
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# @param[in] property the property to unset the value of
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function(idf_build_unset_property property)
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idf_build_set_property(${property} "") # set to an empty value
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idf_build_get_property(build_properties __BUILD_PROPERTIES) # remove from tracked properties
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list(REMOVE_ITEM build_properties ${property})
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idf_build_set_property(__BUILD_PROPERTIES "${build_properties}")
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endfunction()
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#
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# Retrieve the IDF_PATH repository's version, either using a version
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# file or Git revision. Sets the IDF_VER build property.
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#
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function(__build_get_idf_git_revision)
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idf_build_get_property(idf_path IDF_PATH)
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git_describe(idf_ver_git "${idf_path}")
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if(EXISTS "${idf_path}/version.txt")
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file(STRINGS "${idf_path}/version.txt" idf_ver_t)
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set_property(DIRECTORY APPEND PROPERTY CMAKE_CONFIGURE_DEPENDS "${idf_path}/version.txt")
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else()
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set(idf_ver_t ${idf_ver_git})
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endif()
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# cut IDF_VER to required 32 characters.
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string(SUBSTRING "${idf_ver_t}" 0 31 idf_ver)
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idf_build_set_property(COMPILE_DEFINITIONS "-DIDF_VER=\"${idf_ver}\"" APPEND)
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git_submodule_check("${idf_path}")
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idf_build_set_property(IDF_VER ${idf_ver})
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endfunction()
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#
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# Sets initial list of build specifications (compile options, definitions, etc.) common across
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# all library targets built under the ESP-IDF build system. These build specifications are added
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# privately using the directory-level CMake commands (add_compile_options, include_directories, etc.)
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# during component registration.
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#
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function(__build_set_default_build_specifications)
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unset(compile_definitions)
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unset(compile_options)
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unset(c_compile_options)
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unset(cxx_compile_options)
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list(APPEND compile_definitions "-D_GNU_SOURCE")
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list(APPEND compile_options "-ffunction-sections"
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"-fdata-sections"
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"-fstrict-volatile-bitfields"
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# warning-related flags
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"-Wall"
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"-Werror=all"
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"-Wno-error=unused-function"
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"-Wno-error=unused-but-set-variable"
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"-Wno-error=unused-variable"
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"-Wno-error=deprecated-declarations"
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"-Wextra"
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"-Wno-unused-parameter"
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"-Wno-sign-compare"
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# always generate debug symbols (even in release mode, these don't
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# go into the final binary so have no impact on size
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"-ggdb")
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list(APPEND c_compile_options "-std=gnu99"
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"-Wno-old-style-declaration")
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list(APPEND cxx_compile_options "-std=gnu++11")
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idf_build_set_property(COMPILE_DEFINITIONS "${compile_definitions}" APPEND)
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idf_build_set_property(COMPILE_OPTIONS "${compile_options}" APPEND)
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idf_build_set_property(C_COMPILE_OPTIONS "${c_compile_options}" APPEND)
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idf_build_set_property(CXX_COMPILE_OPTIONS "${cxx_compile_options}" APPEND)
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endfunction()
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#
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# Initialize the build. This gets called upon inclusion of idf.cmake to set internal
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# properties used for the processing phase of the build.
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#
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function(__build_init idf_path)
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# Create the build target, to which the ESP-IDF build properties, dependencies are attached to
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add_library(__idf_build_target STATIC IMPORTED)
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set_default(python "python")
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idf_build_set_property(PYTHON ${python})
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idf_build_set_property(IDF_PATH ${idf_path})
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idf_build_set_property(__PREFIX idf)
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idf_build_set_property(__CHECK_PYTHON 1)
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__build_set_default_build_specifications()
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# Add internal components to the build
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idf_build_get_property(idf_path IDF_PATH)
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idf_build_get_property(prefix __PREFIX)
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file(GLOB component_dirs ${idf_path}/components/*)
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foreach(component_dir ${component_dirs})
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get_filename_component(component_dir ${component_dir} ABSOLUTE)
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__component_dir_quick_check(is_component ${component_dir})
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if(is_component)
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__component_add(${component_dir} ${prefix})
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endif()
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endforeach()
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# Set components required by all other components in the build
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#
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# - lwip is here so that #include <sys/socket.h> works without any special provisions
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set(requires_common cxx newlib freertos heap log lwip soc esp_rom esp_common esp_system xtensa)
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idf_build_set_property(__COMPONENT_REQUIRES_COMMON "${requires_common}")
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__build_get_idf_git_revision()
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__kconfig_init()
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endfunction()
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# idf_build_component
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#
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# @brief Present a directory that contains a component to the build system.
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# Relative paths are converted to absolute paths with respect to current directory.
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# All calls to this command must be performed before idf_build_process.
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#
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# @note This command does not guarantee that the component will be processed
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# during build (see the COMPONENTS argument description for command idf_build_process)
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#
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# @param[in] component_dir directory of the component
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function(idf_build_component component_dir)
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idf_build_get_property(prefix __PREFIX)
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__component_add(${component_dir} ${prefix} 0)
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endfunction()
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#
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# Resolve the requirement component to the component target created for that component.
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#
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function(__build_resolve_and_add_req var component_target req type)
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__component_get_target(_component_target ${req})
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__component_get_property(_component_registered ${component_target} __COMPONENT_REGISTERED)
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if(NOT _component_target OR NOT _component_registered)
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message(FATAL_ERROR "Failed to resolve component '${req}'.")
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endif()
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__component_set_property(${component_target} ${type} ${_component_target} APPEND)
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set(${var} ${_component_target} PARENT_SCOPE)
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endfunction()
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#
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# Build a list of components (in the form of component targets) to be added to the build
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# based on public and private requirements. This list is saved in an internal property,
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# __BUILD_COMPONENT_TARGETS.
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#
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function(__build_expand_requirements component_target)
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# Since there are circular dependencies, make sure that we do not infinitely
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# expand requirements for each component.
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idf_build_get_property(component_targets_seen __COMPONENT_TARGETS_SEEN)
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__component_get_property(component_registered ${component_target} __COMPONENT_REGISTERED)
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if(component_target IN_LIST component_targets_seen OR NOT component_registered)
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return()
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endif()
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idf_build_set_property(__COMPONENT_TARGETS_SEEN ${component_target} APPEND)
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get_property(reqs TARGET ${component_target} PROPERTY REQUIRES)
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get_property(priv_reqs TARGET ${component_target} PROPERTY PRIV_REQUIRES)
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foreach(req ${reqs})
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__build_resolve_and_add_req(_component_target ${component_target} ${req} __REQUIRES)
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__build_expand_requirements(${_component_target})
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endforeach()
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foreach(req ${priv_reqs})
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__build_resolve_and_add_req(_component_target ${component_target} ${req} __PRIV_REQUIRES)
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__build_expand_requirements(${_component_target})
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endforeach()
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idf_build_get_property(build_component_targets __BUILD_COMPONENT_TARGETS)
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if(NOT component_target IN_LIST build_component_targets)
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idf_build_set_property(__BUILD_COMPONENT_TARGETS ${component_target} APPEND)
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__component_get_property(component_lib ${component_target} COMPONENT_LIB)
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idf_build_set_property(__BUILD_COMPONENTS ${component_lib} APPEND)
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idf_build_get_property(prefix __PREFIX)
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__component_get_property(component_prefix ${component_target} __PREFIX)
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__component_get_property(component_alias ${component_target} COMPONENT_ALIAS)
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idf_build_set_property(BUILD_COMPONENT_ALIASES ${component_alias} APPEND)
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# Only put in the prefix in the name if it is not the default one
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if(component_prefix STREQUAL prefix)
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__component_get_property(component_name ${component_target} COMPONENT_NAME)
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idf_build_set_property(BUILD_COMPONENTS ${component_name} APPEND)
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else()
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idf_build_set_property(BUILD_COMPONENTS ${component_alias} APPEND)
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endif()
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endif()
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endfunction()
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#
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# Write a CMake file containing set build properties, owing to the fact that an internal
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# list of properties is maintained in idf_build_set_property() call. This is used to convert
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# those set properties to variables in the scope the output file is included in.
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#
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function(__build_write_properties output_file)
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idf_build_get_property(build_properties __BUILD_PROPERTIES)
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foreach(property ${build_properties})
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idf_build_get_property(val ${property})
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set(build_properties_text "${build_properties_text}\nset(${property} ${val})")
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endforeach()
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file(WRITE ${output_file} "${build_properties_text}")
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endfunction()
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#
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# Check if the Python interpreter used for the build has all the required modules.
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#
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function(__build_check_python)
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idf_build_get_property(check __CHECK_PYTHON)
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if(check)
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idf_build_get_property(python PYTHON)
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idf_build_get_property(idf_path IDF_PATH)
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message(STATUS "Checking Python dependencies...")
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execute_process(COMMAND "${python}" "${idf_path}/tools/check_python_dependencies.py"
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RESULT_VARIABLE result)
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if(NOT result EQUAL 0)
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message(FATAL_ERROR "Some Python dependencies must be installed. Check above message for details.")
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endif()
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endif()
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endfunction()
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#
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# Prepare for component processing expanding each component's project include
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#
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macro(__build_process_project_includes)
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# Include the sdkconfig cmake file, since the following operations require
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# knowledge of config values.
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idf_build_get_property(sdkconfig_cmake SDKCONFIG_CMAKE)
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include(${sdkconfig_cmake})
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# Make each build property available as a read-only variable
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idf_build_get_property(build_properties __BUILD_PROPERTIES)
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foreach(build_property ${build_properties})
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idf_build_get_property(val ${build_property})
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set(${build_property} "${val}")
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endforeach()
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# Check that the CMake target value matches the Kconfig target value.
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__target_check()
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idf_build_get_property(build_component_targets __BUILD_COMPONENT_TARGETS)
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# Include each component's project_include.cmake
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foreach(component_target ${build_component_targets})
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__component_get_property(dir ${component_target} COMPONENT_DIR)
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__component_get_property(_name ${component_target} COMPONENT_NAME)
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set(COMPONENT_NAME ${_name})
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set(COMPONENT_DIR ${dir})
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set(COMPONENT_PATH ${dir}) # this is deprecated, users are encouraged to use COMPONENT_DIR;
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# retained for compatibility
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if(EXISTS ${COMPONENT_DIR}/project_include.cmake)
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include(${COMPONENT_DIR}/project_include.cmake)
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endif()
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endforeach()
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endmacro()
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#
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# Utility macro for setting default property value if argument is not specified
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# for idf_build_process().
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#
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macro(__build_set_default var default)
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set(_var __${var})
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if(NOT "${${_var}}" STREQUAL "")
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idf_build_set_property(${var} "${${_var}}")
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else()
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idf_build_set_property(${var} "${default}")
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endif()
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unset(_var)
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endmacro()
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#
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# Import configs as build instance properties so that they are accessible
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# using idf_build_get_config(). Config has to have been generated before calling
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# this command.
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#
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function(__build_import_configs)
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# Include the sdkconfig cmake file, since the following operations require
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# knowledge of config values.
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idf_build_get_property(sdkconfig_cmake SDKCONFIG_CMAKE)
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include(${sdkconfig_cmake})
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idf_build_set_property(__CONFIG_VARIABLES "${CONFIGS_LIST}")
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foreach(config ${CONFIGS_LIST})
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set_property(TARGET __idf_build_target PROPERTY ${config} "${${config}}")
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endforeach()
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endfunction()
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# idf_build_process
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#
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# @brief Main processing step for ESP-IDF build: config generation, adding components to the build,
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# dependency resolution, etc.
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#
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# @param[in] target ESP-IDF target
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#
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# @param[in, optional] PROJECT_DIR (single value) directory of the main project the buildsystem
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# is processed for; defaults to CMAKE_SOURCE_DIR
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# @param[in, optional] PROJECT_VER (single value) version string of the main project; defaults
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# to 1
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# @param[in, optional] PROJECT_NAME (single value) main project name, defaults to CMAKE_PROJECT_NAME
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# @param[in, optional] SDKCONFIG (single value) sdkconfig output path, defaults to PROJECT_DIR/sdkconfig
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# if PROJECT_DIR is set and CMAKE_SOURCE_DIR/sdkconfig if not
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# @param[in, optional] SDKCONFIG_DEFAULTS (single value) config defaults file to use for the build; defaults
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# to none (Kconfig defaults or previously generated config are used)
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# @param[in, optional] BUILD_DIR (single value) directory for build artifacts; defautls to CMAKE_BINARY_DIR
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# @param[in, optional] COMPONENTS (multivalue) select components to process among the components
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# known by the build system
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# (added via `idf_build_component`). This argument is used to trim the build.
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# Other components are automatically added if they are required
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# in the dependency chain, i.e.
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# the public and private requirements of the components in this list
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# are automatically added, and in
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# turn the public and private requirements of those requirements,
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# so on and so forth. If not specified, all components known to the build system
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# are processed.
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macro(idf_build_process target)
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set(options)
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set(single_value PROJECT_DIR PROJECT_VER PROJECT_NAME BUILD_DIR SDKCONFIG)
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set(multi_value COMPONENTS SDKCONFIG_DEFAULTS)
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cmake_parse_arguments(_ "${options}" "${single_value}" "${multi_value}" ${ARGN})
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idf_build_set_property(BOOTLOADER_BUILD "${BOOTLOADER_BUILD}")
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# Check build target is specified. Since this target corresponds to a component
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# name, the target component is automatically added to the list of common component
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# requirements.
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if(target STREQUAL "")
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message(FATAL_ERROR "Build target not specified.")
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endif()
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idf_build_set_property(IDF_TARGET ${target})
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__build_set_default(PROJECT_DIR ${CMAKE_SOURCE_DIR})
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__build_set_default(PROJECT_NAME ${CMAKE_PROJECT_NAME})
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__build_set_default(PROJECT_VER 1)
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__build_set_default(BUILD_DIR ${CMAKE_BINARY_DIR})
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idf_build_get_property(project_dir PROJECT_DIR)
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__build_set_default(SDKCONFIG "${project_dir}/sdkconfig")
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__build_set_default(SDKCONFIG_DEFAULTS "")
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# Check for required Python modules
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__build_check_python()
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idf_build_set_property(__COMPONENT_REQUIRES_COMMON ${target} APPEND)
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# Perform early expansion of component CMakeLists.txt in CMake scripting mode.
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# It is here we retrieve the public and private requirements of each component.
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# It is also here we add the common component requirements to each component's
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# own requirements.
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__component_get_requirements()
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idf_build_get_property(component_targets __COMPONENT_TARGETS)
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# Finally, do component expansion. In this case it simply means getting a final list
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# of build component targets given the requirements set by each component.
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# Check if we need to trim the components first, and build initial components list
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# from that.
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if(__COMPONENTS)
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unset(component_targets)
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foreach(component ${__COMPONENTS})
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__component_get_target(component_target ${component})
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if(NOT component_target)
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message(FATAL_ERROR "Failed to resolve component '${component}'.")
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endif()
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list(APPEND component_targets ${component_target})
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endforeach()
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endif()
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foreach(component_target ${component_targets})
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__build_expand_requirements(${component_target})
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endforeach()
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idf_build_unset_property(__COMPONENT_TARGETS_SEEN)
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# Get a list of common component requirements in component targets form (previously
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# we just have a list of component names)
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idf_build_get_property(common_reqs __COMPONENT_REQUIRES_COMMON)
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foreach(common_req ${common_reqs})
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__component_get_target(component_target ${common_req})
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__component_get_property(lib ${component_target} COMPONENT_LIB)
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idf_build_set_property(___COMPONENT_REQUIRES_COMMON ${lib} APPEND)
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endforeach()
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# Generate config values in different formats
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idf_build_get_property(sdkconfig SDKCONFIG)
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idf_build_get_property(sdkconfig_defaults SDKCONFIG_DEFAULTS)
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__kconfig_generate_config("${sdkconfig}" "${sdkconfig_defaults}")
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__build_import_configs()
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|
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# All targets built under this scope is with the ESP-IDF build system
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set(ESP_PLATFORM 1)
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idf_build_set_property(COMPILE_DEFINITIONS "-DESP_PLATFORM" APPEND)
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|
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# Perform component processing (inclusion of project_include.cmake, adding component
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|
# subdirectories, creating library targets, linking libraries, etc.)
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|
__build_process_project_includes()
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|
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idf_build_get_property(idf_path IDF_PATH)
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add_subdirectory(${idf_path} ${build_dir}/esp-idf)
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|
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|
unset(ESP_PLATFORM)
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|
endmacro()
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|
|
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# idf_build_executable
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|
#
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# @brief Specify the executable the build system can attach dependencies to (for generating
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|
# files used for linking, targets which should execute before creating the specified executable,
|
|
# generating additional binary files, generating files related to flashing, etc.)
|
|
function(idf_build_executable elf)
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|
# Set additional link flags for the executable
|
|
idf_build_get_property(link_options LINK_OPTIONS)
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|
# Using LINK_LIBRARIES here instead of LINK_OPTIONS, as the latter is not in CMake 3.5.
|
|
set_property(TARGET ${elf} APPEND PROPERTY LINK_LIBRARIES "${link_options}")
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|
|
|
# Propagate link dependencies from component library targets to the executable
|
|
idf_build_get_property(link_depends __LINK_DEPENDS)
|
|
set_property(TARGET ${elf} APPEND PROPERTY LINK_DEPENDS "${link_depends}")
|
|
|
|
# Set the EXECUTABLE_NAME and EXECUTABLE properties since there are generator expression
|
|
# from components that depend on it
|
|
get_filename_component(elf_name ${elf} NAME_WE)
|
|
get_target_property(elf_dir ${elf} BINARY_DIR)
|
|
|
|
idf_build_set_property(EXECUTABLE_NAME ${elf_name})
|
|
idf_build_set_property(EXECUTABLE ${elf})
|
|
idf_build_set_property(EXECUTABLE_DIR "${elf_dir}")
|
|
|
|
# Add dependency of the build target to the executable
|
|
add_dependencies(${elf} __idf_build_target)
|
|
endfunction()
|
|
|
|
# idf_build_get_config
|
|
#
|
|
# @brief Get value of specified config variable
|
|
function(idf_build_get_config var config)
|
|
cmake_parse_arguments(_ "GENERATOR_EXPRESSION" "" "" ${ARGN})
|
|
if(__GENERATOR_EXPRESSION)
|
|
set(val "$<TARGET_PROPERTY:__idf_build_target,${config}>")
|
|
else()
|
|
get_property(val TARGET __idf_build_target PROPERTY ${config})
|
|
endif()
|
|
set(${var} ${val} PARENT_SCOPE)
|
|
endfunction()
|