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cmake: Add component dependency support

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Components should set the COMPONENT_REQUIRES & COMPONENT_PRIVATE_REQUIRES variables to define their
requirements.
This commit is contained in:
Angus Gratton
2018-03-22 17:27:10 +11:00
committed by Angus Gratton
parent 4a2f1f0354
commit 1cb5712463
56 changed files with 562 additions and 201 deletions
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36
tools/cmake/project.cmake
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@@ -46,16 +46,32 @@ macro(project name)
# Set global variables used by rest of the build
idf_set_global_variables()
# Search COMPONENT_DIRS for COMPONENTS, make a list of full paths to each
# component in COMPONENT_PATHS
components_find_all("${COMPONENT_DIRS}" "${COMPONENTS}"
COMPONENT_PATHS COMPONENTS)
# Establish dependencies for components in the build
# (this happens before we even generate config...)
if(COMPONENTS)
# Make sure if an explicit list of COMPONENTS is given, it contains the "common" component requirements
# (otherwise, if COMPONENTS is empty then all components will be included in the build.)
set(COMPONENTS "${COMPONENTS} ${COMPONENT_REQUIRES_COMMON}")
endif()
execute_process(COMMAND "${CMAKE_COMMAND}"
-D "COMPONENTS=${COMPONENTS}"
-D "DEPENDENCIES_FILE=${CMAKE_BINARY_DIR}/component_depends.cmake"
-D "COMPONENT_DIRS=${COMPONENT_DIRS}"
-D "BOOTLOADER_BUILD=${BOOTLOADER_BUILD}"
-P "${IDF_PATH}/tools/cmake/scripts/expand_requirements.cmake"
WORKING_DIRECTORY "${IDF_PATH}/tools/cmake")
include("${CMAKE_BINARY_DIR}/component_depends.cmake")
# We now have the following component-related variables:
# COMPONENTS is the list of initial components set by the user (or empty to include all components in the build).
# BUILD_COMPONENTS is the list of components to include in the build.
# BUILD_COMPONENT_PATHS is the paths to all of these components.
# Print list of components
string(REPLACE ";" " " COMPONENTS_SPACES "${COMPONENTS}")
message(STATUS "Component names: ${COMPONENTS_SPACES}")
unset(COMPONENTS_SPACES)
message(STATUS "Component paths: ${COMPONENT_PATHS}")
string(REPLACE ";" " " BUILD_COMPONENTS_SPACES "${BUILD_COMPONENTS}")
message(STATUS "Component names: ${BUILD_COMPONENTS_SPACES}")
unset(BUILD_COMPONENTS_SPACES)
message(STATUS "Component paths: ${BUILD_COMPONENT_PATHS}")
kconfig_set_variables()
@@ -88,14 +104,14 @@ macro(project name)
git_describe(PROJECT_VER "${CMAKE_CURRENT_SOURCE_DIR}")
# Include any top-level project_include.cmake files from components
foreach(component ${COMPONENT_PATHS})
foreach(component ${BUILD_COMPONENT_PATHS})
include_if_exists("${component}/project_include.cmake")
endforeach()
#
# Add each component to the build as a library
#
foreach(COMPONENT_PATH ${COMPONENT_PATHS})
foreach(COMPONENT_PATH ${BUILD_COMPONENT_PATHS})
get_filename_component(COMPONENT_NAME ${COMPONENT_PATH} NAME)
add_subdirectory(${COMPONENT_PATH} ${COMPONENT_NAME})
endforeach()