pico-sdk/src/CMakeLists.txt

121 lines
5.6 KiB
CMake

cmake_policy(SET CMP0079 NEW) # allow inserting of dependencies into our INTERFACE libraries
set(PICO_PLATFORM_CMAKE_FILE "" CACHE INTERNAL "")
set(PICO_DOXYGEN_PATHS "" CACHE INTERNAL "") # generated each time
if (NOT PICO_PLATFORM_CMAKE_FILE)
set(PICO_PLATFORM_CMAKE_FILE ${CMAKE_CURRENT_LIST_DIR}/${PICO_PLATFORM}.cmake CACHE INTERNAL "")
endif ()
if (NOT EXISTS "${PICO_PLATFORM_CMAKE_FILE}")
message(FATAL_ERROR "${PICO_PLATFORM_CMAKE_FILE} does not exist. \
Either specify a valid PICO_PLATFORM (or PICO_PLATFORM_CMAKE_FILE).")
endif ()
# Initialize board related build/compile settings
include(${CMAKE_CURRENT_LIST_DIR}/board_setup.cmake)
# call add_subdirectory(subdir) unless SKIP_SUBDIR evaluates to true
function(pico_add_subdirectory subdir)
# todo add option to disable skip flag
string(TOUPPER ${subdir} subdir_upper)
set(replace_flag SKIP_${subdir_upper})
if (NOT ${replace_flag})
add_subdirectory(${subdir})
else ()
message("Not including ${subdir} because ${replace_flag} defined.")
endif ()
pico_promote_common_scope_vars()
endfunction()
# add a link option to wrap the given function name; i.e. -Wl:wrap=FUNCNAME for gcc
function(pico_wrap_function TARGET FUNCNAME)
target_link_options(${TARGET} INTERFACE "LINKER:--wrap=${FUNCNAME}")
endfunction()
# add map file generation for the given target
function(pico_add_map_output TARGET)
get_target_property(target_type ${TARGET} TYPE)
if ("EXECUTABLE" STREQUAL "${target_type}")
target_link_options(${TARGET} PRIVATE "LINKER:-Map=$<IF:$<BOOL:$<TARGET_PROPERTY:OUTPUT_NAME>>,$<TARGET_PROPERTY:OUTPUT_NAME>,$<TARGET_PROPERTY:NAME>>${CMAKE_EXECUTABLE_SUFFIX}.map")
else ()
target_link_options(${TARGET} INTERFACE "LINKER:-Map=$<IF:$<BOOL:$<TARGET_PROPERTY:OUTPUT_NAME>>,$<TARGET_PROPERTY:OUTPUT_NAME>,$<TARGET_PROPERTY:NAME>>${CMAKE_EXECUTABLE_SUFFIX}.map")
endif ()
endfunction()
# create a hardware_NAME_headers target (see pico_pico_simple_hardware_headers_target)
# create a hardware_NAME target (see pico_pico_simple_hardware_target)
macro(pico_simple_hardware_target NAME)
pico_simple_hardware_headers_target(${NAME})
pico_simple_hardware_impl_target(${NAME})
endmacro()
# create an INTERFACE library named target, and define LIB_TARGET=1 (upper case) as a compile option
function(pico_add_impl_library target)
add_library(${target} INTERFACE)
string(TOUPPER ${target} TARGET_UPPER)
target_compile_definitions(${target} INTERFACE LIB_${TARGET_UPPER}=1)
endfunction()
# create an INTERFACE library named hardware_NAME_headers INTERFACE library if it doesn't already exist,
# and add include/ relative to the calling directory to the includes.
# and hardware_structs and hardware_claim as dependencies of the library
macro(pico_simple_hardware_headers_target NAME)
if (NOT TARGET hardware_${NAME}_headers)
add_library(hardware_${NAME}_headers INTERFACE)
target_include_directories(hardware_${NAME}_headers INTERFACE ${CMAKE_CURRENT_LIST_DIR}/include)
target_link_libraries(hardware_${NAME}_headers INTERFACE pico_base_headers)
if (NOT PICO_NO_HARDWARE)
target_link_libraries(hardware_${NAME}_headers INTERFACE hardware_structs hardware_claim)
endif()
endif()
endmacro()
# create an INTERFACE library named hardware_NAME if it doesn't exist, along with a hardware_NAME_headers
# INTERFACE library that it depends on. The hardware_NAME_headers library add include/ relative to
# and pico_base_headers, and harddware_structs as a dependency of the library
macro(pico_simple_hardware_headers_only_target NAME)
if (NOT TARGET hardware_${NAME})
# Choosing not to add LIB_HARDWARE_ defines to avoid command line bloat pending a need (they aren't
# super interesting except to determine functionality as they are mostly passive accessors, however
# they could be useful to determine if the header is available.
# pico_add_sdk_impl_library(hardware_${NAME})
add_library(hardware_${NAME} INTERFACE)
target_include_directories(hardware_${NAME} INTERFACE ${CMAKE_CURRENT_LIST_DIR}/include)
target_link_libraries(hardware_${NAME} INTERFACE pico_base_headers)
if (NOT PICO_NO_HARDWARE)
target_link_libraries(hardware_${NAME} INTERFACE hardware_structs)
endif()
endif()
endmacro()
# create an INTERFACE library named hardware_NAME if it doesn't exist, dependent on a pre-existing hardware_NAME_headers
# INTERFACE library and pico_platform. The file NAME.c relative to the caller is added to the C sources for the hardware_NAME
macro(pico_simple_hardware_impl_target NAME)
if (NOT TARGET hardware_${NAME})
# Choosing not to add LIB_HARDWARE_ defines to avoid command line bloat pending a need (they aren't
# super interesting except to determine functionality as they are mostly passive accessors, however
# they could be useful to determine if the header is available.
# pico_add_sdk_impl_library(hardware_${NAME})
add_library(hardware_${NAME} INTERFACE)
target_sources(hardware_${NAME} INTERFACE
${CMAKE_CURRENT_LIST_DIR}/${NAME}.c
)
target_link_libraries(hardware_${NAME} INTERFACE hardware_${NAME}_headers pico_platform)
endif()
endmacro()
function(pico_add_doxygen SOURCE_DIR)
set(PICO_DOXYGEN_PATHS "${PICO_DOXYGEN_PATHS} ${SOURCE_DIR}" CACHE INTERNAL "")
endfunction()
function(pico_add_doxygen_exclude SOURCE_DIR)
set(PICO_DOXYGEN_EXCLUDE_PATHS "${PICO_DOXYGEN_EXCLUDE_PATHS} ${SOURCE_DIR}" CACHE INTERNAL "")
endfunction()
include(${PICO_PLATFORM_CMAKE_FILE})
pico_promote_common_scope_vars()