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CMakeLists.txt
- Committer:
- floatlei
- Date:
- 2016-09-27
- Revision:
- 639:b32fded6b0ae
- Parent:
- 581:39197bcd20f2
File content as of revision 639:b32fded6b0ae:
# # mbed-2 yotta-compatible build system # # make sure necessary features are enabled: project(mbed-classic) enable_language(ASM) # override compilation flags: if(CMAKE_C_COMPILER_ID MATCHES GNU) set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -std=gnu99") endif() # the mbed.a library is built from two sets of source files + include # directories: # # MBED_COMMON_SOURCES: the source files that are the same for all targets, # these are easily found by globbing: # file(GLOB MBED_COMMON_SOURCES "common/*.cpp" "common/*.c") # # (always include the hal header directory, too) set(MBED_COMMON_INCLUDE_DIRS "hal") # and MBED_TARGET_SOURCES: these depend on which target we are building for. To # find these we need to walk the directories in targets/, and wherever we see a # TARGET_<something> name, recurse only if <something> matches what we're # currently building for macro(mbed_find_target_dirs PARENT_DIRECTORY SOURCES_LIST INCLUDES_LIST) # append this directory to the search path: list(APPEND ${INCLUDES_LIST} "${PARENT_DIRECTORY}") # add all source files in this directory to the sources list: file(GLOB sources "${PARENT_DIRECTORY}/*.cpp" "${PARENT_DIRECTORY}/*.c" "${PARENT_DIRECTORY}/*.s" "${PARENT_DIRECTORY}/*.S" ) list(APPEND ${SOURCES_LIST} ${sources}) # get a list of all subdirectories that we want to recurse into: file(GLOB dir_children RELATIVE "${PARENT_DIRECTORY}" "${PARENT_DIRECTORY}/*") set(matching_subdirs "") foreach(child ${dir_children}) if(IS_DIRECTORY "${PARENT_DIRECTORY}/${child}") # is this directory name a magic one? if("${child}" MATCHES "^TARGET_") # target-magic: recurse if the MBED_LEGACY_TARGET_DEFINITIONS **list** # contains a matching value: foreach(legacy_magic_def ${MBED_LEGACY_TARGET_DEFINITIONS}) # we could probably unroll the list into a single regex if # this is a performance problem: if("${child}" MATCHES "^TARGET_${legacy_magic_def}$") list(APPEND matching_subdirs ${child}) break() endif() endforeach() elseif("${child}" MATCHES "^TOOLCHAIN_") # toolchain-magic: (recurse if the MBED_LEGACY_TOOLCHAIN matches # this name) if("${child}" MATCHES "^TOOLCHAIN_${MBED_LEGACY_TOOLCHAIN}$") list(APPEND matching_subdirs "${child}") endif() else() # not special: always recurse into this directory list(APPEND matching_subdirs "${child}") endif() endif() endforeach() #message("matching_subdirs: ${matching_subdirs}") # recurse: foreach(subdir ${matching_subdirs}) mbed_find_target_dirs("${PARENT_DIRECTORY}/${subdir}" ${SOURCES_LIST} ${INCLUDES_LIST}) endforeach() endmacro() set(MBED_TARGET_SOURCES "") set(MBED_TARGET_INCLUDE_DIRS "") mbed_find_target_dirs("${CMAKE_CURRENT_SOURCE_DIR}/targets" MBED_TARGET_SOURCES MBED_TARGET_INCLUDE_DIRS) #message("found target sources: ${MBED_TARGET_SOURCES}") #message("found target include dirs: ${MBED_TARGET_INCLUDE_DIRS}") # unfortunately, for ARMCC, the startup code needs to be provided as an object # on the command line (not as part of an archive). To do this we override the # CMake add_executable command. if(CMAKE_C_COMPILER_ID STREQUAL "ARMCC") set(MBED_TARGET_STARTUP_CODE_SOURCES "") foreach(src ${MBED_TARGET_SOURCES}) if("${src}" MATCHES .*startup_.*\\.[sS]) LIST(APPEND MBED_TARGET_STARTUP_CODE_SOURCES "${src}") endif() endforeach() add_library(mbed_classic_startupcod OBJECT ${MBED_TARGET_STARTUP_CODE_SOURCES}) macro (add_executable _name) _add_executable(${ARGV} $<TARGET_OBJECTS:mbed_classic_startupcod>) endmacro() endif() # we have to append any target-specific include dirs to the global include dirs # list, so that any indirect includes (e.g. via mbed.h) of files in those # directories will work: # (non-target-specific include dirs are listed in extraIncludes in module.json) foreach(dir ${MBED_TARGET_INCLUDE_DIRS}) set_property(GLOBAL APPEND PROPERTY YOTTA_GLOBAL_INCLUDE_DIRS ${dir}) endforeach() # finally, we can construct a library using the determined set of include paths # + source files. Note that the library name must match the name of the yotta # module (defined in module.json) for this module to link properly with other # yotta modules. include_directories(${MBED_COMMON_INCLUDE_DIRS}) include_directories(${MBED_TARGET_INCLUDE_DIRS}) add_library(mbed-classic ${MBED_COMMON_SOURCES} ${MBED_TARGET_SOURCES} )