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246 lines
9.7 KiB
CMake
246 lines
9.7 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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UseEcos
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-------
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This module defines variables and macros required to build eCos application.
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This file contains the following macros:
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``ECOS_ADD_INCLUDE_DIRECTORIES()``
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add the eCos include dirs
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``ECOS_ADD_EXECUTABLE(name source1 ... sourceN )``
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create an eCos executable
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``ECOS_ADJUST_DIRECTORY(VAR source1 ... sourceN )``
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adjusts the path of the source files and puts the result into ``VAR``
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Macros for selecting the toolchain:
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``ECOS_USE_ARM_ELF_TOOLS()``
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enable the ARM ELF toolchain for the directory where it is called
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``ECOS_USE_I386_ELF_TOOLS()``
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enable the i386 ELF toolchain for the directory where it is called
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``ECOS_USE_PPC_EABI_TOOLS()``
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enable the PowerPC toolchain for the directory where it is called
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It contains the following variables:
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``ECOS_DEFINITIONS``
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``ECOSCONFIG_EXECUTABLE``
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``ECOS_CONFIG_FILE``
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defaults to ecos.ecc, if your eCos configuration file has a different name, adjust this variable for internal use only:
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::
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ECOS_ADD_TARGET_LIB
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#]=======================================================================]
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# first check that ecosconfig is available
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find_program(ECOSCONFIG_EXECUTABLE NAMES ecosconfig)
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if(NOT ECOSCONFIG_EXECUTABLE)
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message(SEND_ERROR "ecosconfig was not found. Either include it in the system path or set it manually using ccmake.")
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else()
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message(STATUS "Found ecosconfig: ${ECOSCONFIG_EXECUTABLE}")
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endif()
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# check that ECOS_REPOSITORY is set correctly
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if (NOT EXISTS $ENV{ECOS_REPOSITORY}/ecos.db)
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message(SEND_ERROR "The environment variable ECOS_REPOSITORY is not set correctly. Set it to the directory which contains the file ecos.db")
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else ()
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message(STATUS "ECOS_REPOSITORY is set to $ENV{ECOS_REPOSITORY}")
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endif ()
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# check that tclsh (coming with TCL) is available, otherwise ecosconfig doesn't work
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find_package(Tclsh)
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if (NOT TCL_TCLSH)
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message(SEND_ERROR "The TCL tclsh was not found. Please install TCL, it is required for building eCos applications.")
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else ()
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message(STATUS "tlcsh found: ${TCL_TCLSH}")
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endif ()
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#add the globale include-diretories
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#usage: ECOS_ADD_INCLUDE_DIRECTORIES()
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macro(ECOS_ADD_INCLUDE_DIRECTORIES)
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#check for ProjectSources.txt one level higher
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if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/../ProjectSources.txt)
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include_directories(${CMAKE_CURRENT_SOURCE_DIR}/../)
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else ()
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include_directories(${CMAKE_CURRENT_SOURCE_DIR}/)
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endif ()
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#the ecos include directory
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include_directories(${CMAKE_CURRENT_BINARY_DIR}/ecos/install/include/)
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endmacro()
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#we want to compile for the xscale processor, in this case the following macro has to be called
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#usage: ECOS_USE_ARM_ELF_TOOLS()
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macro (ECOS_USE_ARM_ELF_TOOLS)
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set(CMAKE_CXX_COMPILER "arm-elf-c++")
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set(CMAKE_COMPILER_IS_GNUCXX 1)
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set(CMAKE_C_COMPILER "arm-elf-gcc")
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set(CMAKE_AR "arm-elf-ar")
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set(CMAKE_RANLIB "arm-elf-ranlib")
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#for linking
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set(ECOS_LD_MCPU "-mcpu=xscale")
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#for compiling
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add_definitions(-mcpu=xscale -mapcs-frame)
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#for the obj-tools
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set(ECOS_ARCH_PREFIX "arm-elf-")
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endmacro ()
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#usage: ECOS_USE_PPC_EABI_TOOLS()
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macro (ECOS_USE_PPC_EABI_TOOLS)
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set(CMAKE_CXX_COMPILER "powerpc-eabi-c++")
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set(CMAKE_COMPILER_IS_GNUCXX 1)
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set(CMAKE_C_COMPILER "powerpc-eabi-gcc")
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set(CMAKE_AR "powerpc-eabi-ar")
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set(CMAKE_RANLIB "powerpc-eabi-ranlib")
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#for linking
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set(ECOS_LD_MCPU "")
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#for compiling
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add_definitions()
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#for the obj-tools
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set(ECOS_ARCH_PREFIX "powerpc-eabi-")
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endmacro ()
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#usage: ECOS_USE_I386_ELF_TOOLS()
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macro (ECOS_USE_I386_ELF_TOOLS)
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set(CMAKE_CXX_COMPILER "i386-elf-c++")
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set(CMAKE_COMPILER_IS_GNUCXX 1)
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set(CMAKE_C_COMPILER "i386-elf-gcc")
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set(CMAKE_AR "i386-elf-ar")
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set(CMAKE_RANLIB "i386-elf-ranlib")
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#for linking
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set(ECOS_LD_MCPU "")
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#for compiling
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add_definitions()
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#for the obj-tools
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set(ECOS_ARCH_PREFIX "i386-elf-")
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endmacro ()
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#since the actual sources are located one level upwards
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#a "../" has to be prepended in front of every source file
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#call the following macro to achieve this, the first parameter
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#is the name of the new list of source files with adjusted paths,
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#followed by all source files
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#usage: ECOS_ADJUST_DIRECTORY(adjusted_SRCS ${my_srcs})
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macro(ECOS_ADJUST_DIRECTORY _target_FILES )
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foreach (_current_FILE ${ARGN})
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get_filename_component(_abs_FILE ${_current_FILE} ABSOLUTE)
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if (NOT ${_abs_FILE} STREQUAL ${_current_FILE})
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get_filename_component(_abs_FILE ${CMAKE_CURRENT_SOURCE_DIR}/../${_current_FILE} ABSOLUTE)
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endif ()
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list(APPEND ${_target_FILES} ${_abs_FILE})
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endforeach ()
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endmacro()
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# the default ecos config file name
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# maybe in future also out-of-source builds may be possible
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set(ECOS_CONFIG_FILE ecos.ecc)
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#creates the dependency from all source files on the ecos target.ld,
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#adds the command for compiling ecos
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macro(ECOS_ADD_TARGET_LIB)
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# when building out-of-source, create the ecos/ subdir
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if(NOT EXISTS ${CMAKE_CURRENT_BINARY_DIR}/ecos)
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file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/ecos)
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endif()
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#sources depend on target.ld
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set_source_files_properties(
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${ARGN}
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PROPERTIES
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OBJECT_DEPENDS
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${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib/target.ld
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)
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add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib/target.ld
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COMMAND sh -c \"make -C ${CMAKE_CURRENT_BINARY_DIR}/ecos || exit -1\; if [ -e ${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib/target.ld ] \; then touch ${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib/target.ld\; fi\"
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DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/ecos/makefile
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)
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add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/ecos/makefile
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COMMAND sh -c \" cd ${CMAKE_CURRENT_BINARY_DIR}/ecos\; ${ECOSCONFIG_EXECUTABLE} --config=${CMAKE_CURRENT_SOURCE_DIR}/ecos/${ECOS_CONFIG_FILE} tree || exit -1\;\"
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DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/ecos/${ECOS_CONFIG_FILE}
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)
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add_custom_target( ecos make -C ${CMAKE_CURRENT_BINARY_DIR}/ecos/ DEPENDS ${CMAKE_CURRENT_BINARY_DIR}/ecos/makefile )
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endmacro()
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# get the directory of the current file, used later on in the file
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get_filename_component( ECOS_CMAKE_MODULE_DIR ${CMAKE_CURRENT_LIST_FILE} PATH)
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#macro for creating an executable ecos application
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#the first parameter is the name of the executable,
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#the second is the list of all source files (where the path
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#has been adjusted beforehand by calling ECOS_ADJUST_DIRECTORY()
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#usage: ECOS_ADD_EXECUTABLE(my_app ${adjusted_SRCS})
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macro(ECOS_ADD_EXECUTABLE _exe_NAME )
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#definitions, valid for all ecos projects
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#the optimization and "-g" for debugging has to be enabled
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#in the project-specific CMakeLists.txt
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add_definitions(-D__ECOS__=1 -D__ECOS=1)
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set(ECOS_DEFINITIONS -Wall -Wno-long-long -pipe -fno-builtin)
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#the executable depends on ecos target.ld
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ECOS_ADD_TARGET_LIB(${ARGN})
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# when using nmake makefiles, the custom buildtype suppresses the default cl.exe flags
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# and the rules for creating objects are adjusted for gcc
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set(CMAKE_BUILD_TYPE CUSTOM_ECOS_BUILD)
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set(CMAKE_C_COMPILE_OBJECT "<CMAKE_C_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> -c <SOURCE>")
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set(CMAKE_CXX_COMPILE_OBJECT "<CMAKE_CXX_COMPILER> <DEFINES> <INCLUDES> <FLAGS> -o <OBJECT> -c <SOURCE>")
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# special link commands for ecos-executables
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set(CMAKE_CXX_LINK_EXECUTABLE "<CMAKE_CXX_COMPILER> <CMAKE_CXX_LINK_FLAGS> <OBJECTS> -o <TARGET> ${_ecos_EXTRA_LIBS} -nostdlib -nostartfiles -L${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib -Ttarget.ld ${ECOS_LD_MCPU}")
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set(CMAKE_C_LINK_EXECUTABLE "<CMAKE_C_COMPILER> <CMAKE_C_LINK_FLAGS> <OBJECTS> -o <TARGET> ${_ecos_EXTRA_LIBS} -nostdlib -nostartfiles -L${CMAKE_CURRENT_BINARY_DIR}/ecos/install/lib -Ttarget.ld ${ECOS_LD_MCPU}")
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# some strict compiler flags
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set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wstrict-prototypes")
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set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Woverloaded-virtual -fno-rtti -Wctor-dtor-privacy -fno-strict-aliasing -fno-exceptions")
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add_executable(${_exe_NAME} ${ARGN})
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set_target_properties(${_exe_NAME} PROPERTIES SUFFIX ".elf")
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#create a binary file
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add_custom_command(
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TARGET ${_exe_NAME}
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POST_BUILD
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COMMAND ${ECOS_ARCH_PREFIX}objcopy
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ARGS -O binary ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.elf ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.bin
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)
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#and an srec file
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add_custom_command(
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TARGET ${_exe_NAME}
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POST_BUILD
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COMMAND ${ECOS_ARCH_PREFIX}objcopy
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ARGS -O srec ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.elf ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.srec
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)
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#add the created files to the clean-files
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set_property(DIRECTORY APPEND PROPERTY ADDITIONAL_CLEAN_FILES
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"${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.bin"
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"${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.srec"
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"${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst")
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add_custom_target(ecosclean ${CMAKE_COMMAND} -DECOS_DIR=${CMAKE_CURRENT_BINARY_DIR}/ecos/ -P ${ECOS_CMAKE_MODULE_DIR}/ecos_clean.cmake )
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add_custom_target(normalclean ${CMAKE_MAKE_PROGRAM} clean WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})
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add_dependencies (ecosclean normalclean)
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add_custom_target( listing
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COMMAND echo -e \"\\n--- Symbols sorted by address ---\\n\" > ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst
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COMMAND ${ECOS_ARCH_PREFIX}nm -S -C -n ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.elf >> ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst
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COMMAND echo -e \"\\n--- Symbols sorted by size ---\\n\" >> ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst
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COMMAND ${ECOS_ARCH_PREFIX}nm -S -C -r --size-sort ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.elf >> ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst
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COMMAND echo -e \"\\n--- Full assembly listing ---\\n\" >> ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst
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COMMAND ${ECOS_ARCH_PREFIX}objdump -S -x -d -C ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.elf >> ${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst )
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endmacro()
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