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Per-source copyright/license notice headers that spell out copyright holder names and years are hard to maintain and often out-of-date or plain wrong. Precise contributor information is already maintained automatically by the version control tool. Ultimately it is the receiver of a file who is responsible for determining its licensing status, and per-source notices are merely a convenience. Therefore it is simpler and more accurate for each source to have a generic notice of the license name and references to more detailed information on copyright holders and full license terms. Our `Copyright.txt` file now contains a list of Contributors whose names appeared source-level copyright notices. It also references version control history for more precise information. Therefore we no longer need to spell out the list of Contributors in each source file notice. Replace CMake per-source copyright/license notice headers with a short description of the license and links to `Copyright.txt` and online information available from "https://cmake.org/licensing". The online URL also handles cases of modules being copied out of our source into other projects, so we can drop our notices about replacing links with full license text. Run the `Utilities/Scripts/filter-notices.bash` script to perform the majority of the replacements mechanically. Manually fix up shebang lines and trailing newlines in a few files. Manually update the notices in a few files that the script does not handle.
236 lines
9.7 KiB
CMake
236 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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#
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# This module defines variables and macros required to build eCos application.
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#
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# This file contains the following macros:
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# ECOS_ADD_INCLUDE_DIRECTORIES() - add the eCos include dirs
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# ECOS_ADD_EXECUTABLE(name source1 ... sourceN ) - create an eCos
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# executable ECOS_ADJUST_DIRECTORY(VAR source1 ... sourceN ) - adjusts
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# the path of the source files and puts the result into VAR
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#
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# Macros for selecting the toolchain: ECOS_USE_ARM_ELF_TOOLS() - enable
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# the ARM ELF toolchain for the directory where it is called
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# ECOS_USE_I386_ELF_TOOLS() - enable the i386 ELF toolchain for the
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# directory where it is called ECOS_USE_PPC_EABI_TOOLS() - enable the
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# PowerPC toolchain for the directory where it is called
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#
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# It contains the following variables: ECOS_DEFINITIONS
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# ECOSCONFIG_EXECUTABLE ECOS_CONFIG_FILE - defaults to ecos.ecc, if your
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# eCos configuration file has a different name, adjust this variable for
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# internal use only:
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#
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# ::
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#
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# ECOS_ADD_TARGET_LIB
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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 supresses 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> <FLAGS> -o <OBJECT> -c <SOURCE>")
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set(CMAKE_CXX_COMPILE_OBJECT "<CMAKE_CXX_COMPILER> <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 ${ECOS_LD_MCPU}")
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# some strict compiler flags
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set (CMAKE_C_FLAGS "-Wstrict-prototypes")
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set (CMAKE_CXX_FLAGS "-Woverloaded-virtual -fno-rtti -Wctor-dtor-privacy -fno-strict-aliasing -fno-exceptions")
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add_executable(${_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_directory_properties(
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PROPERTIES
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ADDITIONAL_MAKE_CLEAN_FILES "${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.bin;${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.srec;${CMAKE_CURRENT_BINARY_DIR}/${_exe_NAME}.lst;"
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)
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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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