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For a minimal build, default to off for components unless the MPM_DEVICE or the user requests it specifically.
104 lines
4.3 KiB
CMake
104 lines
4.3 KiB
CMake
#
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# Copyright 2018 Ettus Research, a National Instruments Company
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#
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# SPDX-License-Identifier: GPL-3.0-or-later
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#
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########################################################################
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SET(_mpm_enabled_components "" CACHE INTERNAL "" FORCE)
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SET(_mpm_disabled_components "" CACHE INTERNAL "" FORCE)
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########################################################################
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# Register a component into the system
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# - name the component string name ("FOO")
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# - var the global enable variable (ENABLE_FOO)
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# - enb the default enable setting (ON)
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# - deps a list of dependencies (DEPENDENCY_FOUND)
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# - dis the default disable setting (OFF)
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# - req fail if dependencies not met (unless specifically disabled)
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#
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# In parentheses are examples. If you specify those, we register a component
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# "FOO" which is enabled by calling CMake with -DENABLE_FOO=ON. It defaults to
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# ON, unless DEPENDENCY_FOUND is false, in which case it becomes false.
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########################################################################
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MACRO(MPM_REGISTER_COMPONENT name var enb deps dis req)
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MESSAGE(STATUS "")
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MESSAGE(STATUS "Configuring ${name} support...")
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FOREACH(dep ${deps})
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MESSAGE(STATUS " Dependency ${dep} = ${${dep}}")
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ENDFOREACH(dep)
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# If user specified option, store here. Note: If the user doesn't specify
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# this option on the cmake command line, both user_enabled and
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# user_disabled will be false!
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IF("${${var}}" STREQUAL "OFF")
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SET(user_disabled TRUE)
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ELSE()
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SET(user_disabled FALSE)
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ENDIF("${${var}}" STREQUAL "OFF")
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IF("${${var}}" STREQUAL "ON")
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SET(user_enabled TRUE)
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ELSE()
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SET(user_enabled FALSE)
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ENDIF("${${var}}" STREQUAL "ON")
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# Override default if user set
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IF(user_enabled OR user_disabled)
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SET(option "${${var}}")
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ELSE(user_enabled OR user_disabled)
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SET(option ${req})
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ENDIF()
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# setup the dependent option for this component
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INCLUDE(CMakeDependentOption)
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CMAKE_DEPENDENT_OPTION(${var} "enable ${name} support" ${option} "${deps}" ${dis})
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# There are two failure cases:
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# 1) The user requested this component explicitly (-DENABLE_FOO=ON) but the
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# requirements are not met.
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# 2) The user did not explicitly turn off this component (-DENABLE_FOO=OFF)
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# but it is flagged as required by ${req}
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IF(NOT ${var} AND user_enabled) # Case 1)
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MESSAGE(FATAL_ERROR "Dependencies for required component ${name} not met.")
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ENDIF(NOT ${var} AND user_enabled)
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IF(NOT ${var} AND ${req} AND NOT user_disabled) # Case 2)
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MESSAGE(FATAL_ERROR "Dependencies for required component ${name} not met.")
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ENDIF(NOT ${var} AND ${req} AND NOT user_disabled)
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#append the component into one of the lists
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IF(${var})
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MESSAGE(STATUS " Enabling ${name} support.")
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LIST(APPEND _mpm_enabled_components ${name})
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ELSE(${var})
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MESSAGE(STATUS " Disabling ${name} support.")
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LIST(APPEND _mpm_disabled_components ${name})
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ENDIF(${var})
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MESSAGE(STATUS " Override with -D${var}=ON/OFF")
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#make components lists into global variables
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SET(_mpm_enabled_components ${_uhd_enabled_components} CACHE INTERNAL "" FORCE)
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SET(_mpm_disabled_components ${_uhd_disabled_components} CACHE INTERNAL "" FORCE)
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ENDMACRO(MPM_REGISTER_COMPONENT)
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########################################################################
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# Print the registered component summary
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########################################################################
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FUNCTION(MPM_PRINT_COMPONENT_SUMMARY)
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MESSAGE(STATUS "")
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MESSAGE(STATUS "######################################################")
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MESSAGE(STATUS "# MPM enabled components ")
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MESSAGE(STATUS "######################################################")
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FOREACH(comp ${_mpm_enabled_components})
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MESSAGE(STATUS " * ${comp}")
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ENDFOREACH(comp)
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MESSAGE(STATUS "")
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MESSAGE(STATUS "######################################################")
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MESSAGE(STATUS "# MPM disabled components ")
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MESSAGE(STATUS "######################################################")
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FOREACH(comp ${_mpm_disabled_components})
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MESSAGE(STATUS " * ${comp}")
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ENDFOREACH(comp)
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MESSAGE(STATUS "")
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ENDFUNCTION(MPM_PRINT_COMPONENT_SUMMARY)
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