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#
# Copyright 2010-2011,2013,2015 Ettus Research LLC
# Copyright 2018 Ettus Research, a National Instruments Company
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
########################################################################
set(_uhd_enabled_components "" CACHE INTERNAL "" FORCE)
set(_uhd_disabled_components "" CACHE INTERNAL "" FORCE)
########################################################################
# Register a component into the system
# - name the component string name ("FOO")
# - var the global enable variable (ENABLE_FOO)
# - enb the default enable setting (ON)
# - deps a list of dependencies (DEPENDENCY_FOUND)
# - dis the default disable setting (OFF)
# - req fail if dependencies not met (unless specifically disabled)
#
# In parentheses are examples. If you specify those, we register a component
# "FOO" which is enabled by calling CMake with -DENABLE_FOO=ON. It defaults to
# ON, unless DEPENDENCY_FOUND is false, in which case it becomes false.
########################################################################
macro(LIBUHD_REGISTER_COMPONENT name var enb deps dis req)
message(STATUS "")
message(STATUS "Configuring ${name} support...")
foreach(dep ${deps})
message(STATUS " Dependency ${dep} = ${${dep}}")
endforeach(dep)
# If user specified option, store here. Note: If the user doesn't specify
# this option on the cmake command line, both user_enabled and
# user_disabled will be false!
if("${${var}}" STREQUAL "OFF")
set(user_disabled TRUE)
else()
set(user_disabled FALSE)
endif("${${var}}" STREQUAL "OFF")
if("${${var}}" STREQUAL "ON")
set(user_enabled TRUE)
else()
set(user_enabled FALSE)
endif("${${var}}" STREQUAL "ON")
#setup the dependent option for this component
include(CMakeDependentOption)
CMAKE_DEPENDENT_OPTION(${var} "enable ${name} support" ${enb} "${deps}" ${dis})
# There are two failure cases:
# 1) The user requested this component explicitly (-DENABLE_FOO=ON) but the
# requirements are not met.
# 2) The user did not explicitly turn off this component (-DENABLE_FOO=OFF)
# but it is flagged as required by ${req}
if(NOT ${var} AND user_enabled) # Case 1)
message(FATAL_ERROR "Dependencies for required component ${name} not met.")
endif(NOT ${var} AND user_enabled)
if(NOT ${var} AND ${req} AND NOT user_disabled) # Case 2)
message(FATAL_ERROR "Dependencies for required component ${name} not met.")
endif(NOT ${var} AND ${req} AND NOT user_disabled)
#append the component into one of the lists
if(${var})
message(STATUS " Enabling ${name} support.")
list(APPEND _uhd_enabled_components ${name})
else(${var})
message(STATUS " Disabling ${name} support.")
list(APPEND _uhd_disabled_components ${name})
endif(${var})
message(STATUS " Override with -D${var}=ON/OFF")
#make components lists into global variables
set(_uhd_enabled_components ${_uhd_enabled_components} CACHE INTERNAL "" FORCE)
set(_uhd_disabled_components ${_uhd_disabled_components} CACHE INTERNAL "" FORCE)
endmacro(LIBUHD_REGISTER_COMPONENT)
########################################################################
# Install only if appropriate for package and if component is enabled
########################################################################
function(UHD_INSTALL)
include(CMakeParseArgumentsCopy)
cmake_parse_arguments(UHD_INSTALL "" "DESTINATION;COMPONENT" "TARGETS;FILES;PROGRAMS" ${ARGN})
if(UHD_INSTALL_FILES)
set(TO_INSTALL "${UHD_INSTALL_FILES}")
elseif(UHD_INSTALL_PROGRAMS)
set(TO_INSTALL "${UHD_INSTALL_PROGRAMS}")
elseif(UHD_INSTALL_TARGETS)
set(TO_INSTALL "${UHD_INSTALL_TARGETS}")
endif(UHD_INSTALL_FILES)
if(UHD_INSTALL_COMPONENT STREQUAL "headers")
if(NOT LIBUHD_PKG AND NOT UHDHOST_PKG)
install(${ARGN})
endif(NOT LIBUHD_PKG AND NOT UHDHOST_PKG)
elseif(UHD_INSTALL_COMPONENT STREQUAL "devel")
if(NOT LIBUHD_PKG AND NOT UHDHOST_PKG)
install(${ARGN})
endif(NOT LIBUHD_PKG AND NOT UHDHOST_PKG)
elseif(UHD_INSTALL_COMPONENT STREQUAL "examples")
if(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG)
install(${ARGN})
endif(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG)
elseif(UHD_INSTALL_COMPONENT STREQUAL "tests")
if(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG)
install(${ARGN})
endif(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG)
elseif(UHD_INSTALL_COMPONENT STREQUAL "utilities")
if(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG)
install(${ARGN})
endif(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG)
elseif(UHD_INSTALL_COMPONENT STREQUAL "manual")
if(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG)
install(${ARGN})
endif(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG)
elseif(UHD_INSTALL_COMPONENT STREQUAL "doxygen")
if(NOT LIBUHD_PKG AND NOT UHDHOST_PKG)
install(${ARGN})
endif(NOT LIBUHD_PKG AND NOT UHDHOST_PKG)
elseif(UHD_INSTALL_COMPONENT STREQUAL "manpages")
if(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG)
install(${ARGN})
endif(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG)
elseif(UHD_INSTALL_COMPONENT STREQUAL "images")
if(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG AND NOT UHDHOST_PKG)
install(${ARGN})
endif(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG AND NOT UHDHOST_PKG)
elseif(UHD_INSTALL_COMPONENT STREQUAL "readme")
if(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG AND NOT UHDHOST_PKG)
install(${ARGN})
endif(NOT LIBUHD_PKG AND NOT LIBUHDDEV_PKG AND NOT UHDHOST_PKG)
endif(UHD_INSTALL_COMPONENT STREQUAL "headers")
endfunction(UHD_INSTALL)
########################################################################
# Print the registered component summary
########################################################################
function(UHD_PRINT_COMPONENT_SUMMARY)
message(STATUS "")
message(STATUS "######################################################")
message(STATUS "# UHD enabled components ")
message(STATUS "######################################################")
foreach(comp ${_uhd_enabled_components})
message(STATUS " * ${comp}")
endforeach(comp)
message(STATUS "")
message(STATUS "######################################################")
message(STATUS "# UHD disabled components ")
message(STATUS "######################################################")
foreach(comp ${_uhd_disabled_components})
message(STATUS " * ${comp}")
endforeach(comp)
message(STATUS "")
endfunction(UHD_PRINT_COMPONENT_SUMMARY)
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