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cmake_minimum_required(VERSION 3.12)
if(${CMAKE_SYSTEM_NAME} MATCHES "Linux")
SET(SYSTEM_IS_LINUX TRUE)
SET(UDEV_OPTION_DEFAULT ON)
else()
SET(SYSTEM_IS_LINUX FALSE)
SET(UDEV_OPTION_DEFAULT OFF)
endif()
option(INSTALL_UDEV_RULES
"Install udev rules for the Ubertooth"
${UDEV_OPTION_DEFAULT}
)
set(UDEV_RULES_PATH
"/etc/udev/rules.d"
CACHE STRING
"Target directory for udev rule installation. Ensure you have permissions to write to this directory."
)
if(SYSTEM_IS_LINUX)
if(INSTALL_UDEV_RULES)
if(NOT DEFINED UDEV_RULES_GROUP)
foreach(group usb plugdev)
execute_process(COMMAND "getent" group "${group}"
RESULT_VARIABLE _GETENT_RESULT
OUTPUT_QUIET
ERROR_QUIET)
if(NOT _GETENT_RESULT)
message(STATUS "Setting udev rule group to - ${group}")
set(UDEV_RULES_GROUP ${group})
break()
endif(NOT _GETENT_RESULT)
endforeach(group)
endif(NOT DEFINED UDEV_RULES_GROUP)
if(DEFINED UDEV_RULES_GROUP)
set(UBERTOOTH_GROUP "${UDEV_RULES_GROUP}"
CACHE STRING "Group to associate Ubertooth devices with in udev rules")
configure_file(${CMAKE_CURRENT_SOURCE_DIR}/40-ubertooth.rules.in
${CMAKE_CURRENT_BINARY_DIR}/40-ubertooth.rules
@ONLY
)
message(STATUS "Ubertooth udev rules will be installed to '${UDEV_RULES_PATH}' upon running 'make install'")
install(FILES ${CMAKE_CURRENT_BINARY_DIR}/40-ubertooth.rules
DESTINATION ${UDEV_RULES_PATH}
COMPONENT "udev_rules")
else(UDEV_RULES_GROUP)
message(STATUS "Ubertooth udev rules will not be installed because no suitable group was found")
message(STATUS "A group can be specified with -DUDEV_RULES_GROUP=<group>")
endif(DEFINED UDEV_RULES_GROUP)
else(INSTALL_UDEV_RULES)
message(STATUS
"Ubertooth udev rules will not be installed because INSTALL_UDEV_RULES=OFF"
)
endif(INSTALL_UDEV_RULES)
else(SYSTEM_IS_LINUX)
if(INSTALL_UDEV_RULES)
message(STATUS "udev rules not supported on this platform. Hide this message via -DINSTALL_UDEV_RULES=Off")
endif(INSTALL_UDEV_RULES)
endif(SYSTEM_IS_LINUX)
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