Merge pull request #202 from dominicgs/cmake-fix

Move udev rule to libhackrf/

Author: mossmann

host/CMakeLists.txt

@@ -5,7 +5,6 @@ project (hackrf_all)
 
 add_subdirectory(libhackrf)
 add_subdirectory(hackrf-tools)
-add_subdirectory(misc)
 
 ########################################################################
 # Create uninstall target

host/misc/udev/53-hackrf.rules.in renamed to host/libhackrf/53-hackrf.rules.in

@@ -86,6 +86,70 @@ INSTALL(
     DESTINATION ${libpkgdata}/pkgconfig
 )
 
+########################################################################
+# Create Pkg Config File
+########################################################################
+
+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 HackRF"
+    ${UDEV_OPTION_DEFAULT}
+)
+
+set(UDEV_RULES_PATH
+    "/etc/udev/rules.d"
+    CACHE STRING
+    "Target directory for udev rule installation. Ensure you have permissions to write to this directory."
+)
+
+if(SYSTEM_IS_LINUX)
+    if(INSTALL_UDEV_RULES)
+        if(NOT DEFINED UDEV_RULES_GROUP)
+            foreach(group usb plugdev)
+                execute_process(COMMAND "getent" group "${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 ${group})
+                    break()
+                endif(NOT _GETENT_RESULT)
+            endforeach(group)
+        endif(NOT DEFINED UDEV_RULES_GROUP)
+        if(DEFINED UDEV_RULES_GROUP)
+            set(HACKRF_GROUP "${UDEV_RULES_GROUP}"
+                CACHE STRING "Group to associate HackRF devices with in udev rules")
+            configure_file(${CMAKE_CURRENT_SOURCE_DIR}/53-hackrf.rules.in
+                        ${CMAKE_CURRENT_BINARY_DIR}/53-hackrf.rules
+                        @ONLY
+                        )
+            message(STATUS  "HackRF udev rules will be installed to '${UDEV_RULES_PATH}' upon running 'make install'")
+            install(FILES ${CMAKE_CURRENT_BINARY_DIR}/53-hackrf.rules
+                    DESTINATION ${UDEV_RULES_PATH}
+                    COMPONENT "udev_rules")
+        else(UDEV_RULES_GROUP)
+            message(STATUS "HackRF 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
+                "HackRF 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)
+
 ########################################################################
 # Create uninstall target
 ########################################################################