+AC_DEFUN([_AC_DEFINE_AND_SUBST], [
+ AC_DEFINE_UNQUOTED([CONFIG_$1], [$2], [$1])
+ $1="$2"
+ AC_SUBST([$1])
+])
+
+AC_DEFUN([_AC_DEFINE_QUOTED_AND_SUBST], [
+ AC_DEFINE_UNQUOTED([CONFIG_$1], ["$2"], [$1])
+ $1="$2"
+ AC_SUBST([$1])
+])
+
+# Default values
+m4_define([_DEFAULT_CHANNEL_SUBBUF_SIZE], [16384])
+m4_define([_DEFAULT_CHANNEL_SUBBUF_NUM], [4])
+m4_define([_DEFAULT_CHANNEL_SWITCH_TIMER], [0])
+m4_define([_DEFAULT_CHANNEL_LIVE_TIMER], [0])
+m4_define([_DEFAULT_CHANNEL_READ_TIMER], [200000])
+m4_define([_DEFAULT_CHANNEL_MONITOR_TIMER], [1000000])
+m4_define([_DEFAULT_CHANNEL_BLOCKING_TIMEOUT], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_AGENT_TCP_PORT], [5345])
+_AC_DEFINE_AND_SUBST([DEFAULT_APP_SOCKET_RW_TIMEOUT], [5])
+_AC_DEFINE_AND_SUBST([DEFAULT_CHANNEL_SUBBUF_SIZE], [_DEFAULT_CHANNEL_SUBBUF_SIZE])
+_AC_DEFINE_AND_SUBST([DEFAULT_CHANNEL_TRACEFILE_COUNT], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_CHANNEL_TRACEFILE_SIZE], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_LIVE_TIMER], [_DEFAULT_CHANNEL_LIVE_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_READ_TIMER], [_DEFAULT_CHANNEL_READ_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_SUBBUF_NUM], [_DEFAULT_CHANNEL_SUBBUF_NUM])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_SUBBUF_SIZE], [1048576])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_SWITCH_TIMER], [_DEFAULT_CHANNEL_SWITCH_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_MONITOR_TIMER], [_DEFAULT_CHANNEL_MONITOR_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_KERNEL_CHANNEL_BLOCKING_TIMEOUT], [_DEFAULT_CHANNEL_BLOCKING_TIMEOUT])
+_AC_DEFINE_AND_SUBST([DEFAULT_LTTNG_LIVE_TIMER], [1000000])
+_AC_DEFINE_AND_SUBST([DEFAULT_METADATA_CACHE_SIZE], [4096])
+_AC_DEFINE_AND_SUBST([DEFAULT_METADATA_READ_TIMER], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_METADATA_SUBBUF_NUM], [2])
+_AC_DEFINE_AND_SUBST([DEFAULT_METADATA_SUBBUF_SIZE], [4096])
+_AC_DEFINE_AND_SUBST([DEFAULT_METADATA_SWITCH_TIMER], [_DEFAULT_CHANNEL_SWITCH_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_NETWORK_CONTROL_PORT], [5342])
+_AC_DEFINE_AND_SUBST([DEFAULT_NETWORK_DATA_PORT], [5343])
+_AC_DEFINE_AND_SUBST([DEFAULT_NETWORK_VIEWER_PORT], [5344])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_LIVE_TIMER], [_DEFAULT_CHANNEL_LIVE_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_READ_TIMER], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_BLOCKING_TIMEOUT], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_SUBBUF_NUM], [_DEFAULT_CHANNEL_SUBBUF_NUM])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_SUBBUF_SIZE], [_DEFAULT_CHANNEL_SUBBUF_SIZE])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_SWITCH_TIMER], [_DEFAULT_CHANNEL_SWITCH_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_PID_CHANNEL_MONITOR_TIMER], [_DEFAULT_CHANNEL_MONITOR_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_LIVE_TIMER], [_DEFAULT_CHANNEL_LIVE_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_READ_TIMER], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_BLOCKING_TIMEOUT], [0])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_SUBBUF_NUM], [_DEFAULT_CHANNEL_SUBBUF_NUM])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_SUBBUF_SIZE], [524288])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_SWITCH_TIMER], [_DEFAULT_CHANNEL_SWITCH_TIMER])
+_AC_DEFINE_AND_SUBST([DEFAULT_UST_UID_CHANNEL_MONITOR_TIMER], [_DEFAULT_CHANNEL_MONITOR_TIMER])
+_AC_DEFINE_QUOTED_AND_SUBST([DEFAULT_AGENT_BIND_ADDRESS], [localhost])
+_AC_DEFINE_QUOTED_AND_SUBST([DEFAULT_NETWORK_CONTROL_BIND_ADDRESS], [0.0.0.0])
+_AC_DEFINE_QUOTED_AND_SUBST([DEFAULT_NETWORK_DATA_BIND_ADDRESS], [0.0.0.0])
+_AC_DEFINE_QUOTED_AND_SUBST([DEFAULT_NETWORK_VIEWER_BIND_ADDRESS], [localhost])
+
+# Command short descriptions
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_ADD_CONTEXT], [Add context fields to a channel])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_CREATE], [Create a tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_DESTROY], [Tear down tracing sessions])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_DISABLE_CHANNEL], [Disable tracing channels])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_DISABLE_EVENT], [Disable event rules])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_ENABLE_CHANNEL], [Create or enable tracing channels])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_ENABLE_EVENT], [Create or enable event rules])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_HELP], [Display help information about a command])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_LIST], [List tracing sessions, domains, channels, and events])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_LOAD], [Load tracing session configurations])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_REGENERATE], [Manage an LTTng tracing session's data regeneration])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_SAVE], [Save tracing session configurations])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_SET_SESSION], [Set current tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_SNAPSHOT], [Snapshot buffers of current tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_START], [Start tracing])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_STATUS], [Get the status of the current tracing session])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_STOP], [Stop tracing])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_TRACK], [Track specific system resources])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_UNTRACK], [Untrack specific system resources])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_VERSION], [Show version information])
+_AC_DEFINE_QUOTED_AND_SUBST([CMD_DESCR_VIEW], [Start trace viewer])
+