Allow building on kernels < 2.6.33 (without perf event support)

[lttng-modules.git] / Makefile

diff --git a/Makefile b/Makefile
index dc44fd40b6cfb2834ef0b1e89861aa5e85ecafc4..9a0effcfc483d605a19547f8b488f64296772f10 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -13,10 +13,15 @@ obj-m += ltt-relay.o
 ltt-relay-objs :=  ltt-events.o ltt-debugfs-abi.o \
                        ltt-probes.o ltt-core.o ltt-context.o \
                        lttng-context-pid.o lttng-context-comm.o \
-                       lttng-context-prio.o lttng-context-nice.o
+                       lttng-context-prio.o lttng-context-nice.o \
+                       lttng-context-vpid.o lttng-context-tid.o \
+                       lttng-context-vtid.o lttng-context-ppid.o \
+                       lttng-context-vppid.o
 
 ifneq ($(CONFIG_PERF_EVENTS),)
-ltt-relay-objs += lttng-context-perf-counters.o
+ltt-relay-objs += $(shell \
+       if [ $(VERSION) -ge 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 ] ; then \
+               echo "lttng-context-perf-counters.o" ; fi;)
 endif
 
 obj-m += probes/