X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=Makefile;h=b8df89f1cadb163bd23d9b7c73369a9dc5b262fc;hb=4d384f156f68cfc308f7f72971e48b19cfe31472;hp=a4c602fdb971277a7f17f9f3a3a666a883315894;hpb=0c95667685cf8612eb0d231883874c173b7bb5a1;p=lttng-modules.git

diff --git a/Makefile b/Makefile
index a4c602fd..b8df89f1 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,26 @@
 ifneq ($(KERNELRELEASE),)
 ifneq ($(CONFIG_TRACEPOINTS),)
 
+KERNELDIR = ${LTTNG_KERNELDIR}
+MAKEFILEDIR = $(shell dirname $(lastword $(MAKEFILE_LIST)))
+
+lttng_check_linux_version = $(shell pwd)/include/linux/version.h
+lttng_check_generated_linux_version = $(shell pwd)/include/generated/uapi/linux/version.h
+
+
+#
+# Check for stale version.h, which can be a leftover from an old Linux
+# kernel tree moved to a newer kernel version, only pruned by make
+# distclean.
+#
+ifneq ($(wildcard $(lttng_check_linux_version)),)
+ifneq ($(wildcard $(lttng_check_generated_linux_version)),)
+$(error Duplicate version.h files found in $(lttng_check_linux_version) and $(lttng_check_generated_linux_version). Consider running make distclean on your kernel, or removing the stale $(lttng_check_linux_version) file)
+endif
+endif
+
+include $(MAKEFILEDIR)/Makefile.ABI.workarounds
+
 obj-m += lttng-ring-buffer-client-discard.o
 obj-m += lttng-ring-buffer-client-overwrite.o
 obj-m += lttng-ring-buffer-metadata-client.o
@@ -21,7 +41,8 @@ lttng-tracer-objs :=  lttng-events.o lttng-abi.o \
 			lttng-context-vtid.o lttng-context-ppid.o \
 			lttng-context-vppid.o lttng-calibrate.o \
 			lttng-context-hostname.o wrapper/random.o \
-			probes/lttng.o
+			probes/lttng.o wrapper/trace-clock.o \
+			wrapper/page_alloc.o
 
 obj-m += lttng-statedump.o
 lttng-statedump-objs := lttng-statedump-impl.o wrapper/irqdesc.o \
@@ -38,6 +59,11 @@ lttng-tracer-objs += $(shell \
 		echo "lttng-context-perf-counters.o" ; fi;)
 endif # CONFIG_PERF_EVENTS
 
+lttng-tracer-objs += $(shell \
+	if [ $(VERSION) -ge 4 \
+		-o \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 15 -a $(SUBLEVEL) -ge 0 \) ] ; then \
+		echo "lttng-tracepoint.o" ; fi;)
+
 obj-m += probes/
 obj-m += lib/
 
@@ -49,14 +75,14 @@ else # KERNELRELEASE
 	CFLAGS = $(EXTCFLAGS)
 
 default:
-	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
+	LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
 
 modules_install:
-	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
+	LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
 
 clean:
-	$(MAKE) -C $(KERNELDIR) M=$(PWD) clean
+	LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) clean
 
 %.i: %.c
-	$(MAKE) -C $(KERNELDIR) M=$(PWD) $@
+	LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) $@
 endif # KERNELRELEASE