X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=Makefile;h=581b5a241b0d1810c6f0ed7992ae323d1488c570;hb=refs%2Fheads%2Fstable-2.4;hp=d4b09bbeac5cbe0ab65c1a0d9d00e1c597fae3a8;hpb=975da2c003441a8a16a36947e9500237c197e91b;p=lttng-modules.git

diff --git a/Makefile b/Makefile
index d4b09bbe..581b5a24 100644
--- a/Makefile
+++ b/Makefile
@@ -5,6 +5,20 @@
 ifneq ($(KERNELRELEASE),)
 ifneq ($(CONFIG_TRACEPOINTS),)
 
+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
+
 obj-m += lttng-ring-buffer-client-discard.o
 obj-m += lttng-ring-buffer-client-overwrite.o
 obj-m += lttng-ring-buffer-metadata-client.o
@@ -23,25 +37,26 @@ lttng-tracer-objs :=  lttng-events.o lttng-abi.o \
 			lttng-context-hostname.o wrapper/random.o
 
 obj-m += lttng-statedump.o
-lttng-statedump-objs := lttng-statedump-impl.o wrapper/irqdesc.o
+lttng-statedump-objs := lttng-statedump-impl.o wrapper/irqdesc.o \
+			wrapper/fdtable.o
 
 ifneq ($(CONFIG_HAVE_SYSCALL_TRACEPOINTS),)
 lttng-tracer-objs += lttng-syscalls.o probes/lttng-probe-user.o
-endif
+endif # CONFIG_HAVE_SYSCALL_TRACEPOINTS
 
 ifneq ($(CONFIG_PERF_EVENTS),)
 lttng-tracer-objs += $(shell \
 	if [ $(VERSION) -ge 3 \
 		-o \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -ge 6 -a $(SUBLEVEL) -ge 33 \) ] ; then \
 		echo "lttng-context-perf-counters.o" ; fi;)
-endif
+endif # CONFIG_PERF_EVENTS
 
 obj-m += probes/
 obj-m += lib/
 
-endif
+endif # CONFIG_TRACEPOINTS
 
-else
+else # KERNELRELEASE
 	KERNELDIR ?= /lib/modules/$(shell uname -r)/build
 	PWD := $(shell pwd)
 	CFLAGS = $(EXTCFLAGS)
@@ -57,4 +72,4 @@ clean:
 
 %.i: %.c
 	$(MAKE) -C $(KERNELDIR) M=$(PWD) $@
-endif
+endif # KERNELRELEASE