Add support for built-in kernel build

[lttng-modules.git] / Makefile

diff --git a/Makefile b/Makefile
index f233e660473b8b21167d8ecea5a4b3593fcdd692..236f3f052b256a43b207645f2b14b1034f4ec4af 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -5,11 +5,13 @@
 ifneq ($(KERNELRELEASE),)
 ifneq ($(CONFIG_TRACEPOINTS),)
 
-KERNELDIR=${LTTNG_KERNELDIR}
+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
@@ -21,24 +23,26 @@ $(error Duplicate version.h files found in $(lttng_check_linux_version) and $(lt
 endif
 endif
 
-include $(KBUILD_EXTMOD)/Makefile.ABI.workarounds
+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
-obj-m += lttng-ring-buffer-client-mmap-discard.o
-obj-m += lttng-ring-buffer-client-mmap-overwrite.o
-obj-m += lttng-ring-buffer-metadata-mmap-client.o
+obj-$(CONFIG_LTTNG) += lttng-ring-buffer-client-discard.o
+obj-$(CONFIG_LTTNG) += lttng-ring-buffer-client-overwrite.o
+obj-$(CONFIG_LTTNG) += lttng-ring-buffer-metadata-client.o
+obj-$(CONFIG_LTTNG) += lttng-ring-buffer-client-mmap-discard.o
+obj-$(CONFIG_LTTNG) += lttng-ring-buffer-client-mmap-overwrite.o
+obj-$(CONFIG_LTTNG) += lttng-ring-buffer-metadata-mmap-client.o
+obj-$(CONFIG_LTTNG) += lttng-clock.o
 
-obj-m += lttng-tracer.o
-lttng-tracer-objs :=  lttng-events.o lttng-abi.o \
+obj-$(CONFIG_LTTNG) += lttng-tracer.o
+lttng-tracer-objs := lttng-events.o lttng-abi.o \
                        lttng-probes.o lttng-context.o \
                        lttng-context-pid.o lttng-context-procname.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 lttng-context-cpu-id.o \
-                       lttng-calibrate.o \
+                       lttng-context-interruptible.o \
+                       lttng-context-need-reschedule.o lttng-calibrate.o \
                        lttng-context-hostname.o wrapper/random.o \
                        probes/lttng.o wrapper/trace-clock.o \
                        wrapper/page_alloc.o \
@@ -48,7 +52,7 @@ lttng-tracer-objs :=  lttng-events.o lttng-abi.o \
                        lttng-filter-validator.o \
                        probes/lttng-probe-user.o
 
-obj-m += lttng-statedump.o
+obj-$(CONFIG_LTTNG) += lttng-statedump.o
 lttng-statedump-objs := lttng-statedump-impl.o wrapper/irqdesc.o \
                        wrapper/fdtable.o
 
@@ -63,13 +67,22 @@ lttng-tracer-objs += $(shell \
                echo "lttng-context-perf-counters.o" ; fi;)
 endif # CONFIG_PERF_EVENTS
 
+ifneq ($(CONFIG_PREEMPT_RT_FULL),)
+lttng-tracer-objs += lttng-context-migratable.o
+lttng-tracer-objs += lttng-context-preemptible.o
+endif # CONFIG_PREEMPT_RT_FULL
+
+ifneq ($(CONFIG_PREEMPT),)
+lttng-tracer-objs += lttng-context-preemptible.o
+endif
+
 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/
+obj-$(CONFIG_LTTNG) += probes/
+obj-$(CONFIG_LTTNG) += lib/
 
 endif # CONFIG_TRACEPOINTS
 
@@ -79,7 +92,7 @@ else # KERNELRELEASE
        CFLAGS = $(EXTCFLAGS)
 
 default:
-       LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) modules
+       LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_LTTNG=m modules
 
 modules_install:
        LTTNG_KERNELDIR=$(KERNELDIR) $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install