X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=Makefile;h=37eb389b4771a12331e5a85e28b59ecb99c154ea;hb=e2d5dbc7d09c7aa4f7c391fcdd4dfc95ba1ed326;hp=584ca6b18bf649020136d47c10e6fddeac114a03;hpb=1386746ec7bbb15e399acdc014cea85f7538552d;p=lttng-modules.git

diff --git a/Makefile b/Makefile
index 584ca6b1..37eb389b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,51 +1,34 @@
-#
-# Makefile for the LTT objects.
-#
+# SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
 
 ifneq ($(KERNELRELEASE),)
-ifneq ($(CONFIG_TRACEPOINTS),)
-
-obj-m += ltt-ring-buffer-client-discard.o
-obj-m += ltt-ring-buffer-client-overwrite.o
-obj-m += ltt-ring-buffer-metadata-client.o
-obj-m += ltt-ring-buffer-client-mmap-discard.o
-obj-m += ltt-ring-buffer-client-mmap-overwrite.o
-obj-m += ltt-ring-buffer-metadata-mmap-client.o
-
-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-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 += $(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
-
-obj-m += probes/
-obj-m += lib/
-
-endif
-
-else
-	KERNELDIR ?= /lib/modules/$(shell uname -r)/build
-	PWD := $(shell pwd)
-	CFLAGS = $(EXTCFLAGS)
-
-default:
-	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
+
+# This part of the Makefile is used when called by the kernel build system
+# and defines the modules to be built.
+
+obj-$(CONFIG_LTTNG) += src/
+
+else # KERNELRELEASE
+
+# This part of the Makefile is used when the 'make' command is runned in the
+# base directory of the lttng-modules sources. It sets some environment and
+# calls the kernel build system to build the actual modules.
+
+KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+PWD := $(shell pwd)
+CFLAGS = $(EXTCFLAGS)
+
+default: modules
+
+modules:
+	$(MAKE) -C $(KERNELDIR) M=$(PWD)/src CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules
 
 modules_install:
-	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install
-	/sbin/depmod -a
+	$(MAKE) -C $(KERNELDIR) M=$(PWD)/src CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules_install
 
 clean:
-	$(MAKE) -C $(KERNELDIR) M=$(PWD) clean
+	$(MAKE) -C $(KERNELDIR) M=$(PWD)/src clean
+
+%.i: %.c
+	$(MAKE) -C $(KERNELDIR) M=$(PWD)/src CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m $@
 
-endif
+endif # KERNELRELEASE