X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=Makefile;h=dd40e0bbd4646543d04a7d593dead0317aba3708;hb=758c244b6ef2113a475213f072826419585cc75a;hp=b16c4c6fdb0b90ffea628d176623249693f0a19c;hpb=7514523fe6d6be9d94be2e577954cdd82296d20e;p=lttng-modules.git

diff --git a/Makefile b/Makefile
index b16c4c6f..dd40e0bb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,40 +1,39 @@
-#
-# Makefile for the LTT objects.
-#
+# SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only)
 
 ifneq ($(KERNELRELEASE),)
-ifneq ($(CONFIG_MARKERS),)
 
-obj-m += ltt-core.o
-obj-m += ltt-tracer.o
-obj-m += ltt-marker-control.o
+# This part of the Makefile is used when called by the kernel build system
+# and defines the modules to be built.
 
-obj-m += ltt-relay.o
-ltt-relay-objs :=  ltt-event-header.o ltt-serialize.o ltt-type-serializer.o
-#ltt-ascii.o
+obj-$(CONFIG_LTTNG) += src/
 
-obj-m += ltt-statedump.o
-obj-m += ltt-trace-control.o
-obj-m += ltt-userspace-event.o
-obj-m += ltt-filter.o
-obj-m += ltt-kprobes.o
-obj-m += probes/
+else # KERNELRELEASE
 
-endif
+# 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.
 
-else
-	KERNELDIR ?= /lib/modules/$(shell uname -r)/build
-	PWD := $(shell pwd)
-	CFLAGS = $(EXTCFLAGS)
+KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+PWD := $(shell pwd)
+CFLAGS = $(EXTCFLAGS)
 
-default:
-	$(MAKE) -C $(KERNELDIR) M=$(PWD) modules
+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
+
+# The following targets are used for development and debugging. They are not
+# part of the build system.
+%.i: %.c
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m $@
+
+%.o: %.c
+	$(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m $@
 
-endif
+endif # KERNELRELEASE