X-Git-Url: http://git.liburcu.org/?p=lttng-modules.git;a=blobdiff_plain;f=Makefile;h=c7b8a41712b528e55dc237161de844502d15ee2e;hp=6a8c5c741503d2e783f7953bc644b067b2292fb0;hb=80bb26003945e96a8ade9c8788dab9b2e08cbc08;hpb=ebc53e0295274a8d0e04ec87aaab0933d8075cc4 diff --git a/Makefile b/Makefile index 6a8c5c74..c7b8a417 100644 --- a/Makefile +++ b/Makefile @@ -1,93 +1,95 @@ -# -# Makefile for the LTT objects. -# +# SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) ifneq ($(KERNELRELEASE),) # This part of the Makefile is used when called by the kernel build system # and defines the modules to be built. - ifneq ($(CONFIG_TRACEPOINTS),) - - 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 $(MAKEFILEDIR)/Makefile.ABI.workarounds - - obj-$(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-$(CONFIG_LTTNG) += lttng-tracer.o - - lttng-tracer-objs := lttng-events.o lttng-abi.o \ - lttng-probes.o lttng-context.o \ - lttng-context-pid.o lttng-context-procname.o \ - lttng-context-prio.o lttng-context-nice.o \ - lttng-context-vpid.o lttng-context-tid.o \ - lttng-context-vtid.o lttng-context-ppid.o \ - lttng-context-vppid.o lttng-context-cpu-id.o \ - lttng-context-interruptible.o \ - lttng-context-need-reschedule.o lttng-calibrate.o \ - lttng-context-hostname.o wrapper/random.o \ - probes/lttng.o wrapper/trace-clock.o \ - wrapper/page_alloc.o \ - lttng-tracker-pid.o \ - lttng-filter.o lttng-filter-interpreter.o \ - lttng-filter-specialize.o \ - lttng-filter-validator.o \ - probes/lttng-probe-user.o - - obj-$(CONFIG_LTTNG) += lttng-statedump.o - lttng-statedump-objs := lttng-statedump-impl.o wrapper/irqdesc.o \ - wrapper/fdtable.o - - ifneq ($(CONFIG_HAVE_SYSCALL_TRACEPOINTS),) - lttng-tracer-objs += lttng-syscalls.o - endif # CONFIG_HAVE_SYSCALL_TRACEPOINTS - - ifneq ($(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 # 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 + ifdef CONFIG_LOCALVERSION # Check if dot-config is included. + ifeq ($(CONFIG_TRACEPOINTS),) + $(error The option CONFIG_TRACEPOINTS needs to be enabled in your kernel configuration) + endif # CONFIG_TRACEPOINTS + endif # ifdef CONFIG_LOCALVERSION + + TOP_LTTNG_MODULES_DIR := $(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 - - 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-$(CONFIG_LTTNG) += probes/ - obj-$(CONFIG_LTTNG) += lib/ - - endif # CONFIG_TRACEPOINTS + endif + + include $(TOP_LTTNG_MODULES_DIR)/Kbuild.common + + ccflags-y += -I$(TOP_LTTNG_MODULES_DIR) + + 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-$(CONFIG_LTTNG) += lttng-clock.o + + obj-$(CONFIG_LTTNG) += lttng-tracer.o + + lttng-tracer-objs := lttng-events.o lttng-abi.o lttng-string-utils.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-context-interruptible.o \ + lttng-context-need-reschedule.o \ + lttng-context-callstack.o lttng-calibrate.o \ + lttng-context-hostname.o wrapper/random.o \ + probes/lttng.o wrapper/trace-clock.o \ + wrapper/page_alloc.o \ + lttng-tracker-pid.o \ + lttng-filter.o lttng-filter-interpreter.o \ + lttng-filter-specialize.o \ + lttng-filter-validator.o \ + probes/lttng-probe-user.o \ + lttng-tp-mempool.o + + ifneq ($(CONFIG_HAVE_SYSCALL_TRACEPOINTS),) + lttng-tracer-objs += lttng-syscalls.o + endif # CONFIG_HAVE_SYSCALL_TRACEPOINTS + + ifneq ($(CONFIG_PERF_EVENTS),) + lttng-tracer-objs += lttng-context-perf-counters.o + 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 \( $(VERSION) -eq 3 -a $(PATCHLEVEL) -ge 15 \) ] ; then \ + echo "lttng-tracepoint.o" ; fi;) + + obj-$(CONFIG_LTTNG) += lttng-statedump.o + lttng-statedump-objs := lttng-statedump-impl.o wrapper/irqdesc.o \ + wrapper/fdtable.o + + obj-$(CONFIG_LTTNG) += probes/ + obj-$(CONFIG_LTTNG) += lib/ + obj-$(CONFIG_LTTNG) += tests/ else # KERNELRELEASE @@ -99,16 +101,18 @@ KERNELDIR ?= /lib/modules/$(shell uname -r)/build PWD := $(shell pwd) CFLAGS = $(EXTCFLAGS) -default: - $(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_LTTNG=m modules +default: modules + +modules: + $(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules modules_install: - $(MAKE) -C $(KERNELDIR) M=$(PWD) modules_install + $(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules_install clean: $(MAKE) -C $(KERNELDIR) M=$(PWD) clean %.i: %.c - $(MAKE) -C $(KERNELDIR) M=$(PWD) $@ + $(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m $@ endif # KERNELRELEASE