X-Git-Url: http://git.lttng.org/?p=lttng-modules.git;a=blobdiff_plain;f=Makefile;h=4a6ddbc5f870d56fad5ea8c7ff16b173fca35606;hp=463b3141e7911675232c6fbdf1aaf80d0f0aee26;hb=HEAD;hpb=149b9a9d86d7351ee9a44ce391884cc12e922124 diff --git a/Makefile b/Makefile index 463b3141..8d25816c 100644 --- a/Makefile +++ b/Makefile @@ -1,99 +1,11 @@ -# SPDX-License-Identifier: (GPL-2.0 or LGPL-2.1) +# SPDX-License-Identifier: (GPL-2.0-only or LGPL-2.1-only) ifneq ($(KERNELRELEASE),) - # This part of the Makefile is used when called by the kernel build system - # and defines the modules to be built. - - ifdef CONFIG_LOCALVERSION # Check if dot-config is included. - ifeq ($(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 - 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 \ - probes/lttng-uprobes.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 \( $(VERSION) -eq 2 -a $(PATCHLEVEL) -eq 6 -a $(SUBLEVEL) -ge 33 \) ] ; 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 - 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/ +# This part of the Makefile is used when called by the kernel build system +# and defines the modules to be built. + +obj-$(CONFIG_LTTNG) += src/ else # KERNELRELEASE @@ -103,20 +15,52 @@ else # KERNELRELEASE KERNELDIR ?= /lib/modules/$(shell uname -r)/build PWD := $(shell pwd) -CFLAGS = $(EXTCFLAGS) + +# Experimental bitwise enum defaults to disabled. +CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM ?= n + +# Emulate Kconfig behavior of setting defines for config options. +LKCPPFLAGS = $(KCPPFLAGS) +ifeq ($(CONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM),y) +LKCPPFLAGS += -DCONFIG_LTTNG_EXPERIMENTAL_BITWISE_ENUM=y +endif default: modules modules: - $(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules + $(MAKE) -C $(KERNELDIR) M=$(PWD)/src \ + CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m \ + KCPPFLAGS='$(LKCPPFLAGS)' \ + modules + +syscalls_extractor: + $(MAKE) -C $(KERNELDIR) M=$(PWD)/src \ + CONFIG_LTTNG_SYSCALLS_EXTRACTOR=m \ + CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m \ + KCPPFLAGS='$(LKCPPFLAGS)' \ + modules modules_install: - $(MAKE) -C $(KERNELDIR) M=$(PWD) CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m modules_install + $(MAKE) -C $(KERNELDIR) M=$(PWD)/src \ + CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m \ + KCPPFLAGS='$(LKCPPFLAGS)' \ + 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 $@ + $(MAKE) -C $(KERNELDIR) M=$(PWD) \ + CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m \ + KCPPFLAGS='$(LKCPPFLAGS)' \ + $@ + +%.o: %.c + $(MAKE) -C $(KERNELDIR) M=$(PWD) \ + CONFIG_LTTNG=m CONFIG_LTTNG_CLOCK_PLUGIN_TEST=m \ + KCPPFLAGS='$(LKCPPFLAGS)' \ + $@ endif # KERNELRELEASE