Something went wrong. Try again.
Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125# SPDX-License-Identifier: GPL-2.0## This is a simple wrapper Makefile that calls the main Makefile.perf# with a -j option to do parallel builds## If you want to invoke the perf build in some non-standard way then# you can use the 'make -f Makefile.perf' method to invoke it.#
## Clear out the built-in rules GNU make defines by default (such as .o targets),# so that we pass through all targets to Makefile.perf:#.SUFFIXES:
## We don't want to pass along options like -j:#unexport MAKEFLAGS
## Do a parallel build with multiple jobs, based on the number of CPUs online# in this system: 'make -j8' on a 8-CPU system, etc.## (To override it, run 'make JOBS=1' and similar.)#ifeq ($(JOBS),) JOBS := $(shell (getconf _NPROCESSORS_ONLN || grep -E -c '^processor|^CPU[0-9]' /proc/cpuinfo) 2>/dev/null) ifeq ($(JOBS),0) JOBS := 1 endifendif
## Only pass canonical directory names as the output directory:#ifneq ($(O),) FULL_O := $(shell cd $(PWD); readlink -f $(O) || echo $(O))endif
## Only accept the 'DEBUG' variable from the command line:#ifeq ("$(origin DEBUG)", "command line") ifeq ($(DEBUG),) override DEBUG = 0 else SET_DEBUG = "DEBUG=$(DEBUG)" endifelse override DEBUG = 0endif
ifeq ($(JOBS),1) BUILD_TYPE := sequentialelse BUILD_TYPE := parallelendif
define print_msg @printf ' BUILD: Doing '\''make \033[33m-j'$(JOBS)'\033[m'\'' $(BUILD_TYPE) build\n'endef
define make @$(MAKE) -f Makefile.perf --no-print-directory -j$(JOBS) O=$(FULL_O) $(SET_DEBUG) $@endef
## Needed if no target specified:# (Except for tags and TAGS targets. The reason is that the# Makefile does not treat tags/TAGS as targets but as files# and thus won't rebuilt them once they are in place.)#all tags TAGS: $(print_msg) $(make)
ifdef MAKECMDGOALShas_clean := 0ifneq ($(filter clean,$(MAKECMDGOALS)),) has_clean := 1endif # clean
ifeq ($(has_clean),1) rest := $(filter-out clean,$(MAKECMDGOALS)) ifneq ($(rest),)$(rest): clean endif # restendif # has_cleanendif # MAKECMDGOALS
## Explicitly disable parallelism for the clean target.#clean: $(make) -j1
## The build-test target is not really parallel, don't print the jobs info,# it also uses only the tests/make targets that don't pollute the source# repository, i.e. that uses O= or builds the tarpkg outside the source# repo directories.## For a full test, use:## make -C tools/perf -f tests/make#build-test: @$(MAKE) SHUF=1 -f tests/make REUSE_FEATURES_DUMP=1 MK=Makefile SET_PARALLEL=1 --no-print-directory tarpkg make_static make_with_gtk2 out
build-test-tarball: @$(MAKE) -f tests/make REUSE_FEATURES_DUMP=1 MK=Makefile SET_PARALLEL=1 --no-print-directory out
check-headers: @./check-headers.sh
## All other targets get passed through:#%: FORCE $(print_msg) $(make)
.PHONY: tags TAGS FORCE Makefile build-test build-test-tarball check-headers