2013-10-04 09:11:32 +00:00
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#
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# This is a simple wrapper Makefile that calls the main Makefile.perf
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# with a -j option to do parallel builds
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#
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# If you want to invoke the perf build in some non-standard way then
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# you can use the 'make -f Makefile.perf' method to invoke it.
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#
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2013-10-03 12:32:10 +00:00
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#
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# Clear out the built-in rules GNU make defines by default (such as .o targets),
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# so that we pass through all targets to Makefile.perf:
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#
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.SUFFIXES:
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2013-10-04 09:11:32 +00:00
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#
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# We don't want to pass along options like -j:
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#
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unexport MAKEFLAGS
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2012-10-01 16:32:51 +00:00
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#
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2013-10-02 09:49:08 +00:00
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# Do a parallel build with multiple jobs, based on the number of CPUs online
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# in this system: 'make -j8' on a 8-CPU system, etc.
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2013-01-28 01:51:22 +00:00
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#
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2013-10-02 09:49:08 +00:00
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# (To override it, run 'make JOBS=1' and similar.)
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2013-05-24 12:35:24 +00:00
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#
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2013-10-02 09:49:08 +00:00
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ifeq ($(JOBS),)
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2015-04-23 14:00:16 +00:00
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JOBS := $(shell (getconf _NPROCESSORS_ONLN || egrep -c '^processor|^CPU[0-9]' /proc/cpuinfo) 2>/dev/null)
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2015-02-18 23:59:31 +00:00
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ifeq ($(JOBS),0)
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2013-10-02 09:49:08 +00:00
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JOBS := 1
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2013-04-15 02:06:58 +00:00
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endif
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2012-08-07 13:20:43 +00:00
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endif
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2010-08-21 00:38:20 +00:00
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2013-10-04 10:08:05 +00:00
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#
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# Only pass canonical directory names as the output directory:
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#
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ifneq ($(O),)
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2013-10-09 15:00:23 +00:00
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FULL_O := $(shell readlink -f $(O) || echo $(O))
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2013-10-04 10:08:05 +00:00
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endif
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2013-10-10 06:05:25 +00:00
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#
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# Only accept the 'DEBUG' variable from the command line:
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#
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ifeq ("$(origin DEBUG)", "command line")
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ifeq ($(DEBUG),)
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override DEBUG = 0
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else
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SET_DEBUG = "DEBUG=$(DEBUG)"
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endif
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else
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override DEBUG = 0
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endif
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2013-10-02 09:58:30 +00:00
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define print_msg
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2013-10-09 09:49:27 +00:00
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@printf ' BUILD: Doing '\''make \033[33m-j'$(JOBS)'\033[m'\'' parallel build\n'
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2013-10-02 09:58:30 +00:00
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endef
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define make
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2013-10-10 06:05:25 +00:00
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@$(MAKE) -f Makefile.perf --no-print-directory -j$(JOBS) O=$(FULL_O) $(SET_DEBUG) $@
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2013-10-02 09:58:30 +00:00
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endef
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2009-04-20 11:32:07 +00:00
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2013-10-02 07:43:23 +00:00
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#
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2013-10-02 09:49:08 +00:00
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# Needed if no target specified:
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2013-11-26 12:54:12 +00:00
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# (Except for tags and TAGS targets. The reason is that the
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# Makefile does not treat tags/TAGS as targets but as files
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# and thus won't rebuilt them once they are in place.)
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2013-10-02 07:43:23 +00:00
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#
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2013-11-26 12:54:12 +00:00
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all tags TAGS:
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2013-10-02 09:58:30 +00:00
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$(print_msg)
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$(make)
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#
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# The clean target is not really parallel, don't print the jobs info:
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#
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clean:
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$(make)
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2013-10-01 14:28:09 +00:00
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2014-01-16 01:52:53 +00:00
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#
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# The build-test target is not really parallel, don't print the jobs info:
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#
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build-test:
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@$(MAKE) -f tests/make --no-print-directory
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2013-10-02 09:58:30 +00:00
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#
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# All other targets get passed through:
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#
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2013-10-02 09:49:08 +00:00
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%:
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2013-10-02 09:58:30 +00:00
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$(print_msg)
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$(make)
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2013-11-26 12:54:12 +00:00
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.PHONY: tags TAGS
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