Ingo Molnar | 684f434 | 2013-10-04 11:11:32 +0200 | [diff] [blame] | 1 | # |
| 2 | # This is a simple wrapper Makefile that calls the main Makefile.perf |
| 3 | # with a -j option to do parallel builds |
| 4 | # |
| 5 | # If you want to invoke the perf build in some non-standard way then |
| 6 | # you can use the 'make -f Makefile.perf' method to invoke it. |
| 7 | # |
Ingo Molnar | b016a0d | 2013-10-03 14:32:10 +0200 | [diff] [blame] | 8 | |
| 9 | # |
| 10 | # Clear out the built-in rules GNU make defines by default (such as .o targets), |
| 11 | # so that we pass through all targets to Makefile.perf: |
| 12 | # |
| 13 | .SUFFIXES: |
| 14 | |
Ingo Molnar | d24e473 | 2009-04-20 13:32:07 +0200 | [diff] [blame] | 15 | # |
Ingo Molnar | 684f434 | 2013-10-04 11:11:32 +0200 | [diff] [blame] | 16 | # We don't want to pass along options like -j: |
| 17 | # |
| 18 | unexport MAKEFLAGS |
| 19 | |
| 20 | # |
Ingo Molnar | bd69cc2 | 2013-10-02 11:49:08 +0200 | [diff] [blame] | 21 | # Do a parallel build with multiple jobs, based on the number of CPUs online |
| 22 | # in this system: 'make -j8' on a 8-CPU system, etc. |
Namhyung Kim | 67cbbd7 | 2012-02-23 16:08:14 +0900 | [diff] [blame] | 23 | # |
Ingo Molnar | bd69cc2 | 2013-10-02 11:49:08 +0200 | [diff] [blame] | 24 | # (To override it, run 'make JOBS=1' and similar.) |
Namhyung Kim | 67cbbd7 | 2012-02-23 16:08:14 +0900 | [diff] [blame] | 25 | # |
Ingo Molnar | bd69cc2 | 2013-10-02 11:49:08 +0200 | [diff] [blame] | 26 | ifeq ($(JOBS),) |
Will Deacon | 762abdc | 2015-04-23 15:00:16 +0100 | [diff] [blame] | 27 | JOBS := $(shell (getconf _NPROCESSORS_ONLN || egrep -c '^processor|^CPU[0-9]' /proc/cpuinfo) 2>/dev/null) |
David Ahern | c65568c | 2015-02-18 18:59:31 -0500 | [diff] [blame] | 28 | ifeq ($(JOBS),0) |
Ingo Molnar | bd69cc2 | 2013-10-02 11:49:08 +0200 | [diff] [blame] | 29 | JOBS := 1 |
Jiri Olsa | 8e1b3f6 | 2013-04-15 04:06:58 +0200 | [diff] [blame] | 30 | endif |
Jiri Olsa | 2bcd355 | 2012-08-07 15:20:43 +0200 | [diff] [blame] | 31 | endif |
Kirill A. Shutemov | f4e7ac0 | 2010-08-21 03:38:20 +0300 | [diff] [blame] | 32 | |
Ingo Molnar | b102420 | 2013-10-04 12:08:05 +0200 | [diff] [blame] | 33 | # |
| 34 | # Only pass canonical directory names as the output directory: |
| 35 | # |
| 36 | ifneq ($(O),) |
Ingo Molnar | 3fb6633 | 2013-10-09 17:00:23 +0200 | [diff] [blame] | 37 | FULL_O := $(shell readlink -f $(O) || echo $(O)) |
Ingo Molnar | b102420 | 2013-10-04 12:08:05 +0200 | [diff] [blame] | 38 | endif |
| 39 | |
Ingo Molnar | fcf9258 | 2013-10-10 08:05:25 +0200 | [diff] [blame] | 40 | # |
| 41 | # Only accept the 'DEBUG' variable from the command line: |
| 42 | # |
| 43 | ifeq ("$(origin DEBUG)", "command line") |
| 44 | ifeq ($(DEBUG),) |
| 45 | override DEBUG = 0 |
| 46 | else |
| 47 | SET_DEBUG = "DEBUG=$(DEBUG)" |
| 48 | endif |
| 49 | else |
| 50 | override DEBUG = 0 |
| 51 | endif |
| 52 | |
Ingo Molnar | 73a725f | 2013-10-02 11:58:30 +0200 | [diff] [blame] | 53 | define print_msg |
Ingo Molnar | 65fb099 | 2013-10-09 11:49:27 +0200 | [diff] [blame] | 54 | @printf ' BUILD: Doing '\''make \033[33m-j'$(JOBS)'\033[m'\'' parallel build\n' |
Ingo Molnar | 73a725f | 2013-10-02 11:58:30 +0200 | [diff] [blame] | 55 | endef |
| 56 | |
| 57 | define make |
Ingo Molnar | fcf9258 | 2013-10-10 08:05:25 +0200 | [diff] [blame] | 58 | @$(MAKE) -f Makefile.perf --no-print-directory -j$(JOBS) O=$(FULL_O) $(SET_DEBUG) $@ |
Ingo Molnar | 73a725f | 2013-10-02 11:58:30 +0200 | [diff] [blame] | 59 | endef |
Ingo Molnar | d24e473 | 2009-04-20 13:32:07 +0200 | [diff] [blame] | 60 | |
Ingo Molnar | de0f03f | 2013-10-02 09:43:23 +0200 | [diff] [blame] | 61 | # |
Ingo Molnar | bd69cc2 | 2013-10-02 11:49:08 +0200 | [diff] [blame] | 62 | # Needed if no target specified: |
Jiri Olsa | 2628614 | 2013-11-26 13:54:12 +0100 | [diff] [blame] | 63 | # (Except for tags and TAGS targets. The reason is that the |
| 64 | # Makefile does not treat tags/TAGS as targets but as files |
| 65 | # and thus won't rebuilt them once they are in place.) |
Ingo Molnar | de0f03f | 2013-10-02 09:43:23 +0200 | [diff] [blame] | 66 | # |
Jiri Olsa | 2628614 | 2013-11-26 13:54:12 +0100 | [diff] [blame] | 67 | all tags TAGS: |
Ingo Molnar | 73a725f | 2013-10-02 11:58:30 +0200 | [diff] [blame] | 68 | $(print_msg) |
| 69 | $(make) |
Ingo Molnar | de0f03f | 2013-10-02 09:43:23 +0200 | [diff] [blame] | 70 | |
Jiri Olsa | 3e2751d | 2016-02-04 12:30:36 +0100 | [diff] [blame^] | 71 | ifdef MAKECMDGOALS |
| 72 | has_clean := 0 |
| 73 | ifneq ($(filter clean,$(MAKECMDGOALS)),) |
| 74 | has_clean := 1 |
| 75 | endif # clean |
| 76 | |
| 77 | ifeq ($(has_clean),1) |
| 78 | rest := $(filter-out clean,$(MAKECMDGOALS)) |
| 79 | ifneq ($(rest),) |
| 80 | $(rest): clean |
| 81 | endif # rest |
| 82 | endif # has_clean |
| 83 | endif # MAKECMDGOALS |
| 84 | |
Ingo Molnar | 73a725f | 2013-10-02 11:58:30 +0200 | [diff] [blame] | 85 | # |
| 86 | # The clean target is not really parallel, don't print the jobs info: |
| 87 | # |
| 88 | clean: |
| 89 | $(make) |
| 90 | |
| 91 | # |
Arnaldo Carvalho de Melo | a639a62 | 2016-01-29 14:49:31 -0300 | [diff] [blame] | 92 | # The build-test target is not really parallel, don't print the jobs info, |
| 93 | # it also uses only the tests/make targets that don't pollute the source |
| 94 | # repository, i.e. that uses O= or builds the tarpkg outside the source |
| 95 | # repo directories. |
| 96 | # |
| 97 | # For a full test, use: |
| 98 | # |
| 99 | # make -C tools/perf -f tests/make |
Namhyung Kim | a707723 | 2014-01-16 10:52:53 +0900 | [diff] [blame] | 100 | # |
| 101 | build-test: |
Arnaldo Carvalho de Melo | a639a62 | 2016-01-29 14:49:31 -0300 | [diff] [blame] | 102 | @$(MAKE) SHUF=1 -f tests/make REUSE_FEATURES_DUMP=1 MK=Makefile --no-print-directory tarpkg out |
Namhyung Kim | a707723 | 2014-01-16 10:52:53 +0900 | [diff] [blame] | 103 | |
| 104 | # |
Ingo Molnar | 73a725f | 2013-10-02 11:58:30 +0200 | [diff] [blame] | 105 | # All other targets get passed through: |
| 106 | # |
Jiri Olsa | 8e55735 | 2015-06-22 14:50:52 +0200 | [diff] [blame] | 107 | %: FORCE |
Ingo Molnar | 73a725f | 2013-10-02 11:58:30 +0200 | [diff] [blame] | 108 | $(print_msg) |
| 109 | $(make) |
Jiri Olsa | 2628614 | 2013-11-26 13:54:12 +0100 | [diff] [blame] | 110 | |
Jiri Olsa | 8e55735 | 2015-06-22 14:50:52 +0200 | [diff] [blame] | 111 | .PHONY: tags TAGS FORCE Makefile |