1 # -*-perl-*- 2 3 $description = "Test parallelism (-j) option."; 4 5 6 $details = "This test creates a makefile with two double-colon default 7 rules. The first rule has a series of sleep and echo commands 8 intended to run in series. The second and third have just an 9 echo statement. When make is called in this test, it is given 10 the -j option with a value of 4. This tells make that it may 11 start up to four jobs simultaneously. In this case, since the 12 first command is a sleep command, the output of the second 13 and third commands will appear before the first if indeed 14 make is running all of these commands in parallel."; 15 16 if (!$parallel_jobs) { 17 return -1; 18 } 19 20 if ($vos) { 21 $sleep_command = "sleep -seconds"; 22 } 23 else { 24 $sleep_command = "sleep"; 25 } 26 27 28 run_make_test(" 29 all : def_1 def_2 def_3 30 def_1 : ; \@echo ONE; $sleep_command 3 ; echo TWO 31 def_2 : ; \@$sleep_command 2 ; echo THREE 32 def_3 : ; \@$sleep_command 1 ; echo FOUR", 33 '-j4', "ONE\nFOUR\nTHREE\nTWO"); 34 35 # Test parallelism with included files. Here we sleep/echo while 36 # building the included files, to test that they are being built in 37 # parallel. 38 run_make_test(" 39 all: 1 2; \@echo success 40 -include 1.inc 2.inc 41 1.inc: ; \@echo ONE.inc; $sleep_command 2; echo TWO.inc; echo '1: ; \@echo ONE; $sleep_command 2; echo TWO' > \$\@ 42 2.inc: ; \@$sleep_command 1; echo THREE.inc; echo '2: ; \@$sleep_command 1; echo THREE' > \$\@", 43 "-j4", 44 "ONE.inc\nTHREE.inc\nTWO.inc\nONE\nTHREE\nTWO\nsuccess\n"); 45 46 unlink('1.inc', '2.inc'); 47 48 49 # Test parallelism with included files--this time recurse first and make 50 # sure the jobserver works. 51 run_make_test(" 52 recurse: ; \@\$(MAKE) --no-print-directory -f #MAKEFILE# INC=yes all 53 all: 1 2; \@echo success 54 55 INC = no 56 ifeq (\$(INC),yes) 57 -include 1.inc 2.inc 58 endif 59 60 1.inc: ; \@echo ONE.inc; $sleep_command 2; echo TWO.inc; echo '1: ; \@echo ONE; $sleep_command 2; echo TWO' > \$\@ 61 2.inc: ; \@$sleep_command 1; echo THREE.inc; echo '2: ; \@$sleep_command 1; echo THREE' > \$\@", 62 "-j4", 63 "ONE.inc\nTHREE.inc\nTWO.inc\nONE\nTHREE\nTWO\nsuccess\n"); 64 65 unlink('1.inc', '2.inc'); 66 67 # Grant Taylor reports a problem where tokens can be lost (not written back 68 # to the pipe when they should be): this happened when there is a $(shell ...) 69 # function in an exported recursive variable. I added some code to check 70 # for this situation and print a message if it occurred. This test used 71 # to trigger this code when I added it but no longer does after the fix. 72 73 run_make_test(" 74 export HI = \$(shell \$(\$\@.CMD)) 75 first.CMD = echo hi 76 second.CMD = $sleep_command 4; echo hi 77 78 .PHONY: all first second 79 all: first second 80 81 first second: ; \@echo \$\@; $sleep_command 1; echo \$\@", 82 '-j2', "first\nfirst\nsecond\nsecond"); 83 84 # Michael Matz <matz (a] suse.de> reported a bug where if make is running in 85 # parallel without -k and two jobs die in a row, but not too close to each 86 # other, then make will quit without waiting for the rest of the jobs to die. 87 88 run_make_test(" 89 .PHONY: all fail.1 fail.2 fail.3 ok 90 all: fail.1 ok fail.2 fail.3 91 92 fail.1 fail.2 fail.3: 93 \@sleep \$(patsubst fail.%,%,\$\@) 94 \@echo Fail 95 \@exit 1 96 97 ok: 98 \@sleep 4 99 \@echo Ok done", 100 '-rR -j5', 'Fail 101 #MAKE#: *** [fail.1] Error 1 102 #MAKE#: *** Waiting for unfinished jobs.... 103 Fail 104 #MAKE#: *** [fail.2] Error 1 105 Fail 106 #MAKE#: *** [fail.3] Error 1 107 Ok done', 108 512); 109 110 111 # Test for Savannah bug #15641. 112 # 113 run_make_test(' 114 .PHONY: all 115 all:; @: 116 117 -include foo.d 118 119 foo.d: comp 120 @echo building $@ 121 122 comp: mod_a.o mod_b.o; @: 123 124 mod_a.o mod_b.o: 125 @exit 1 126 ', '-j2', ''); 127 128 129 # Make sure that all jobserver FDs are closed if we need to re-exec the 130 # master copy. 131 # 132 # First, find the "default" file descriptors we normally use 133 # Then make sure they're still used. 134 # 135 # Right now we don't have a way to run a makefile and capture the output 136 # without checking it, so we can't really write this test. 137 138 # run_make_test(' 139 # submake: ; @$(MAKE) --no-print-directory -f #MAKEFILE# fdprint 5>output 140 141 # dependfile: ; @echo FOO=bar > $@ 142 143 # INCL := true 144 145 # FOO=foo 146 # ifeq ($(INCL),true) 147 # -include dependfile 148 # endif 149 150 # fdprint: ; @echo $(filter --jobserver%,$(MAKEFLAGS)) 151 152 # recurse: ; @$(MAKE) --no-print-directory -f #MAKEFILE# submake INCL=true', 153 # '-j2 INCL=false fdprint', 154 # 'bar'); 155 156 # unlink('dependfile', 'output'); 157 158 159 # # Do it again, this time where the include is done by the non-master make. 160 # run_make_test(undef, '-j2 recurse INCL=false', 'bar'); 161 162 # unlink('dependfile', 'output'); 163 164 1; 165
