| 1 | # -*-perl-*-
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| 2 |
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| 3 | $description = "Test parallelism (-j) option.";
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| 4 |
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| 5 |
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| 6 | $details = "This test creates a makefile with two double-colon default
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| 7 | rules. The first rule has a series of sleep and echo commands
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| 8 | intended to run in series. The second and third have just an
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| 9 | echo statement. When make is called in this test, it is given
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| 10 | the -j option with a value of 4. This tells make that it may
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| 11 | start up to four jobs simultaneously. In this case, since the
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| 12 | first command is a sleep command, the output of the second
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| 13 | and third commands will appear before the first if indeed
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| 14 | make is running all of these commands in parallel.";
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| 15 |
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| 16 | if (!$parallel_jobs) {
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| 17 | return -1;
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| 18 | }
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| 19 |
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| 20 | if ($vos) {
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| 21 | $delete_command = "delete_file -no_ask";
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| 22 | $sleep_command = "sleep -seconds";
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| 23 | }
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| 24 | else {
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| 25 | $delete_command = "rm -f";
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| 26 | $sleep_command = "sleep";
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| 27 | }
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| 28 |
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| 29 |
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| 30 | run_make_test("
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| 31 | all : def_1 def_2 def_3
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| 32 | def_1 : ; \@echo ONE; $sleep_command 3 ; echo TWO
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| 33 | def_2 : ; \@$sleep_command 2 ; echo THREE
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| 34 | def_3 : ; \@$sleep_command 1 ; echo FOUR",
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| 35 | '-j4', "ONE\nFOUR\nTHREE\nTWO");
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| 36 |
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| 37 | # Test parallelism with included files. Here we sleep/echo while
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| 38 | # building the included files, to test that they are being built in
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| 39 | # parallel.
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| 40 | run_make_test("
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| 41 | all: 1 2; \@echo success
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| 42 | -include 1.inc 2.inc
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| 43 | 1.inc: ; \@echo ONE.inc; $sleep_command 2; echo TWO.inc; echo '1: ; \@echo ONE; $sleep_command 2; echo TWO' > \$\@
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| 44 | 2.inc: ; \@$sleep_command 1; echo THREE.inc; echo '2: ; \@$sleep_command 1; echo THREE' > \$\@",
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| 45 | "-j4",
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| 46 | "ONE.inc\nTHREE.inc\nTWO.inc\nONE\nTHREE\nTWO\nsuccess\n");
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| 47 |
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| 48 | unlink('1.inc', '2.inc');
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| 49 |
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| 50 |
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| 51 | # Test parallelism with included files--this time recurse first and make
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| 52 | # sure the jobserver works.
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| 53 | run_make_test("
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| 54 | recurse: ; \@\$(MAKE) --no-print-directory -f #MAKEFILE# INC=yes all
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| 55 | all: 1 2; \@echo success
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| 56 |
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| 57 | INC = no
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| 58 | ifeq (\$(INC),yes)
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| 59 | -include 1.inc 2.inc
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| 60 | endif
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| 61 |
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| 62 | 1.inc: ; \@echo ONE.inc; $sleep_command 2; echo TWO.inc; echo '1: ; \@echo ONE; $sleep_command 2; echo TWO' > \$\@
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| 63 | 2.inc: ; \@$sleep_command 1; echo THREE.inc; echo '2: ; \@$sleep_command 1; echo THREE' > \$\@",
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| 64 | "-j4",
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| 65 | "ONE.inc\nTHREE.inc\nTWO.inc\nONE\nTHREE\nTWO\nsuccess\n");
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| 66 |
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| 67 | unlink('1.inc', '2.inc');
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| 68 |
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| 69 | # Grant Taylor reports a problem where tokens can be lost (not written back
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| 70 | # to the pipe when they should be): this happened when there is a $(shell ...)
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| 71 | # function in an exported recursive variable. I added some code to check
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| 72 | # for this situation and print a message if it occurred. This test used
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| 73 | # to trigger this code when I added it but no longer does after the fix.
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| 74 |
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| 75 | run_make_test("
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| 76 | export HI = \$(shell \$(\$\@.CMD))
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| 77 | first.CMD = echo hi
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| 78 | second.CMD = $sleep_command 4; echo hi
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| 79 |
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| 80 | .PHONY: all first second
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| 81 | all: first second
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| 82 |
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| 83 | first second: ; \@echo \$\@; $sleep_command 1; echo \$\@",
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| 84 | '-j2', "first\nfirst\nsecond\nsecond");
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| 85 |
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| 86 | 1;
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