| 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 | $delete_command = "delete_file -no_ask";
|
|---|
| 22 | $sleep_command = "sleep -seconds";
|
|---|
| 23 | }
|
|---|
| 24 | else {
|
|---|
| 25 | $delete_command = "rm -f";
|
|---|
| 26 | $sleep_command = "sleep";
|
|---|
| 27 | }
|
|---|
| 28 |
|
|---|
| 29 |
|
|---|
| 30 | run_make_test("
|
|---|
| 31 | all : def_1 def_2 def_3
|
|---|
| 32 | def_1 : ; \@echo ONE; $sleep_command 3 ; echo TWO
|
|---|
| 33 | def_2 : ; \@$sleep_command 2 ; echo THREE
|
|---|
| 34 | def_3 : ; \@$sleep_command 1 ; echo FOUR",
|
|---|
| 35 | '-j4', "ONE\nFOUR\nTHREE\nTWO");
|
|---|
| 36 |
|
|---|
| 37 | # Test parallelism with included files. Here we sleep/echo while
|
|---|
| 38 | # building the included files, to test that they are being built in
|
|---|
| 39 | # parallel.
|
|---|
| 40 | run_make_test("
|
|---|
| 41 | all: 1 2; \@echo success
|
|---|
| 42 | -include 1.inc 2.inc
|
|---|
| 43 | 1.inc: ; \@echo ONE.inc; $sleep_command 2; echo TWO.inc; echo '1: ; \@echo ONE; $sleep_command 2; echo TWO' > \$\@
|
|---|
| 44 | 2.inc: ; \@$sleep_command 1; echo THREE.inc; echo '2: ; \@$sleep_command 1; echo THREE' > \$\@",
|
|---|
| 45 | "-j4",
|
|---|
| 46 | "ONE.inc\nTHREE.inc\nTWO.inc\nONE\nTHREE\nTWO\nsuccess\n");
|
|---|
| 47 |
|
|---|
| 48 | unlink('1.inc', '2.inc');
|
|---|
| 49 |
|
|---|
| 50 |
|
|---|
| 51 | # Test parallelism with included files--this time recurse first and make
|
|---|
| 52 | # sure the jobserver works.
|
|---|
| 53 | run_make_test("
|
|---|
| 54 | recurse: ; \@\$(MAKE) --no-print-directory -f #MAKEFILE# INC=yes all
|
|---|
| 55 | all: 1 2; \@echo success
|
|---|
| 56 |
|
|---|
| 57 | INC = no
|
|---|
| 58 | ifeq (\$(INC),yes)
|
|---|
| 59 | -include 1.inc 2.inc
|
|---|
| 60 | endif
|
|---|
| 61 |
|
|---|
| 62 | 1.inc: ; \@echo ONE.inc; $sleep_command 2; echo TWO.inc; echo '1: ; \@echo ONE; $sleep_command 2; echo TWO' > \$\@
|
|---|
| 63 | 2.inc: ; \@$sleep_command 1; echo THREE.inc; echo '2: ; \@$sleep_command 1; echo THREE' > \$\@",
|
|---|
| 64 | "-j4",
|
|---|
| 65 | "ONE.inc\nTHREE.inc\nTWO.inc\nONE\nTHREE\nTWO\nsuccess\n");
|
|---|
| 66 |
|
|---|
| 67 | unlink('1.inc', '2.inc');
|
|---|
| 68 |
|
|---|
| 69 | # Grant Taylor reports a problem where tokens can be lost (not written back
|
|---|
| 70 | # to the pipe when they should be): this happened when there is a $(shell ...)
|
|---|
| 71 | # function in an exported recursive variable. I added some code to check
|
|---|
| 72 | # for this situation and print a message if it occurred. This test used
|
|---|
| 73 | # to trigger this code when I added it but no longer does after the fix.
|
|---|
| 74 |
|
|---|
| 75 | run_make_test("
|
|---|
| 76 | export HI = \$(shell \$(\$\@.CMD))
|
|---|
| 77 | first.CMD = echo hi
|
|---|
| 78 | second.CMD = $sleep_command 4; echo hi
|
|---|
| 79 |
|
|---|
| 80 | .PHONY: all first second
|
|---|
| 81 | all: first second
|
|---|
| 82 |
|
|---|
| 83 | first second: ; \@echo \$\@; $sleep_command 1; echo \$\@",
|
|---|
| 84 | '-j2', "first\nfirst\nsecond\nsecond");
|
|---|
| 85 |
|
|---|
| 86 | 1;
|
|---|