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# -*-perl-*-
$description = "Test handling of double-colon rules.";
$details = "\
We test these features:
- Multiple commands for the same (double-colon) target
- Different prerequisites for targets: only out-of-date
ones are rebuilt.
- Double-colon targets that aren't the goal target.
Then we do the same thing for parallel builds: double-colon
targets should always be built serially.";
# The Contents of the MAKEFILE ...
open(MAKEFILE,"> $makefile");
print MAKEFILE <<'EOF';
all: baz
foo:: f1.h ; @echo foo FIRST
foo:: f2.h ; @echo foo SECOND
bar:: ; @echo aaa; sleep 1; echo aaa done
bar:: ; @echo bbb
baz:: ; @echo aaa
baz:: ; @echo bbb
biz:: ; @echo aaa
biz:: two ; @echo bbb
two: ; @echo two
f1.h f2.h: ; @echo $@
d :: ; @echo ok
d :: d ; @echo oops
EOF
close(MAKEFILE);
# TEST 0: A simple double-colon rule that isn't the goal target.
&run_make_with_options($makefile, "all", &get_logfile, 0);
$answer = "aaa\nbbb\n";
&compare_output($answer, &get_logfile(1));
# TEST 1: As above, in parallel
&run_make_with_options($makefile, "-j10 all", &get_logfile, 0);
$answer = "aaa\nbbb\n";
&compare_output($answer, &get_logfile(1));
# TEST 2: A simple double-colon rule that is the goal target
&run_make_with_options($makefile, "bar", &get_logfile, 0);
$answer = "aaa\naaa done\nbbb\n";
&compare_output($answer, &get_logfile(1));
# TEST 3: As above, in parallel
&run_make_with_options($makefile, "-j10 bar", &get_logfile, 0);
$answer = "aaa\naaa done\nbbb\n";
&compare_output($answer, &get_logfile(1));
# TEST 4: Each double-colon rule is supposed to be run individually
&touch('f2.h');
&touch('foo');
&run_make_with_options($makefile, "foo", &get_logfile, 0);
$answer = "f1.h\nfoo FIRST\n";
&compare_output($answer, &get_logfile(1));
# TEST 5: Again, in parallel.
&run_make_with_options($makefile, "-j10 foo", &get_logfile, 0);
$answer = "f1.h\nfoo FIRST\n";
&compare_output($answer, &get_logfile(1));
# TEST 6: Each double-colon rule is supposed to be run individually
&touch('f1.h');
unlink('f2.h');
&touch('foo');
&run_make_with_options($makefile, "foo", &get_logfile, 0);
$answer = "f2.h\nfoo SECOND\n";
&compare_output($answer, &get_logfile(1));
# TEST 7: Again, in parallel.
&run_make_with_options($makefile, "-j10 foo", &get_logfile, 0);
$answer = "f2.h\nfoo SECOND\n";
&compare_output($answer, &get_logfile(1));
# TEST 8: Test circular dependency check; PR/1671
&run_make_with_options($makefile, "d", &get_logfile, 0);
$answer = "ok\n$make_name: Circular d <- d dependency dropped.\noops\n";
&compare_output($answer, &get_logfile(1));
# TEST 8: I don't grok why this is different than the above, but it is...
#
# Hmm... further testing indicates this might be timing-dependent?
#
#&run_make_with_options($makefile, "-j10 biz", &get_logfile, 0);
#$answer = "aaa\ntwo\nbbb\n";
#&compare_output($answer, &get_logfile(1));
unlink('foo','f1.h','f2.h');
1;
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