#                                                                    -*-perl-*-

$description = "Test automatic variable setting.";

$details = "";

use Cwd;

$dir = cwd;

$dir =~ s,.*/([^/]+)$,../$1,;

open(MAKEFILE, "> $makefile");

print MAKEFILE "dir = $dir\n";

print MAKEFILE <<'EOF';

.SUFFIXES:

.SUFFIXES: .x .y .z

$(dir)/foo.x : baz.z $(dir)/bar.y baz.z

	@echo '$$@ = $@, $$(@D) = $(@D), $$(@F) = $(@F)'

	@echo '$$* = $*, $$(*D) = $(*D), $$(*F) = $(*F)'

	@echo '$$< = $<, $$(

	@echo '$$^ = $^, $$(^D) = $(^D), $$(^F) = $(^F)'

	@echo '$$+ = $+, $$(+D) = $(+D), $$(+F) = $(+F)'

	@echo '$$? = $?, $$(?D) = $(?D), $$(?F) = $(?F)'

	touch $@

$(dir)/bar.y baz.z : ; touch $@

EOF

close(MAKEFILE);

# TEST #0 -- simple test

# -------

# Touch these into the past

&utouch(-10, qw(foo.x baz.z));

&run_make_with_options($makefile, "", &get_logfile);

$answer = "touch $dir/bar.y

\$\@ = $dir/foo.x, \$(\@D) = $dir, \$(\@F) = foo.x

\$* = $dir/foo, \$(*D) = $dir, \$(*F) = foo

\$< = baz.z, \$(

\$^ = baz.z $dir/bar.y, \$(^D) = . $dir, \$(^F) = baz.z bar.y

\$+ = baz.z $dir/bar.y baz.z, \$(+D) = . $dir ., \$(+F) = baz.z bar.y baz.z

\$? = $dir/bar.y, \$(?D) = $dir, \$(?F) = bar.y

touch $dir/foo.x\n";

&compare_output($answer, &get_logfile(1));

unlink(qw(foo.x bar.y baz.z));

# TEST #1 -- test the SysV emulation of $$@ etc.

# -------

$makefile2 = &get_tmpfile;

open(MAKEFILE, "> $makefile2");

print MAKEFILE "dir = $dir\n";

print MAKEFILE <<'EOF';

.SECONDEXPANSION:

.SUFFIXES:

.DEFAULT: ; @echo '$@'

$(dir)/foo $(dir)/bar: $@.x $$@.x $$$@.x $$$$@.x $$(@D).x $$(@F).x

$(dir)/x.z $(dir)/y.z: $(dir)/%.z : $@.% $$@.% $$$@.% $$$$@.% $$(@D).% $$(@F).%

$(dir)/biz: $$(@).x $${@}.x $${@D}.x $${@F}.x

EOF

close(MAKEFILE);

&run_make_with_options($makefile2, "$dir/foo $dir/bar", &get_logfile);

$answer = ".x\n$dir/foo.x\nx\n\$@.x\n$dir.x\nfoo.x\n$dir/bar.x\nbar.x\n";

&compare_output($answer, &get_logfile(1));

&run_make_with_options($makefile2, "$dir/x.z $dir/y.z", &get_logfile);

$answer = ".x\n$dir/x.z.x\nx\n\$@.x\n$dir.x\nx.z.x\n.y\n$dir/y.z.y\n\y\n\$@.y\n$dir.y\ny.z.y\n";

&compare_output($answer, &get_logfile(1));

&run_make_with_options($makefile2, "$dir/biz", &get_logfile);

$answer = "$dir/biz.x\n$dir.x\nbiz.x\n";

&compare_output($answer, &get_logfile(1));

# TEST #2 -- test for Savannah bug #12320.

#

run_make_test('

.SUFFIXES: .b .src

mbr.b: mbr.src

	@echo $*

mbr.src: ; @:',

              '',

              'mbr');

# TEST #3 -- test for Savannah bug #8154

# Make sure that nonexistent prerequisites are listed in $?, since they are

# considered reasons for the target to be rebuilt.

#

# See also Savannah bugs #16002 and #16051.

touch('foo');

run_make_test('

foo: bar ; @echo "\$$? = $?"

bar: ;',

              '',

              '$? = bar');

unlink('foo');

# TEST #4: ensure prereq ordering is correct when the commmand target has none

# See Savannah bug #21198

run_make_test('

all : A B

all : ; @echo $@ -- $^ -- $<

all : C D

all : E F

A B C D E F G H : ; @:

',

              '', "all -- A B C D E F -- A\n");

1;