#                                                                    -*-perl-*-

$description = "\
This tests random features of make's algorithms, often somewhat obscure,
which have either broken at some point in the past or seem likely to
break.";

open(MAKEFILE,"> $makefile");
print MAKEFILE <<'EOF';
# Make sure that subdirectories built as prerequisites are actually handled
# properly.

all: dir/subdir/file.a

dir/subdir: ; @echo mkdir -p dir/subdir

dir/subdir/file.b: dir/subdir ; @echo touch dir/subdir/file.b

dir/subdir/%.a: dir/subdir/%.b ; @echo cp $< $@
EOF
close(MAKEFILE);

&run_make_with_options($makefile,"",&get_logfile);
$answer = "mkdir -p dir/subdir\ntouch dir/subdir/file.b\ncp dir/subdir/file.b dir/subdir/file.a\n";
&compare_output($answer,&get_logfile(1));

# Test implicit rules

&touch('foo.c');
run_make_test('foo: foo.o',
              'CC="@echo cc" OUTPUT_OPTION=',
              'cc -c foo.c
cc foo.o -o foo');
unlink('foo.c');


# Test other implicit rule searching

&touch('bar');
run_make_test('
test.foo:
%.foo : baz ; @echo done $<
%.foo : bar ; @echo done $<
fox: baz
',
              '',
              'done bar');
unlink('bar');

1;