#                                     -*-mode: perl; rm-trailing-spaces: nil-*-

$description = "Test various forms of the GNU make 'include' command.";

$details = "\
Test include, -include, sinclude and various regressions involving them.
Test extra whitespace at the end of the include, multiple -includes and
sincludes (should not give an error) and make sure that errors are reported
for targets that were also -included.";

$makefile2 = &get_tmpfile;

open(MAKEFILE,"> $makefile");

# The contents of the Makefile ...

print MAKEFILE <<EOF;
\#Extra space at the end of the following file name
include $makefile2
all: ; \@echo There should be no errors for this makefile.

-include nonexistent.mk
-include nonexistent.mk
sinclude nonexistent.mk
sinclude nonexistent-2.mk
-include makeit.mk
sinclude makeit.mk

error: makeit.mk
EOF

close(MAKEFILE);


open(MAKEFILE,"> $makefile2");

print MAKEFILE "ANOTHER: ; \@echo This is another included makefile\n";

close(MAKEFILE);

# Create the answer to what should be produced by this Makefile
&run_make_with_options($makefile, "all", &get_logfile);
$answer = "There should be no errors for this makefile.\n";
&compare_output($answer, &get_logfile(1));

&run_make_with_options($makefile, "ANOTHER", &get_logfile);
$answer = "This is another included makefile\n";
&compare_output($answer, &get_logfile(1));

$makefile = undef;

# Try to build the "error" target; this will fail since we don't know
# how to create makeit.mk, but we should also get a message (even though
# the -include suppressed it during the makefile read phase, we should
# see one during the makefile run phase).

run_make_test
  ('
-include foo.mk
error: foo.mk ; @echo $@
',
   '',
   "#MAKE#: *** No rule to make target 'foo.mk', needed by 'error'.  Stop.\n",
   512
  );

# Make sure that target-specific variables don't impact things.  This could
# happen because a file record is created when a target-specific variable is
# set.

run_make_test
  ('
bar.mk: foo := baz
-include bar.mk
hello: ; @echo hello
',
   '',
   "hello\n"
  );


# Test inheritance of dontcare flag when rebuilding makefiles.
#
run_make_test('
.PHONY: all
all: ; @:

-include foo

foo: bar; @:
', '', '');


# Make sure that we don't die when the command fails but we dontcare.
# (Savannah bug #13216).
#
run_make_test('
.PHONY: all
all:; @:

-include foo

foo: bar; @:

bar:; @exit 1
', '', '');

# Check include, sinclude, -include with no filenames.
# (Savannah bug #1761).

run_make_test('
.PHONY: all
all:; @:
include
-include
sinclude', '', '');


# Test that the diagnostics is issued even if the target has been
# tried before with the dontcare flag (direct dependency case).
#
run_make_test('
-include foo

all: bar

foo: baz
bar: baz
',
'',
"#MAKE#: *** No rule to make target 'baz', needed by 'bar'.  Stop.\n",
512);

# Test that the diagnostics is issued even if the target has been
# tried before with the dontcare flag (indirect dependency case).
#
run_make_test('
-include foo

all: bar

foo: baz
bar: baz
baz: end
',
'',
"#MAKE#: *** No rule to make target 'end', needed by 'baz'.  Stop.\n",
512);

# Test include of make-able file doesn't show an error (Savannah #102)
run_make_test(q!
.PHONY: default
default:; @echo DONE

inc1:; echo > $@
include inc1
include inc2
inc2:; echo > $@
!,
              '', "echo > inc2\necho > inc1\nDONE\n");

rmfiles('inc1', 'inc2');

# No target gets correct error
run_make_test('', '', '#MAKE#: *** No targets.  Stop.', 512);

# No target in included file either, still gets correct error.
touch('inc1.mk');
run_make_test('include inc1.mk', '', '#MAKE#: *** No targets.  Stop.', 512);
rmfiles('inc1.mk');

# Include same file multiple times

run_make_test(q!
default:; @echo DEFAULT
include inc1
inc1:; echo > $@
include inc1
!,
              '', "echo > inc1\nDEFAULT\n");

rmfiles('inc1');

if (defined $ERR_no_such_file) {

    # Test that the diagnostics is issued even if the target has been
    # tried before with the dontcare flag (include/-include case).
    #
    run_make_test('
include bar
-include foo

all:

foo: baz
bar: baz
baz: end
',
'',
                  "#MAKEFILE#:2: bar: $ERR_no_such_file\n#MAKE#: *** No rule to make target 'end', needed by 'baz'.  Stop.\n",
                  512);

    # Test include of non-make-able file does show an error (Savannah #102)
    run_make_test(q!
.PHONY: default
default:; @echo DONE

inc1:; echo > $@
include inc1
include inc2
!,
                  '', "#MAKEFILE#:7: inc2: $ERR_no_such_file\n#MAKE#: *** No rule to make target 'inc2'.  Stop.\n", 512);

    rmfiles('inc1');

    # Included file has a prerequisite that fails to build

my $answer = "exit 1
#MAKEFILE#:3: inc1: No such file or directory
#MAKEFILE#:5: *** [foo] error 1

#0  foo at $fulltestdir/#MAKEFILE#:5
#1  inc1 at $fulltestdir/#MAKEFILE#:4
";

    run_make_test(q!
default:; @echo DEFAULT
include inc1
inc1: foo; echo > $@
foo:; exit 1
!,
                  '', $answer, 512);

    rmfiles('inc1');

    # Included file has a prerequisite we don't know how to build

    run_make_test(q!
default:; @echo DEFAULT
include inc1
inc1: foo; echo > $@
!,
                  '', "#MAKEFILE#:3: inc1: $ERR_no_such_file\n#MAKE#: *** No rule to make target 'foo', needed by 'inc1'.  Stop.\n", 512);

    rmfiles('inc1');
}

# Including files that can't be read should show an error
if (defined $ERR_unreadable_file) {
    create_file('inc1', 'FOO := foo');
    chmod 0000, 'inc1';

    run_make_test(q!
include inc1
all:;@echo $(FOO)
!,
                  '', "#MAKEFILE#:2: inc1: $ERR_unreadable_file\n#MAKE#: *** No rule to make target 'inc1'.  Stop.", 512);

# Unreadable files that we know how to successfully recreate should work

    run_make_test(sprintf(q!
all:;@echo $(FOO)
include inc1
inc1:; @%s $@ && echo FOO := bar > $@
!, $CMD_rmfile),
                  '', "bar");

    rmfiles('inc1');
}

1;
