#                                                                    -*-perl-*-

$description = 'Test the $(shell ...) function.';

$details = '';

# Test standard shell
run_make_test('.PHONY: all
OUT := $(shell echo hi)
all: ; @echo $(OUT)
              ','','hi');

# Test shells inside rules.
run_make_test('.PHONY: all
all: ; @echo $(shell echo hi)
              ','','hi');

# Verify .SHELLSTATUS
run_make_test('.PHONY: all
PRE := $(.SHELLSTATUS)
$(shell exit 0)
OK := $(.SHELLSTATUS)
$(shell exit 1)
BAD := $(.SHELLSTATUS)
all: ; @echo PRE=$(PRE) OK=$(OK) BAD=$(BAD)
              ','','PRE= OK=0 BAD=1');

# Test unescaped comment characters in shells.  Savannah bug #20513
run_make_test(q!
FOO := $(shell echo '#')
foo: ; echo '$(FOO)'
!,
              '', "echo '#'\n#\n");

# Test shells inside exported environment variables.
# This is the test that fails if we try to put make exported variables into
# the environment for a $(shell ...) call.
run_make_test('
export HI = $(shell echo hi)
.PHONY: all
all: ; @echo $$HI
    ','','hi');

if ($port_type ne 'W32') {
    # Test shell errors in recipes including offset
    # This needs to be ported to Windows, or else Windows error messages
    # need to converted to look like more normal make errors.
    run_make_test('
all:
	@echo hi
	$(shell ./basdfdfsed there)
	@echo $(.SHELLSTATUS)
',
                  '', "#MAKE#: ./basdfdfsed: $ERR_no_such_file\nhi\n127\n");

    run_make_test('
$(shell ./basdfdfsed where)
all: ; @echo $(.SHELLSTATUS)
',
                  '', "#MAKE#: ./basdfdfsed: $ERR_no_such_file\n127\n");

    # Test SHELLSTATUS for kill.
    # This test could be ported to Windows, using taskkill ... ?

    # Figure out the exit code for SIGINT
    my $pid = fork();
    if (! $pid) {
        exec('kill -2 $$') or die "exec: Cannot execute sleep\n";
    }
    waitpid($pid, 0);
    # .SHELLSTATUS for a signal gives 128 + the signal number
    my $ret = $?;
    if ($ret > 255) {
       # Solaris 10 perl 5.8.4 puts signal number + 128 into the high 8 bits.
       $ret >>= 8;
    }
    $ret |= 128;

    run_make_test('.PHONY: all
$(shell kill -2 $$$$)
STAT := $(.SHELLSTATUS)
all: ; @echo STAT=$(STAT)
              ','',"STAT=$ret\n");
}

1;

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