escape

make的源代码

#                                                                    -*-perl-*-
$description = "Test various types of escaping in makefiles.";

$details = "\
Make sure that escaping of `:' works in target names.
Make sure escaping of whitespace works in target names.
Make sure that escaping of '#' works.";

open(MAKEFILE,"> $makefile");

print MAKEFILE <<'EOF';
$(path)foo : ; @echo cp $^ $@

foo\ bar: ; @echo 'touch "$@"'

sharp: foo\#bar.ext
foo\#bar.ext: ; @echo foo\#bar.ext = '$@'
EOF

close(MAKEFILE);


# TEST 1

&run_make_with_options($makefile, "", &get_logfile);
$answer = "cp foo\n";
&compare_output($answer,&get_logfile(1));

# TEST 2: This one should fail, since the ":" is unquoted.

&run_make_with_options($makefile, "path=p:", &get_logfile, 512);
$answer = "$makefile:1: *** target pattern contains no `%'.  Stop.\n";
&compare_output($answer,&get_logfile(1));

# TEST 3: This one should work, since we escape the ":".

&run_make_with_options($makefile, "'path=p\\:'", &get_logfile, 0);
$answer = "cp p:foo\n";
&compare_output($answer,&get_logfile(1));

# TEST 4: This one should fail, since the escape char is escaped.

&run_make_with_options($makefile, "'path=p\\\\:'", &get_logfile, 512);
$answer = "$makefile:1: *** target pattern contains no `%'.  Stop.\n";
&compare_output($answer,&get_logfile(1));

# TEST 5: This one should work

&run_make_with_options($makefile, "'foo bar'", &get_logfile, 0);
$answer = "touch \"foo bar\"\n";
&compare_output($answer,&get_logfile(1));

# TEST 6: Test escaped comments

&run_make_with_options($makefile, "sharp", &get_logfile, 0);
$answer = "foo#bar.ext = foo#bar.ext\n";
&compare_output($answer,&get_logfile(1));

# This tells the test driver that the perl test script executed properly.
1;