patspecific_vars

make debug tool. You can use this tool to debug Makefile

#                                                                    -*-perl-*-
$description = "Test pattern-specific variable settings.";

$details = "\
Create a makefile containing various flavors of pattern-specific variable
settings, override and non-override, and using various variable expansion
rules, semicolon interference, etc.";

open(MAKEFILE,"> $makefile");

print MAKEFILE <<'EOF';
all: one.x two.x three.x
FOO = foo
BAR = bar
BAZ = baz
one.x: override FOO = one
%.x: BAR = two
t%.x: BAR = four
thr% : override BAZ = three
one.x two.x three.x: ; @echo $@: $(FOO) $(BAR) $(BAZ)
four.x: baz ; @echo $@: $(FOO) $(BAR) $(BAZ)
baz: ; @echo $@: $(FOO) $(BAR) $(BAZ)

# test matching multiple patterns
a%: AAA = aaa
%b: BBB = ccc
a%: BBB += ddd
%b: AAA ?= xxx
%b: AAA += bbb
.PHONY: ab
ab: ; @echo $(AAA); echo $(BBB)
EOF

close(MAKEFILE);


# TEST #1 -- basics

&run_make_with_options($makefile, "", &get_logfile);
$answer = "one.x: one two baz\ntwo.x: foo four baz\nthree.x: foo four three\n";
&compare_output($answer,&get_logfile(1));


# TEST #2 -- try the override feature

&run_make_with_options($makefile, "BAZ=five", &get_logfile);
$answer = "one.x: one two five\ntwo.x: foo four five\nthree.x: foo four three\n";
&compare_output($answer,&get_logfile(1));


# TEST #3 -- make sure patterns are inherited properly

&run_make_with_options($makefile, "four.x", &get_logfile);
$answer = "baz: foo two baz\nfour.x: foo two baz\n";
&compare_output($answer,&get_logfile(1));


# TEST #4 -- test multiple patterns matching the same target

&run_make_with_options($makefile, "ab", &get_logfile);
$answer = "aaa bbb\nccc ddd\n";
&compare_output($answer,&get_logfile(1));

1;