Documentation and tests for order-only prerequisites.

Add a new test suite for automatic variables.

1 files changed, 40 insertions, 7 deletions

diff --git a/tests/scripts/features/order_only b/tests/scripts/features/order_only
index 81284c5..e324d68 100644
--- a/tests/scripts/features/order_only
+++ b/tests/scripts/features/order_only
@@ -10,7 +10,6 @@ open(MAKEFILE,"> $makefile");
 print MAKEFILE <<'EOF';
 foo: bar | baz
 	@echo '$$^ = $^'
-	@echo '$$? = $?'
 	@echo '$$| = $|'
 	touch $@
 
@@ -26,7 +25,7 @@ close(MAKEFILE);
 # TEST #1 -- just the syntax
 
 &run_make_with_options($makefile, "", &get_logfile);
-$answer = "touch bar\ntouch baz\n\$^ = bar\n\$? = bar\n\$| = baz\ntouch foo\n";
+$answer = "touch bar\ntouch baz\n\$^ = bar\n\$| = baz\ntouch foo\n";
 &compare_output($answer,&get_logfile(1));
 
 
@@ -47,7 +46,6 @@ open(MAKEFILE,"> $makefile2");
 print MAKEFILE <<'EOF';
 foo: bar | baz
 	@echo '$$^ = $^'
-	@echo '$$? = $?'
 	@echo '$$| = $|'
 	touch $@
 
@@ -61,19 +59,54 @@ EOF
 
 close(MAKEFILE);
 
-# TEST #3 -- just the syntax
+# TEST #3 -- Make sure the order-only prereq was promoted to normal.
 
 &run_make_with_options($makefile2, "", &get_logfile);
-$answer = "touch bar\ntouch baz\n\$^ = bar baz\n\$? = bar baz\n\$| = baz\ntouch foo\n";
+$answer = "touch bar\ntouch baz\n\$^ = bar baz\n\$| = \ntouch foo\n";
 &compare_output($answer,&get_logfile(1));
 
 
-# TEST #2 -- now we do it again: baz is PHONY but foo should _NOT_ be updated
+# TEST #4 -- now we do it again
 
 &run_make_with_options($makefile2, "", &get_logfile);
-$answer = "touch baz\$^ = bar baz\n\$? = baz\n\$| = baz\ntouch foo\n";
+$answer = "touch baz\n\$^ = bar baz\n\$| = \ntouch foo\n";
 &compare_output($answer,&get_logfile(1));
 
 unlink(qw(foo bar baz));
 
+# Test empty normal prereqs
+
+$makefile3 = &get_tmpfile;
+
+open(MAKEFILE,"> $makefile3");
+
+print MAKEFILE <<'EOF';
+foo:| baz
+	@echo '$$^ = $^'
+	@echo '$$| = $|'
+	touch $@
+
+.PHONY: baz
+
+baz:
+	touch $@
+EOF
+
+close(MAKEFILE);
+
+# TEST #5 -- make sure the parser was correct.
+
+&run_make_with_options($makefile3, "", &get_logfile);
+$answer = "touch baz\n\$^ = \n\$| = baz\ntouch foo\n";
+&compare_output($answer,&get_logfile(1));
+
+
+# TEST #6 -- now we do it again: this time foo won't be built
+
+&run_make_with_options($makefile3, "", &get_logfile);
+$answer = "touch baz\n";
+&compare_output($answer,&get_logfile(1));
+
+unlink(qw(foo baz));
+
 1;