Add a unit-test for .ORDER

usr.bin/make/unit-tests/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.34 2012/06/19 23:25:53 sjg Exp $
+# $NetBSD: Makefile,v 1.35 2012/11/09 19:08:28 sjg Exp $
 #
 # Unit tests for make(1)
 # The main targets are:
@@ -36,6 +36,7 @@ SUBFILES= \
 	modorder \
 	modts \
 	modword \
+	order \
 	phony-end \
 	posix \
 	qequals \
@@ -48,6 +49,7 @@ SUBFILES= \
 all: ${SUBFILES}
 
 flags.doterror=
+flags.order=-j1
 
 # the tests are actually done with sub-makes.
 .PHONY: ${SUBFILES}

usr.bin/make/unit-tests/order

@@ -0,0 +1,20 @@
+# $NetBSD: order,v 1.1 2012/11/09 19:08:28 sjg Exp $
+
+# Test that .ORDER is handled correctly.
+# The explicit dependency the.o: the.h will make us examine the.h
+# the .ORDER will prevent us building it immediately,
+# we should then examine the.c rather than stop.
+
+all: the.o
+
+.ORDER: the.c the.h
+
+the.c the.h:
+	@echo Making $@
+
+.SUFFIXES: .o .c
+
+.c.o:
+	@echo Making $@ from $?
+
+the.o: the.h

usr.bin/make/unit-tests/test.exp

@@ -310,6 +310,9 @@ LIST:tw:C/ /,/g="one two three four five six"
 LIST:tw:C/ /,/1g="one two three four five six"
 LIST:tw:tW:C/ /,/="one,two three four five six"
 LIST:tW:tw:C/ /,/="one two three four five six"
+Making the.c
+Making the.h
+Making the.o from the.h the.c
 .TARGET="phony" .PREFIX="phony" .IMPSRC=""
 .TARGET="all" .PREFIX="all" .IMPSRC=""
 .TARGET="ok" .PREFIX="ok" .IMPSRC=""