Updating usr.bin/make

Change-Id: I66b137a0368cf99267cd47a9625da8a12d8a1df7

usr.bin/make/unit-tests/forloop

@@ -0,0 +1,45 @@
+# $Id: forloop,v 1.1 2012/06/19 23:25:53 sjg Exp $
+
+all: for-loop
+
+LIST = one "two and three" four "five"
+
+.if make(for-fail)
+for-fail:
+
+XTRA_LIST = xtra
+.else
+
+.for x in ${LIST}
+X!= echo 'x=$x' >&2; echo
+.endfor
+
+CFL = -I/this -I"This or that" -Ithat "-DTHIS=\"this and that\""
+cfl=
+.for x in ${CFL}
+X!= echo 'x=$x' >&2; echo
+.if empty(cfl)
+cfl= $x
+.else
+cfl+= $x
+.endif
+.endfor
+X!= echo 'cfl=${cfl}' >&2; echo
+
+.if ${cfl} != ${CFL}
+.error ${.newline}'${cfl}' != ${.newline}'${CFL}'
+.endif
+
+.for a b in ${EMPTY}
+X!= echo 'a=$a b=$b' >&2; echo
+.endfor
+.endif
+
+.for a b in ${LIST} ${LIST:tu} ${XTRA_LIST}
+X!= echo 'a=$a b=$b' >&2; echo
+.endfor
+
+for-loop:
+	@echo We expect an error next:
+	@(cd ${.CURDIR} && ${.MAKE} -f ${MAKEFILE} for-fail) && \
+	{ echo "Oops that should have failed!"; exit 1; } || echo OK