NetBSD/usr.bin/make/unit-tests/varcmd.mk
sjg 156dbb683c Ensure VAR+=val on command line is handled correctly
If VAR is not previously set, call Var_Set to deal with
the special case of VAR_CMD.

If VAR is previously set, and ctxt is VAR_CMD we should do the update
even if VAR_FROM_CMD is set.
2017-12-08 03:36:42 +00:00

61 lines
888 B
Makefile

# $Id: varcmd.mk,v 1.3 2017/12/08 03:36:42 sjg Exp $
#
# Test behaviour of recursive make and vars set on command line.
FU=fu
FOO?=foo
.if !empty(.TARGETS)
TAG=${.TARGETS}
.endif
TAG?=default
all: one
show:
@echo "${TAG} FU=<v>${FU}</v> FOO=<v>${FOO}</v> VAR=<v>${VAR}</v>"
one: show
@${.MAKE} -f ${MAKEFILE} FU=bar FOO+=goo two
two: show
@${.MAKE} -f ${MAKEFILE} three
three: show
@${.MAKE} -f ${MAKEFILE} four
.ifmake two
# this should not work
FU+= oops
FOO+= oops
_FU:= ${FU}
_FOO:= ${FOO}
two: immutable
immutable:
@echo "$@ FU='${_FU}'"
@echo "$@ FOO='${_FOO}'"
.endif
.ifmake four
VAR=Internal
.MAKEOVERRIDES+= VAR
.endif
four: show
@${.MAKE} -f ${MAKEFILE} five
M = x
V.y = is y
V.x = is x
V := ${V.$M}
K := ${V}
show-v:
@echo '${TAG} v=${V} k=${K}'
five: show show-v
@${.MAKE} -f ${MAKEFILE} M=y six
six: show-v
@${.MAKE} -f ${MAKEFILE} V=override show-v