cmdline.mk revision 1.1 
1# $NetBSD: cmdline.mk,v 1.1 2020/07/28 22:44:44 rillig Exp $
2#
3# Tests for command line parsing and related special variables.
4
5RUN?=		@set -eu;
6TMPBASE?=	/tmp
7SUB1=		a7b41170-53f8-4cc2-bc5c-e4c3dd93ec45	# just a random UUID
8SUB2=		6a8899d2-d227-4b55-9b6b-f3c8eeb83fd5	# just a random UUID
9MAKE_CMD=	env TMPBASE=${TMPBASE}/${SUB1} ${.MAKE} -f ${MAKEFILE} -r
10DIR2=		${TMPBASE}/${SUB2}
11DIR12=		${TMPBASE}/${SUB1}/${SUB2}
12
13all: prepare-dirs
14all: makeobjdir-direct makeobjdir-indirect
15
16prepare-dirs:
17	${RUN} rm -rf ${DIR2} ${DIR12}
18	${RUN} mkdir -p ${DIR2} ${DIR12}
19
20# The .OBJDIR can be set via the MAKEOBJDIR command line variable.
21# It must be a command line variable; an environment variable would not work.
22makeobjdir-direct:
23	@echo $@:
24	${RUN} ${MAKE_CMD} MAKEOBJDIR=${DIR2} show-objdir
25
26# The .OBJDIR can be set via the MAKEOBJDIR command line variable,
27# and that variable could even contain the usual modifiers.
28# Since the .OBJDIR=MAKEOBJDIR assignment happens very early,
29# the SUB2 variable in the modifier is not defined yet and is therefore empty.
30# The SUB1 in the resulting path comes from the environment variable TMPBASE,
31# see MAKE_CMD.
32makeobjdir-indirect:
33	@echo $@:
34	${RUN} ${MAKE_CMD} MAKEOBJDIR='$${TMPBASE}/$${SUB2}' show-objdir
35
36show-objdir:
37	@echo $@: ${.OBJDIR:Q}
38