bsd.obj.mk revision 1.37 
1#	$NetBSD: bsd.obj.mk,v 1.37 2001/11/27 05:42:24 jmc Exp $
2
3.if !target(__initialized_obj__)
4__initialized_obj__:
5.include <bsd.own.mk>
6
7__curdir:=	${.CURDIR}
8
9.if ${MKOBJ} == "no"
10obj:
11.else
12.if defined(MAKEOBJDIRPREFIX) || defined(MAKEOBJDIR)
13.if defined(MAKEOBJDIRPREFIX)
14__objdir:= ${MAKEOBJDIRPREFIX}${__curdir}
15.else
16__objdir:= ${MAKEOBJDIR}
17.endif
18# MAKEOBJDIR and MAKEOBJDIRPREFIX are env variables supported
19# by make(1).  We simply mkdir -p the specified path.
20# If that fails - we do a mkdir to get the appropriate error message
21# before bailing out.
22obj:
23.if defined(MAKEOBJDIRPREFIX)
24	@if [ ! -d ${MAKEOBJDIRPREFIX} ]; then \
25		echo "MAKEOBJDIRPREFIX ${MAKEOBJDIRPREFIX} does not exist, bailing..."; \
26		exit 1; \
27	fi; 
28.endif
29	@if [ ! -d ${__objdir} ]; then \
30		mkdir -p ${__objdir}; \
31		if [ ! -d ${__objdir} ]; then \
32			mkdir ${__objdir}; exit 1; \
33		fi; \
34		echo "${__curdir} -> ${__objdir}"; \
35	fi
36.else
37PAWD?=		/bin/pwd
38
39__objdir=	obj${OBJMACHINE:D.${MACHINE}}
40
41__usrobjdir=	${BSDOBJDIR}${USR_OBJMACHINE:D.${MACHINE}}
42__usrobjdirpf=
43.if !defined(USR_OBJMACHINE)
44__usrobjdirpf=	${OBJMACHINE:D.${MACHINE}}
45.endif
46
47.if defined(OBJHOSTMACHINE) && (${MKHOSTOBJ:Uno} != "no")
48# In case .CURDIR has been twiddled by a .mk file and is now relative,
49# make it absolute again.
50.if ${__curdir:M/*} == ""
51__curdir!=	cd ${__curdir} && ${PAWD}
52.endif
53
54__objdir:=	${__objdir}.${HOST_OSTYPE}
55__usrobjdirpf:=	${__usrobjdirpf}.${HOST_OSTYPE}
56.OBJDIR:	${__objdir}
57.endif
58
59obj:
60	@cd ${__curdir}; \
61	here=`${PAWD}`/; subdir=$${here#${BSDSRCDIR}/}; \
62	if [ "$$here" != "$$subdir" ]; then \
63		if [ ! -d ${__usrobjdir} ]; then \
64			echo "BSDOBJDIR ${__usrobjdir} does not exist, bailing..."; \
65			exit 1; \
66		fi; \
67		subdir=$${subdir%/}; \
68		dest=${__usrobjdir}/$$subdir${__usrobjdirpf}; \
69		if [ -h $${here}${__objdir} ]; then \
70			curtarg=`ls -ld $${here}${__objdir} | awk '{print $$NF}'` ; \
71			if [ "$$curtarg" = "$$dest" ]; then \
72				: ; \
73			else \
74				echo "$${here}${__objdir} -> $$dest"; \
75				rm -rf ${__objdir}; \
76				ln -s $$dest ${__objdir}; \
77			fi; \
78		else \
79			echo "$${here}${__objdir} -> $$dest"; \
80			rm -rf ${__objdir}; \
81			ln -s $$dest ${__objdir}; \
82		fi; \
83		if [ ! -d $$dest ]; then \
84			mkdir -p $$dest; \
85		else \
86			true; \
87		fi; \
88	else \
89		true ; \
90		dest=$${here}${__objdir} ; \
91		if [ ! -d ${__objdir} ] || [ -h ${__objdir} ]; then \
92			echo "making $$dest" ; \
93			rm -f ${__objdir}; \
94			mkdir $$dest; \
95		fi ; \
96	fi;
97.endif
98.endif
99
100print-objdir:
101	@echo ${.OBJDIR}
102.endif
103