bsd.obj.mk revision 1.39 
1#	$NetBSD: bsd.obj.mk,v 1.39 2001/11/29 11:57:21 wiz 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=	${USR_OBJMACHINE:D:U${OBJMACHINE:D.${MACHINE}}}
43
44.if defined(OBJHOSTMACHINE) && (${MKHOSTOBJ:Uno} != "no")
45# In case .CURDIR has been twiddled by a .mk file and is now relative,
46# make it absolute again.
47.if ${__curdir:M/*} == ""
48__curdir!=	cd ${__curdir} && ${PAWD}
49.endif
50
51__objdir:=	${__objdir}.${HOST_OSTYPE}
52__usrobjdirpf:=	${__usrobjdirpf}.${HOST_OSTYPE}
53.OBJDIR:	${__objdir}
54.endif
55
56obj:
57	@cd ${__curdir}; \
58	here=`${PAWD}`/; subdir=$${here#${BSDSRCDIR}/}; \
59	if [ "$$here" != "$$subdir" ]; then \
60		if [ ! -d ${__usrobjdir} ]; then \
61			echo "BSDOBJDIR ${__usrobjdir} does not exist, bailing..."; \
62			exit 1; \
63		fi; \
64		subdir=$${subdir%/}; \
65		dest=${__usrobjdir}/$$subdir${__usrobjdirpf}; \
66		if [ -h $${here}${__objdir} ]; then \
67			curtarg=`ls -ld $${here}${__objdir} | awk '{print $$NF}'` ; \
68			if [ "$$curtarg" = "$$dest" ]; then \
69				: ; \
70			else \
71				echo "$${here}${__objdir} -> $$dest"; \
72				rm -rf ${__objdir}; \
73				ln -s $$dest ${__objdir}; \
74			fi; \
75		else \
76			echo "$${here}${__objdir} -> $$dest"; \
77			rm -rf ${__objdir}; \
78			ln -s $$dest ${__objdir}; \
79		fi; \
80		if [ ! -d $$dest ]; then \
81			mkdir -p $$dest; \
82		else \
83			true; \
84		fi; \
85	else \
86		true ; \
87		dest=$${here}${__objdir} ; \
88		if [ ! -d ${__objdir} ] || [ -h ${__objdir} ]; then \
89			echo "making $$dest" ; \
90			rm -f ${__objdir}; \
91			mkdir $$dest; \
92		fi ; \
93	fi;
94.endif
95.endif
96
97print-objdir:
98	@echo ${.OBJDIR}
99.endif
100