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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"
     10 obj:
     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.
     22 obj:
     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} -> ${__objdir}"; \
     35 	fi
     36 .else
     37 PAWD?=		/bin/pwd
     38 
     39 __objdir=	obj${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 
     59 obj:
     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 
    100 print-objdir:
    101 	@echo ${.OBJDIR}
    102 .endif
    103