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bsd.obj.mk revision 1.38 
      1 #	$NetBSD: bsd.obj.mk,v 1.38 2001/11/28 20:12:47 tv 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=	${USR_OBJMACHINE:D:U${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 
     56 obj:
     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 
     97 print-objdir:
     98 	@echo ${.OBJDIR}
     99 .endif
    100