NetBSD/share/mk/bsd.obj.mk

#	$NetBSD: bsd.obj.mk,v 1.52 2018/05/19 14:11:30 christos Exp $

.if !defined(_BSD_OBJ_MK_)
_BSD_OBJ_MK_=1

.include <bsd.own.mk>

__curdir:=	${.CURDIR}

.if ${MKOBJ} == "no"
obj:
.else
.if defined(MAKEOBJDIRPREFIX) || defined(MAKEOBJDIR)
.if defined(MAKEOBJDIRPREFIX)
__objdir:= ${MAKEOBJDIRPREFIX}${__curdir}
.else
__objdir:= ${MAKEOBJDIR}
.endif
# MAKEOBJDIR and MAKEOBJDIRPREFIX are env variables supported
# by make(1).  We simply mkdir -p the specified path.
# If that fails - we do a mkdir to get the appropriate error message
# before bailing out.
obj:
.if defined(MAKEOBJDIRPREFIX)
	@if [ ! -d ${MAKEOBJDIRPREFIX} ]; then \
		echo "MAKEOBJDIRPREFIX ${MAKEOBJDIRPREFIX} does not exist, bailing..."; \
		exit 1; \
	fi;
.endif
.if ${.CURDIR} == ${.OBJDIR}
	@if [ ! -d ${__objdir} ]; then \
		mkdir -p ${__objdir}; \
		if [ ! -d ${__objdir} ]; then \
			mkdir ${__objdir}; exit 1; \
		fi; \
		${_MKSHMSG} " objdir  ${__objdir}"; \
	fi
.endif
.else
PAWD?=		/bin/pwd

__objdirsuffix=	${OBJMACHINE:D.${MACHINE}${OBJMACHINE_ARCH:D-${MACHINE_ARCH}}}
__objdir=	obj${__objdirsuffix}

__usrobjdir=	${BSDOBJDIR}${USR_OBJMACHINE:D.${MACHINE}}
__usrobjdirpf=	${USR_OBJMACHINE:D:U${__objdirsuffix}}

.if defined(BUILDID)
__objdir:=	${__objdir}.${BUILDID}
__usrobjdirpf:=	${__usrobjdirpf}.${BUILDID}
__need_objdir_target=yes
.endif

.if defined(OBJHOSTMACHINE) && (${MKHOSTOBJ:Uno} != "no")
# In case .CURDIR has been twiddled by a .mk file and is now relative,
# make it absolute again.
.if ${__curdir:M/*} == ""
__curdir!=	cd "${__curdir}" && ${PAWD}
.endif

__objdir:=	${__objdir}.${HOST_OSTYPE}
__usrobjdirpf:=	${__usrobjdirpf}.${HOST_OSTYPE}
__need_objdir_target=yes
.endif

.if defined(__need_objdir_target)
# Get make to change its internal definition of .OBJDIR
.OBJDIR:	${__objdir}
.endif

obj:
	@cd "${__curdir}"; \
	here=`${PAWD}`/; subdir=$${here#${BSDSRCDIR}/}; \
	if [ "$$here" != "$$subdir" ]; then \
		if [ ! -d ${__usrobjdir} ]; then \
			echo "BSDOBJDIR ${__usrobjdir} does not exist, bailing..."; \
			exit 1; \
		fi; \
		subdir=$${subdir%/}; \
		dest=${__usrobjdir}/$$subdir${__usrobjdirpf}; \
		if  [ -x ${TOOL_STAT} ] && \
		    ttarg=`${TOOL_STAT} -qf '%Y' $${here}${__objdir}` && \
		    [ "$$dest" = "$$ttarg" ]; then \
			: ; \
		else \
			${_MKSHMSG} " objdir  $$dest"; \
			rm -rf ${__objdir}; \
			ln -s $$dest ${__objdir}; \
		fi; \
		if [ ! -d $$dest ]; then \
			mkdir -p $$dest; \
		else \
			true; \
		fi; \
	else \
		true ; \
		dest=$${here}${__objdir} ; \
		if [ ! -d ${__objdir} ] || [ -h ${__objdir} ]; then \
			${_MKSHMSG} " objdir  $$dest"; \
			rm -f ${__objdir}; \
			mkdir $$dest; \
		fi ; \
	fi;
.endif
.endif

print-objdir:
	@echo ${.OBJDIR}

.include <bsd.sys.mk>

.endif	# !defined(_BSD_OBJ_MK_)