#	$NetBSD: Makefile,v 1.155 2011/11/03 07:42:56 joerg Exp $

.include <bsd.own.mk>

HAVE_GCC= 45

# Dependencies in SUBDIR below ordered to maximize parallel ability.
SUBDIR=	host-mkdep .WAIT compat .WAIT \
	binstall .WAIT mktemp .WAIT sed .WAIT \
		genassym \
		makewhatis mkdep mtree\
		m4 \
	.WAIT mkfs.mfs \
	.WAIT yacc \
	.WAIT awk \
	.WAIT tic \
	.WAIT lex \
	.WAIT gmake .WAIT gmp .WAIT mpfr .WAIT mpc .WAIT binutils .WAIT gcc \
		cat file pwd_mkdb stat zic \



.if ${MKTOOLS:Uyes} == "no" || ${USETOOLS} != "yes"	# {
realall realdepend install: check_MKTOOLS

.for dir in ${SUBDIR:N.WAIT}
all-${dir} depend-${dir} dependall-${dir} install-${dir}:
	@true
.endfor
.endif							# }

.include <bsd.subdir.mk>
.include <bsd.obj.mk>

.if !defined(PREVIOUSTOOLDIR)
.  if exists(PREVIOUSTOOLDIR)
PREVIOUSTOOLDIR!=	cat PREVIOUSTOOLDIR
.  else
PREVIOUSTOOLDIR=	
.  endif
.endif

CLEANFILES+=	PREVIOUSTOOLDIR

realall realdepend: .MAKE
.if !empty(PREVIOUSTOOLDIR) && "${PREVIOUSTOOLDIR}" != "${TOOLDIR}"
	@echo "*** WARNING: TOOLDIR has moved?"
	@echo "*** PREVIOUSTOOLDIR '${PREVIOUSTOOLDIR}'"
	@echo "***     !=  TOOLDIR '${TOOLDIR}'"
	@echo "*** Cleaning mis-matched tools"
	rm -f PREVIOUSTOOLDIR
	(cd ${.CURDIR} && ${MAKE} PREVIOUSTOOLDIR=${TOOLDIR} cleandir)
.endif
	echo ${TOOLDIR} >PREVIOUSTOOLDIR

# For each .WAIT point, make sure the immediately preceding target is
# installed before building anything after that point.
# (dsl: which means that with: 'a b .WAIT c' the build of 'c' waits for the
# install of 'b', but not the install of 'a'.)
#
# We use the "internal" targets and dependencies generated by <bsd.subdir.mk>
# to achieve this. These targets look like:
#	subdir-all:	all-dir1     [.WAIT] all-dir2     etc..
#	subdir-install:	install-dir1 [.WAIT] install-dir2 etc..
# and so on for each element in ${TARGETS}, with .WAIT sources inserted at
# places corresponding to the .WAITs in our $SUBDIR variable.
#
# Also, since we're now mixing `install' with `all' and `depend' targets
# an order relationship between those in each individual subdirectory
# must be established.
#
_deps:=
_prev:=

.for d in ${SUBDIR}				# {
_this:=		${d}

.if ${_this} == ".WAIT"				# {

# setup dependency to apply to all/depend targets in the next group
_deps:=		${_deps} ${_prev:S/^/install-/}

# if we're building *only* individual targets (i.e. "dependall-yacc"),
# make sure prerequisite tools build before installing
# XXX: dsl: this is likely to generate a dependency loop since there is
# a .ORDER releation between the nodes as well.
.if !make(all) && !make(dependall) && !make(install)
install-${_prev}: dependall-${_prev}
.endif

.else # ${_this} != ".WAIT"			# } {

# order depend/all/install targets for ${d} subdir.
.ORDER: depend-${d} all-${d} dependall-${d} install-${d}

# prevent cleandir in real{all,depend} from interfering with subdir makes
.ORDER: realdepend dependall-${d}
.ORDER: realdepend depend-${d}
.ORDER: realall all-${d}

# make all/depend-${d} dependent on list of install targets
depend-${d} all-${d} dependall-${d}: ${_deps}

.endif # ${_this} != ".WAIT"			# }

# stash current name in case the next entry is .WAIT
_prev:=		${d}
.endfor						# }

cleandir:
	rm -f ${CLEANFILES}