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bsd.subdir.mk revision 1.43 
      1 #	$NetBSD: bsd.subdir.mk,v 1.43 2001/09/21 20:50:23 tv Exp $
      2 #	@(#)bsd.subdir.mk	8.1 (Berkeley) 6/8/93
      3 
      4 .if !target(__initialized__)
      5 __initialized__:
      6 .if exists(${.CURDIR}/../Makefile.inc)
      7 .include "${.CURDIR}/../Makefile.inc"
      8 .endif
      9 .include <bsd.own.mk>
     10 .MAIN:		all
     11 .endif
     12 
     13 .for dir in ${SUBDIR}
     14 .if exists(${dir}.${MACHINE})
     15 __REALSUBDIR+=${dir}.${MACHINE}
     16 .else
     17 __REALSUBDIR+=${dir}
     18 .endif
     19 .endfor
     20 
     21 .if defined(DESTDIR) && exists(${DESTDIR}/usr/share/mk/sys.mk)
     22 _M=-m ${DESTDIR}/usr/share/mk
     23 .else
     24 _M=
     25 .endif
     26 
     27 __recurse: .USE
     28 	@targ=${.TARGET:C/-.*$//};dir=${.TARGET:C/^[^-]*-//};		\
     29 	case "$$dir" in /*)						\
     30 		echo "$$targ ===> $$dir";				\
     31 		cd "$$dir";						\
     32 		${MAKE} ${_M} "_THISDIR_=$$dir/" $$targ;		\
     33 		;;							\
     34 	*)								\
     35 		echo "$$targ ===> ${_THISDIR_}$$dir";			\
     36 		cd "${.CURDIR}/$$dir";					\
     37 		${MAKE} ${_M} "_THISDIR_=${_THISDIR_}$$dir/" $$targ;	\
     38 		;;							\
     39 	esac
     40 
     41 .if make(cleandir)
     42 __RECURSETARG=	${TARGETS:Nclean}
     43 .else
     44 __RECURSETARG=	${TARGETS}
     45 .endif
     46 
     47 # for obscure reasons, we can't do a simple .if ${dir} == ".WAIT"
     48 # but have to assign to __TARGDIR first.
     49 .for targ in ${__RECURSETARG}
     50 .for dir in ${__REALSUBDIR}
     51 __TARGDIR := ${dir}
     52 .if ${__TARGDIR} == ".WAIT"
     53 SUBDIR_${targ} += .WAIT
     54 .elif !commands(${targ}-${dir})
     55 .PHONY: ${targ}-${dir}
     56 ${targ}-${dir}: .MAKE __recurse
     57 SUBDIR_${targ} += ${targ}-${dir}
     58 .endif
     59 .endfor
     60 .if defined(__REALSUBDIR)
     61 .PHONY: subdir-${targ}
     62 subdir-${targ}: ${SUBDIR_${targ}}
     63 ${targ}: subdir-${targ}
     64 .endif
     65 .endfor
     66 
     67 # Make sure all of the standard targets are defined, even if they do nothing.
     68 ${TARGETS}:
     69