xref: /freebsd/share/mk/bsd.subdir.mk (revision 7ef62cebc2f965b0f640263e179276928885e33d)
1#	from: @(#)bsd.subdir.mk	5.9 (Berkeley) 2/1/91
2# $FreeBSD$
3#
4# The include file <bsd.subdir.mk> contains the default targets
5# for building subdirectories.
6#
7# For all of the directories listed in the variable SUBDIRS, the
8# specified directory will be visited and the target made. There is
9# also a default target which allows the command "make subdir" where
10# subdir is any directory listed in the variable SUBDIRS.
11#
12#
13# +++ variables +++
14#
15# DISTRIBUTION	Name of distribution. [base]
16#
17# SUBDIR	A list of subdirectories that should be built as well.
18#		Each of the targets will execute the same target in the
19#		subdirectories. SUBDIR.yes and SUBDIR.yes.yes are
20#		automatically appended to this list.
21#
22# +++ targets +++
23#
24#	distribute:
25# 		This is a variant of install, which will
26# 		put the stuff into the right "distribution".
27#
28# 	See SUBDIR_TARGETS for list of targets that will recurse.
29#
30# 	Targets defined in STANDALONE_SUBDIR_TARGETS will always be ran
31# 	with SUBDIR_PARALLEL and will not respect .WAIT or SUBDIR_DEPEND_
32# 	values.
33#
34# 	SUBDIR_TARGETS and STANDALONE_SUBDIR_TARGETS can be appended to
35# 	via make.conf or src.conf.
36#
37
38.if !target(__<bsd.subdir.mk>__)
39__<bsd.subdir.mk>__:
40
41.if ${MK_AUTO_OBJ} == "no"
42_obj=	obj
43.endif
44
45SUBDIR_TARGETS+= \
46		all all-man analyze buildconfig buildfiles buildincludes \
47		checkdpadd clean cleandepend cleandir cleanilinks \
48		cleanobj depend distribute files includes installconfig \
49		installdirs \
50		installfiles installincludes print-dir realinstall \
51		maninstall manlint ${_obj} objlink tags \
52
53# Described above.
54STANDALONE_SUBDIR_TARGETS+= \
55		all-man buildconfig buildfiles buildincludes check checkdpadd \
56		clean cleandepend cleandir cleanilinks cleanobj files includes \
57		installconfig installdirs installincludes installfiles print-dir \
58		maninstall manlint obj objlink
59
60# It is safe to install in parallel when staging.
61.if defined(NO_ROOT) || !empty(SYSROOT)
62STANDALONE_SUBDIR_TARGETS+= realinstall
63.endif
64
65.include <bsd.init.mk>
66
67.if ${MK_META_MODE} == "yes"
68.MAKE.JOB.PREFIX=
69ECHODIR=	:
70.endif
71
72.if make(print-dir)
73NEED_SUBDIR=	1
74ECHODIR=	:
75.SILENT:
76.if ${RELDIR:U.} != "."
77print-dir:	.PHONY
78	@echo ${RELDIR}
79.endif
80.endif
81
82.if ${MK_AUTO_OBJ} == "yes" && !target(obj)
83obj: .PHONY
84.endif
85
86.if !defined(NEED_SUBDIR)
87# .MAKE.DEPENDFILE==/dev/null is set by bsd.dep.mk to avoid reading
88# Makefile.depend
89.if ${.MAKE.LEVEL} == 0 && ${MK_DIRDEPS_BUILD} == "yes" && !empty(SUBDIR) && \
90    ${.MAKE.DEPENDFILE} != "/dev/null"
91.include <meta.subdir.mk>
92# ignore this
93_SUBDIR:
94.endif
95.endif
96
97DISTRIBUTION?=	base
98.if !target(distribute)
99distribute: .MAKE
100.for dist in ${DISTRIBUTION}
101	${_+_}cd ${.CURDIR}; \
102	    ${MAKE} install installconfig -DNO_SUBDIR DISTBASE=/${dist} DESTDIR=${DISTDIR}/${dist} SHARED=copies
103.endfor
104.endif
105# Convenience targets to run 'build${target}' and 'install${target}' when
106# calling 'make ${target}'.
107.for __target in files includes
108.if !target(${__target})
109${__target}:	build${__target} install${__target}
110.ORDER:		build${__target} install${__target}
111.endif
112.endfor
113
114# Make 'install' supports a before and after target.  Actual install
115# hooks are placed in 'realinstall'.
116.if !target(install)
117.for __stage in before real after
118.if !target(${__stage}install)
119${__stage}install:
120.endif
121.endfor
122install:	beforeinstall realinstall afterinstall
123.ORDER:		beforeinstall realinstall afterinstall
124.endif
125.ORDER: all install
126
127# SUBDIR recursing may be disabled for MK_DIRDEPS_BUILD
128.if !target(_SUBDIR)
129
130.if defined(SUBDIR) || defined(SUBDIR.yes) || defined(SUBDIR.yes.yes)
131SUBDIR:=${SUBDIR} ${SUBDIR.yes} ${SUBDIR.yes.yes}
132SUBDIR:=${SUBDIR:u}
133.endif
134
135.if defined(SUBDIR.)
136.error ${.CURDIR}: Found variable SUBDIR. with value "${SUBDIR.}". This was \
137        probably caused by using SUBDIR.$${MK_FOO} without including \
138        <src.opts.mk> or by using an invalid $${MK_FOO} option.
139.endif
140
141# Subdir code shared among 'make <subdir>', 'make <target>' and SUBDIR_PARALLEL.
142_SUBDIR_SH=	\
143		if test -d ${.CURDIR}/$${dir}.${MACHINE_ARCH}; then \
144			dir=$${dir}.${MACHINE_ARCH}; \
145		fi; \
146		${ECHODIR} "===> ${DIRPRFX}$${dir} ($${target})"; \
147		cd ${.CURDIR}/$${dir}; \
148		${MAKE} $${target} DIRPRFX=${DIRPRFX}$${dir}/
149
150# This is kept for compatibility only.  The normal handling of attaching to
151# SUBDIR_TARGETS will create a target for each directory.
152_SUBDIR: .USEBEFORE
153.if defined(SUBDIR) && !empty(SUBDIR) && !defined(NO_SUBDIR)
154	@${_+_}target=${.TARGET:realinstall=install}; \
155	    for dir in ${SUBDIR:N.WAIT}; do ( ${_SUBDIR_SH} ); done
156.endif
157
158# Create 'make subdir' targets to run the real 'all' target.
159.for __dir in ${SUBDIR:N.WAIT}
160${__dir}: all_subdir_${DIRPRFX}${__dir} .PHONY
161.endfor
162
163.for __target in ${SUBDIR_TARGETS}
164# Can ordering be skipped for this and SUBDIR_PARALLEL forced?
165.if ${STANDALONE_SUBDIR_TARGETS:M${__target}}
166_is_standalone_target=	1
167_subdir_filter=	N.WAIT
168.else
169_is_standalone_target=	0
170_subdir_filter=
171.endif
172__subdir_targets=
173.for __dir in ${SUBDIR:${_subdir_filter}}
174.if ${__dir} == .WAIT
175__subdir_targets+= .WAIT
176.else
177__deps=
178.if ${_is_standalone_target} == 0
179.if defined(SUBDIR_PARALLEL)
180# Apply SUBDIR_DEPEND dependencies for SUBDIR_PARALLEL.
181.for __dep in ${SUBDIR_DEPEND_${__dir}}
182__deps+= ${__target}_subdir_${DIRPRFX}${__dep}
183.endfor
184.else
185# For non-parallel builds, directories depend on all targets before them.
186__deps:= ${__subdir_targets}
187.endif	# defined(SUBDIR_PARALLEL)
188.endif	# ${_is_standalone_target} == 0
189${__target}_subdir_${DIRPRFX}${__dir}: .PHONY .MAKE .SILENT ${__deps}
190	@${_+_}target=${__target:realinstall=install}; \
191	    dir=${__dir}; \
192	    ${_SUBDIR_SH};
193__subdir_targets+= ${__target}_subdir_${DIRPRFX}${__dir}
194.endif	# ${__dir} == .WAIT
195.endfor	# __dir in ${SUBDIR}
196
197# Attach the subdir targets to the real target.
198# Only recurse on directly-called targets.  I.e., don't recurse on dependencies
199# such as 'install' becoming {before,real,after}install, just recurse
200# 'install'.  Despite that, 'realinstall' is special due to ordering issues
201# with 'afterinstall'.
202.if !defined(NO_SUBDIR) && (make(${__target}) || \
203    (${__target} == realinstall && make(install)))
204${__target}: ${__subdir_targets} .PHONY
205.endif	# make(${__target})
206.endfor	# __target in ${SUBDIR_TARGETS}
207
208.endif	# !target(_SUBDIR)
209
210# Ensure all targets exist
211.for __target in ${SUBDIR_TARGETS}
212.if !target(${__target})
213${__target}:
214.endif
215.endfor
216
217.endif
218