xref: /freebsd/share/mk/bsd.subdir.mk (revision 4b15965daa99044daf184221b7c283bf7f2d7e66)
1# The include file <bsd.subdir.mk> contains the default targets
2# for building subdirectories.
3#
4# For all of the directories listed in the variable SUBDIRS, the
5# specified directory will be visited and the target made. There is
6# also a default target which allows the command "make subdir" where
7# subdir is any directory listed in the variable SUBDIRS.
8#
9#
10# +++ variables +++
11#
12# DISTRIBUTION	Name of distribution. [base]
13#
14# SUBDIR	A list of subdirectories that should be built as well.
15#		Each of the targets will execute the same target in the
16#		subdirectories. SUBDIR.yes and SUBDIR.yes.yes are
17#		automatically appended to this list.
18#
19# +++ targets +++
20#
21#	distribute:
22# 		This is a variant of install, which will
23# 		put the stuff into the right "distribution".
24#
25# 	See SUBDIR_TARGETS for list of targets that will recurse.
26#
27# 	Targets defined in STANDALONE_SUBDIR_TARGETS will always be ran
28# 	with SUBDIR_PARALLEL and will not respect .WAIT or SUBDIR_DEPEND_
29# 	values.
30#
31# 	SUBDIR_TARGETS and STANDALONE_SUBDIR_TARGETS can be appended to
32# 	via make.conf or src.conf.
33#
34
35.if !target(__<bsd.subdir.mk>__)
36__<bsd.subdir.mk>__:	.NOTMAIN
37
38.if ${MK_AUTO_OBJ} == "no"
39_obj=	obj
40.endif
41
42SUBDIR_TARGETS+= \
43		all all-man analyze buildconfig buildfiles buildincludes \
44		checkdpadd clean cleandepend cleandir cleanilinks \
45		cleanobj depend distribute files includes installconfig \
46		installdirs \
47		installfiles installincludes print-dir realinstall \
48		maninstall manlint ${_obj} objlink tags \
49
50# Described above.
51STANDALONE_SUBDIR_TARGETS+= \
52		all-man buildconfig buildfiles buildincludes check checkdpadd \
53		clean cleandepend cleandir cleanilinks cleanobj files includes \
54		installconfig installdirs installincludes installfiles print-dir \
55		maninstall manlint obj objlink
56
57.include <bsd.init.mk>
58
59.if ${MK_META_MODE} == "yes"
60.MAKE.JOB.PREFIX=
61ECHODIR=	:
62.endif
63
64.if make(print-dir)
65NEED_SUBDIR=	1
66ECHODIR=	:
67.SILENT:
68.if ${RELDIR:U.} != "."
69print-dir:	.PHONY
70	@echo ${RELDIR}
71.endif
72.endif
73
74.if ${MK_AUTO_OBJ} == "yes" && !target(obj)
75obj: .PHONY
76.endif
77
78.if !defined(NEED_SUBDIR)
79.if ${MK_DIRDEPS_BUILD} == "yes"
80# ignore this
81_SUBDIR:
82# .MAKE.DEPENDFILE==/dev/null is set by bsd.dep.mk to avoid reading
83# Makefile.depend
84.if ${.MAKE.LEVEL} == 0 && !empty(SUBDIR) && ${.MAKE.DEPENDFILE} != "/dev/null"
85.include <meta.subdir.mk>
86.endif
87.endif
88.endif
89
90DISTRIBUTION?=	base
91.if !target(distribute)
92distribute: .MAKE
93.for dist in ${DISTRIBUTION}
94	${_+_}cd ${.CURDIR}; \
95	    ${MAKE} install installconfig -DNO_SUBDIR DISTBASE=/${dist} DESTDIR=${DISTDIR}/${dist} SHARED=copies
96.endfor
97.endif
98# Convenience targets to run 'build${target}' and 'install${target}' when
99# calling 'make ${target}'.
100.for __target in files includes
101.if !target(${__target})
102${__target}:	build${__target} install${__target}
103.ORDER:		build${__target} install${__target}
104.endif
105.endfor
106
107# Make 'install' supports a before and after target.  Actual install
108# hooks are placed in 'realinstall'.
109.if !target(install)
110.for __stage in before real after
111.if !target(${__stage}install)
112${__stage}install:
113.endif
114.endfor
115install:	beforeinstall realinstall afterinstall
116.ORDER:		beforeinstall realinstall afterinstall
117.endif
118.ORDER: all install
119
120# SUBDIR recursing may be disabled for MK_DIRDEPS_BUILD
121.if !target(_SUBDIR)
122
123.if defined(SUBDIR) || defined(SUBDIR.yes) || defined(SUBDIR.yes.yes)
124SUBDIR:=${SUBDIR} ${SUBDIR.yes} ${SUBDIR.yes.yes}
125SUBDIR:=${SUBDIR:u}
126.endif
127
128.if defined(SUBDIR.)
129.error ${.CURDIR}: Found variable 'SUBDIR.' with value "${SUBDIR.}". This was\
130        probably caused by using SUBDIR.$${MK_FOO} without including\
131        <src.opts.mk> or by using an invalid $${MK_FOO} option.
132.endif
133
134# Subdir code shared among 'make <subdir>', 'make <target>' and SUBDIR_PARALLEL.
135_SUBDIR_SH=	\
136		if test -d ${.CURDIR}/$${dir}.${MACHINE_ARCH}; then \
137			dir=$${dir}.${MACHINE_ARCH}; \
138		fi; \
139		${ECHODIR} "===> ${DIRPRFX}$${dir} ($${target})"; \
140		cd ${.CURDIR}/$${dir}; \
141		${MAKE} $${target} DIRPRFX=${DIRPRFX}$${dir}/
142
143# This is kept for compatibility only.  The normal handling of attaching to
144# SUBDIR_TARGETS will create a target for each directory.
145_SUBDIR: .USEBEFORE
146.if defined(SUBDIR) && !empty(SUBDIR) && !defined(NO_SUBDIR)
147	@${_+_}target=${.TARGET:realinstall=install}; \
148	    for dir in ${SUBDIR:N.WAIT}; do ( ${_SUBDIR_SH} ); done
149.endif
150
151# Create 'make subdir' targets to run the real 'all' target.
152.for __dir in ${SUBDIR:N.WAIT}
153${__dir}: all_subdir_${DIRPRFX}${__dir} .PHONY
154.endfor
155
156.for __target in ${SUBDIR_TARGETS}
157# Can ordering be skipped for this and SUBDIR_PARALLEL forced?
158.if ${STANDALONE_SUBDIR_TARGETS:M${__target}}
159_is_standalone_target=	1
160_subdir_filter=	N.WAIT
161.else
162_is_standalone_target=	0
163_subdir_filter=
164.endif
165__subdir_targets=
166.for __dir in ${SUBDIR:${_subdir_filter}}
167.if ${__dir} == .WAIT
168__subdir_targets+= .WAIT
169.else
170__deps=
171.if ${_is_standalone_target} == 0
172.if defined(SUBDIR_PARALLEL)
173# Apply SUBDIR_DEPEND dependencies for SUBDIR_PARALLEL.
174.for __dep in ${SUBDIR_DEPEND_${__dir}}
175__deps+= ${__target}_subdir_${DIRPRFX}${__dep}
176.endfor
177.else
178# For non-parallel builds, directories depend on all targets before them.
179__deps:= ${__subdir_targets}
180.endif	# defined(SUBDIR_PARALLEL)
181.endif	# ${_is_standalone_target} == 0
182${__target}_subdir_${DIRPRFX}${__dir}: .PHONY .MAKE .SILENT ${__deps}
183	@${_+_}target=${__target:realinstall=install}; \
184	    dir=${__dir}; \
185	    ${_SUBDIR_SH};
186__subdir_targets+= ${__target}_subdir_${DIRPRFX}${__dir}
187.endif	# ${__dir} == .WAIT
188.endfor	# __dir in ${SUBDIR}
189
190# Attach the subdir targets to the real target.
191# Only recurse on directly-called targets.  I.e., don't recurse on dependencies
192# such as 'install' becoming {before,real,after}install, just recurse
193# 'install'.  Despite that, 'realinstall' is special due to ordering issues
194# with 'afterinstall'.
195.if !defined(NO_SUBDIR) && (make(${__target}) || \
196    (${__target} == realinstall && make(install)))
197${__target}: ${__subdir_targets} .PHONY
198.endif	# make(${__target})
199.endfor	# __target in ${SUBDIR_TARGETS}
200
201.endif	# !target(_SUBDIR)
202
203# Ensure all targets exist
204.for __target in ${SUBDIR_TARGETS}
205.if !target(${__target})
206${__target}:
207.endif
208.endfor
209
210.endif
211