3 # The include file <bsd.obj.mk> handles creating the 'obj' directory
4 # and cleaning up object files, etc.
8 # CLEANDIRS Additional directories to remove for the clean target.
10 # CLEANFILES Additional files to remove for the clean target.
12 # MAKEOBJDIR A pathname for the directory where the targets
13 # are built. Note: MAKEOBJDIR is an *environment* variable
14 # and works properly only if set as an environment variable,
15 # not as a global or command line variable!
17 # E.g. use `env MAKEOBJDIR=temp-obj make'
19 # MAKEOBJDIRPREFIX Specifies somewhere other than /usr/obj to root the object
20 # tree. Note: MAKEOBJDIRPREFIX is an *environment* variable
21 # and works properly only if set as an environment variable,
22 # not as a global or command line variable!
24 # E.g. use `env MAKEOBJDIRPREFIX=/somewhere/obj make'
26 # NO_OBJ Do not create object directories. This should not be set
27 # if anything is built.
32 # remove ${CLEANFILES}; remove ${CLEANDIRS} and all contents.
35 # remove the build directory (and all its contents) created by obj
38 # create build directory.
41 .if !target(__<bsd.obj.mk>__)
45 .if ${MK_AUTO_OBJ} == "yes"
49 CANONICALOBJDIR= ${.OBJDIR}
50 # This is also done in bsd.init.mk
51 .if defined(NO_OBJ) && ${.OBJDIR} != ${.CURDIR}
52 # but this makefile does not want it!
55 # Handle special case where SRCS is full-pathed and requires
56 # nested objdirs. This duplicates some auto.obj.mk logic.
57 .if (!empty(SRCS:M*/*) || !empty(DPSRCS:M*/*)) && \
58 (${.TARGETS} == "" || ${.TARGETS:Nclean*:N*clean:Ndestroy*} != "")
59 _wantdirs= ${SRCS:M*/*:H} ${DPSRCS:M*/*:H}
61 _wantdirs:= ${_wantdirs:O:u}
63 .for _dir in ${_wantdirs}
64 .if !exists(${.OBJDIR}/${_dir}/)
70 #_mkneededdirs!= umask ${OBJDIR_UMASK:U002}; ${Mkdirs} ${_needdirs}
71 __objdir_made != umask ${OBJDIR_UMASK:U002}; ${Mkdirs}; \
72 for dir in ${_needdirs}; do \
73 dir=${.OBJDIR}/$${dir}; \
74 ${ECHO_TRACE} "[Creating nested objdir $${dir}...]" >&2; \
78 .endif # !empty(SRCS:M*/*) || !empty(DPSRCS:M*/*)
79 .elif !empty(MAKEOBJDIRPREFIX)
80 CANONICALOBJDIR:=${MAKEOBJDIRPREFIX}${.CURDIR}
81 .elif defined(MAKEOBJDIR) && ${MAKEOBJDIR:M/*} != ""
82 CANONICALOBJDIR:=${MAKEOBJDIR}
83 OBJTOP?= ${MAKEOBJDIR}
85 CANONICALOBJDIR:=/usr/obj${.CURDIR}
88 .if defined(SRCTOP) && defined(RELDIR) && \
89 (${CANONICALOBJDIR} == /${RELDIR} || ${.OBJDIR} == /${RELDIR})
90 .error .OBJDIR incorrectly set to /${RELDIR}
93 OBJTOP?= ${.OBJDIR:S,${.CURDIR},,}${SRCTOP}
96 # Warn of unorthodox object directory.
98 # The following directories are tried in order for ${.OBJDIR}:
100 # 1. ${MAKEOBJDIRPREFIX}/`pwd`
107 # If ${.OBJDIR} is constructed using canonical cases 1 or 5, or
108 # case 2 (using MAKEOBJDIR), don't issue a warning. Otherwise,
109 # issue a warning differentiating between cases 6 and (3 or 4).
112 .if !defined(NO_OBJ) && ${.OBJDIR} != ${CANONICALOBJDIR} && \
113 !(defined(MAKEOBJDIRPREFIX) && exists(${CANONICALOBJDIR}/)) && \
114 !(defined(MAKEOBJDIR) && exists(${MAKEOBJDIR}/))
115 .if ${.OBJDIR} == ${.CURDIR}
116 @${ECHO} "Warning: Object directory not changed from original ${.CURDIR}"
117 .elif exists(${.CURDIR}/obj.${MACHINE}/) || exists(${.CURDIR}/obj/)
118 @${ECHO} "Warning: Using ${.OBJDIR} as object directory instead of\
119 canonical ${CANONICALOBJDIR}"
127 @if ! test -d ${CANONICALOBJDIR}/; then \
128 mkdir -p ${CANONICALOBJDIR}; \
129 if ! test -d ${CANONICALOBJDIR}/; then \
130 ${ECHO} "Unable to create ${CANONICALOBJDIR}."; \
133 ${ECHO} "${CANONICALOBJDIR} created for ${.CURDIR}"; \
135 .for dir in ${SRCS:H:O:u} ${DPSRCS:H:O:u}
136 @if ! test -d ${CANONICALOBJDIR}/${dir}/; then \
137 mkdir -p ${CANONICALOBJDIR}/${dir}; \
138 if ! test -d ${CANONICALOBJDIR}/${dir}/; then \
139 ${ECHO} "Unable to create ${CANONICALOBJDIR}/${dir}."; \
142 ${ECHO} "${CANONICALOBJDIR}/${dir} created for ${.CURDIR}"; \
149 @if test -d ${CANONICALOBJDIR}/; then \
150 rm -f ${.CURDIR}/obj; \
151 ln -s ${CANONICALOBJDIR} ${.CURDIR}/obj; \
153 echo "No ${CANONICALOBJDIR} to link to - do a make obj."; \
156 .endif # !defined(NO_OBJ)
159 # where would that obj directory be?
161 .if !target(whereobj)
166 # Same check in bsd.progs.mk
167 .if ${CANONICALOBJDIR} != ${.CURDIR} && exists(${CANONICALOBJDIR}/) && \
168 (${MK_AUTO_OBJ} == "no" || ${.TARGETS:Nclean*:N*clean:Ndestroy*} == "")
170 -rm -rf ${CANONICALOBJDIR}
172 cleanobj: .PHONY clean cleandepend
174 @if [ -L ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi
176 # Tell bmake not to look for generated files via .PATH
177 NOPATH_FILES+= ${CLEANFILES}
178 .if !empty(NOPATH_FILES)
179 .NOPATH: ${NOPATH_FILES}
184 .if defined(CLEANFILES) && !empty(CLEANFILES)
187 .if defined(CLEANDIRS) && !empty(CLEANDIRS)
192 .if ${MK_AUTO_OBJ} == "yes"
197 .include <bsd.subdir.mk>
199 cleandir: .PHONY .WAIT cleanobj
201 .if make(destroy*) && defined(OBJROOT)
202 # this (rm -rf objdir) is much faster and more reliable than cleaning.
204 # just in case we are playing games with these...
208 # destroy almost everything
209 destroy: .PHONY destroy-all
212 # just remove our objdir
213 destroy-arch: .PHONY .NOMETA
214 .if ${_OBJDIR} != ${_CURDIR}
215 cd ${_CURDIR} && rm -rf ${_OBJDIR}
218 .if defined(HOST_OBJTOP)
219 destroy-host: destroy.host
220 destroy.host: .PHONY .NOMETA
221 cd ${_CURDIR} && rm -rf ${HOST_OBJTOP}/${RELDIR:N.}
224 .if make(destroy-all) && ${RELDIR} == "."
225 destroy-all: destroy-stage
228 # remove the stage tree
229 destroy-stage: .PHONY .NOMETA
230 .if defined(STAGE_ROOT)
231 cd ${_CURDIR} && rm -rf ${STAGE_ROOT}
234 # allow parallel destruction
235 _destroy_machine_list = common host ${ALL_MACHINE_LIST}
236 .for m in ${_destroy_machine_list:O:u}
237 destroy-all: destroy.$m
238 .if !target(destroy.$m)
239 destroy.$m: .PHONY .NOMETA
240 .if ${_OBJDIR} != ${_CURDIR}
241 cd ${_CURDIR} && rm -rf ${OBJROOT}$m*/${RELDIR:N.}
248 .endif # !target(__<bsd.obj.mk>__)