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 !make(print-dir) && empty(.MAKEFLAGS:M-[nN])
60 _wantdirs= ${SRCS:M*/*:H} ${DPSRCS:M*/*:H}
62 _wantdirs:= ${_wantdirs:O:u}
64 .for _dir in ${_wantdirs}
65 .if !exists(${.OBJDIR}/${_dir}/)
71 #_mkneededdirs!= umask ${OBJDIR_UMASK:U002}; ${Mkdirs} ${_needdirs}
72 __objdir_made != umask ${OBJDIR_UMASK:U002}; ${Mkdirs}; \
73 for dir in ${_needdirs}; do \
74 dir=${.OBJDIR}/$${dir}; \
75 ${ECHO_TRACE} "[Creating nested objdir $${dir}...]" >&2; \
79 .endif # !empty(SRCS:M*/*) || !empty(DPSRCS:M*/*)
80 .elif !empty(MAKEOBJDIRPREFIX)
81 CANONICALOBJDIR:=${MAKEOBJDIRPREFIX}${.CURDIR}
82 .elif defined(MAKEOBJDIR) && ${MAKEOBJDIR:M/*} != ""
83 CANONICALOBJDIR:=${MAKEOBJDIR}
84 OBJTOP?= ${MAKEOBJDIR}
86 CANONICALOBJDIR:=/usr/obj${.CURDIR}
89 .if defined(SRCTOP) && defined(RELDIR) && \
90 (${CANONICALOBJDIR} == /${RELDIR} || ${.OBJDIR} == /${RELDIR})
91 .error .OBJDIR incorrectly set to /${RELDIR}
94 OBJTOP?= ${.OBJDIR:S,${.CURDIR},,}${SRCTOP}
97 # Warn of unorthodox object directory.
99 # The following directories are tried in order for ${.OBJDIR}:
101 # 1. ${MAKEOBJDIRPREFIX}/`pwd`
108 # If ${.OBJDIR} is constructed using canonical cases 1 or 5, or
109 # case 2 (using MAKEOBJDIR), don't issue a warning. Otherwise,
110 # issue a warning differentiating between cases 6 and (3 or 4).
113 .if !defined(NO_OBJ) && ${.OBJDIR} != ${CANONICALOBJDIR} && \
114 !(defined(MAKEOBJDIRPREFIX) && exists(${CANONICALOBJDIR}/)) && \
115 !(defined(MAKEOBJDIR) && exists(${MAKEOBJDIR}/))
116 .if ${.OBJDIR} == ${.CURDIR}
117 @${ECHO} "Warning: Object directory not changed from original ${.CURDIR}"
118 .elif exists(${.CURDIR}/obj.${MACHINE}/) || exists(${.CURDIR}/obj/)
119 @${ECHO} "Warning: Using ${.OBJDIR} as object directory instead of\
120 canonical ${CANONICALOBJDIR}"
128 @if ! test -d ${CANONICALOBJDIR}/; then \
129 mkdir -p ${CANONICALOBJDIR}; \
130 if ! test -d ${CANONICALOBJDIR}/; then \
131 ${ECHO} "Unable to create ${CANONICALOBJDIR}."; \
134 ${ECHO} "${CANONICALOBJDIR} created for ${.CURDIR}"; \
136 .for dir in ${SRCS:H:O:u} ${DPSRCS:H:O:u}
137 @if ! test -d ${CANONICALOBJDIR}/${dir}/; then \
138 mkdir -p ${CANONICALOBJDIR}/${dir}; \
139 if ! test -d ${CANONICALOBJDIR}/${dir}/; then \
140 ${ECHO} "Unable to create ${CANONICALOBJDIR}/${dir}."; \
143 ${ECHO} "${CANONICALOBJDIR}/${dir} created for ${.CURDIR}"; \
150 @if test -d ${CANONICALOBJDIR}/; then \
151 rm -f ${.CURDIR}/obj; \
152 ln -s ${CANONICALOBJDIR} ${.CURDIR}/obj; \
154 echo "No ${CANONICALOBJDIR} to link to - do a make obj."; \
157 .endif # !defined(NO_OBJ)
160 # where would that obj directory be?
162 .if !target(whereobj)
167 # Same check in bsd.progs.mk
168 .if ${CANONICALOBJDIR} != ${.CURDIR} && exists(${CANONICALOBJDIR}/) && \
169 (${MK_AUTO_OBJ} == "no" || ${.TARGETS:Nclean*:N*clean:Ndestroy*} == "")
171 -rm -rf ${CANONICALOBJDIR}
173 cleanobj: .PHONY clean cleandepend
175 @if [ -L ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi
177 # Tell bmake not to look for generated files via .PATH
178 NOPATH_FILES+= ${CLEANFILES}
179 .if !empty(NOPATH_FILES)
180 .NOPATH: ${NOPATH_FILES}
185 .if defined(CLEANFILES) && !empty(CLEANFILES)
188 .if defined(CLEANDIRS) && !empty(CLEANDIRS)
193 .if ${MK_AUTO_OBJ} == "yes"
198 .include <bsd.subdir.mk>
200 cleandir: .PHONY .WAIT cleanobj
202 .if make(destroy*) && defined(OBJROOT)
203 # this (rm -rf objdir) is much faster and more reliable than cleaning.
205 # just in case we are playing games with these...
209 # destroy almost everything
210 destroy: .PHONY destroy-all
213 # just remove our objdir
214 destroy-arch: .PHONY .NOMETA
215 .if ${_OBJDIR} != ${_CURDIR}
216 cd ${_CURDIR} && rm -rf ${_OBJDIR}
219 .if defined(HOST_OBJTOP)
220 destroy-host: destroy.host
221 destroy.host: .PHONY .NOMETA
222 cd ${_CURDIR} && rm -rf ${HOST_OBJTOP}/${RELDIR:N.}
225 .if make(destroy-all) && ${RELDIR} == "."
226 destroy-all: destroy-stage
229 # remove the stage tree
230 destroy-stage: .PHONY .NOMETA
231 .if defined(STAGE_ROOT)
232 cd ${_CURDIR} && rm -rf ${STAGE_ROOT}
235 # allow parallel destruction
236 _destroy_machine_list = common host ${ALL_MACHINE_LIST}
237 .for m in ${_destroy_machine_list:O:u}
238 destroy-all: destroy.$m
239 .if !target(destroy.$m)
240 destroy.$m: .PHONY .NOMETA
241 .if ${_OBJDIR} != ${_CURDIR}
242 cd ${_CURDIR} && rm -rf ${OBJROOT}$m*/${RELDIR:N.}
249 .endif # !target(__<bsd.obj.mk>__)