1# $FreeBSD$ 2# 3# The include file <bsd.obj.mk> handles creating the 'obj' directory 4# and cleaning up object files, etc. 5# 6# +++ variables +++ 7# 8# CLEANDIRS Additional directories to remove for the clean target. 9# 10# CLEANFILES Additional files to remove for the clean target. 11# 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! 16# 17# E.g. use `env MAKEOBJDIR=temp-obj make' 18# 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! 23# 24# E.g. use `env MAKEOBJDIRPREFIX=/somewhere/obj make' 25# 26# NO_OBJ Do not create object directories. This should not be set 27# if anything is built. 28# 29# +++ targets +++ 30# 31# clean: 32# remove ${CLEANFILES}; remove ${CLEANDIRS} and all contents. 33# 34# cleandir: 35# remove the build directory (and all its contents) created by obj 36# 37# obj: 38# create build directory. 39# 40 41.if !target(__<bsd.obj.mk>__) 42__<bsd.obj.mk>__: 43.include <bsd.own.mk> 44 45.if ${MK_AUTO_OBJ} == "yes" 46# it is done by now 47objwarn: 48obj: 49CANONICALOBJDIR= ${.OBJDIR} 50.if defined(NO_OBJ) 51# but this makefile does not want it! 52.OBJDIR: ${.CURDIR} 53.endif 54.elif defined(MAKEOBJDIRPREFIX) 55CANONICALOBJDIR:=${MAKEOBJDIRPREFIX}${.CURDIR} 56.elif defined(MAKEOBJDIR) && ${MAKEOBJDIR:M/*} != "" 57CANONICALOBJDIR:=${MAKEOBJDIR} 58.else 59CANONICALOBJDIR:=/usr/obj${.CURDIR} 60.endif 61 62# 63# Warn of unorthodox object directory. 64# 65# The following directories are tried in order for ${.OBJDIR}: 66# 67# 1. ${MAKEOBJDIRPREFIX}/`pwd` 68# 2. ${MAKEOBJDIR} 69# 3. obj.${MACHINE} 70# 4. obj 71# 5. /usr/obj/`pwd` 72# 6. ${.CURDIR} 73# 74# If ${.OBJDIR} is constructed using canonical cases 1 or 5, or 75# case 2 (using MAKEOBJDIR), don't issue a warning. Otherwise, 76# issue a warning differentiating between cases 6 and (3 or 4). 77# 78objwarn: 79.if !defined(NO_OBJ) && ${.OBJDIR} != ${CANONICALOBJDIR} && \ 80 !(defined(MAKEOBJDIRPREFIX) && exists(${CANONICALOBJDIR}/)) && \ 81 !(defined(MAKEOBJDIR) && exists(${MAKEOBJDIR}/)) 82.if ${.OBJDIR} == ${.CURDIR} 83 @${ECHO} "Warning: Object directory not changed from original ${.CURDIR}" 84.elif exists(${.CURDIR}/obj.${MACHINE}/) || exists(${.CURDIR}/obj/) 85 @${ECHO} "Warning: Using ${.OBJDIR} as object directory instead of\ 86 canonical ${CANONICALOBJDIR}" 87.endif 88.endif 89 90.if !defined(NO_OBJ) 91.if !target(obj) 92obj: .PHONY 93 @if ! test -d ${CANONICALOBJDIR}/; then \ 94 mkdir -p ${CANONICALOBJDIR}; \ 95 if ! test -d ${CANONICALOBJDIR}/; then \ 96 ${ECHO} "Unable to create ${CANONICALOBJDIR}."; \ 97 exit 1; \ 98 fi; \ 99 ${ECHO} "${CANONICALOBJDIR} created for ${.CURDIR}"; \ 100 fi 101.for dir in ${SRCS:H:O:u} 102 @if ! test -d ${CANONICALOBJDIR}/${dir}/; then \ 103 mkdir -p ${CANONICALOBJDIR}/${dir}; \ 104 if ! test -d ${CANONICALOBJDIR}/${dir}/; then \ 105 ${ECHO} "Unable to create ${CANONICALOBJDIR}/${dir}."; \ 106 exit 1; \ 107 fi; \ 108 ${ECHO} "${CANONICALOBJDIR}/${dir} created for ${.CURDIR}"; \ 109 fi 110.endfor 111.endif 112 113.if !target(objlink) 114objlink: 115 @if test -d ${CANONICALOBJDIR}/; then \ 116 rm -f ${.CURDIR}/obj; \ 117 ln -s ${CANONICALOBJDIR} ${.CURDIR}/obj; \ 118 else \ 119 echo "No ${CANONICALOBJDIR} to link to - do a make obj."; \ 120 fi 121.endif 122.endif # !defined(NO_OBJ) 123 124# 125# where would that obj directory be? 126# 127.if !target(whereobj) 128whereobj: 129 @echo ${.OBJDIR} 130.endif 131 132.if ${CANONICALOBJDIR} != ${.CURDIR} && exists(${CANONICALOBJDIR}/) 133cleanobj: 134 @-rm -rf ${CANONICALOBJDIR} 135.else 136cleanobj: clean cleandepend 137.endif 138 @if [ -L ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi 139 140# Tell bmake not to look for generated files via .PATH 141NOPATH_FILES+= ${CLEANFILES} 142.if !empty(NOPATH_FILES) 143.NOPATH: ${NOPATH_FILES} 144.endif 145 146.if !target(clean) 147clean: 148.if defined(CLEANFILES) && !empty(CLEANFILES) 149 rm -f ${CLEANFILES} 150.endif 151.if defined(CLEANDIRS) && !empty(CLEANDIRS) 152 -rm -rf ${CLEANDIRS} 153.endif 154.endif 155 156cleandir: cleanobj 157 158.include <bsd.subdir.mk> 159 160.if make(destroy*) && defined(OBJROOT) 161# this (rm -rf objdir) is much faster and more reliable than cleaning. 162 163# just in case we are playing games with these... 164_OBJDIR?= ${.OBJDIR} 165_CURDIR?= ${.CURDIR} 166 167# destroy almost everything 168destroy: destroy-all 169destroy-all: 170 171# just remove our objdir 172destroy-arch: .NOMETA 173.if ${_OBJDIR} != ${_CURDIR} 174 cd ${_CURDIR} && rm -rf ${_OBJDIR} 175.endif 176 177.if defined(HOST_OBJTOP) 178destroy-host: destroy.host 179destroy.host: .NOMETA 180 cd ${_CURDIR} && rm -rf ${HOST_OBJTOP}/${RELDIR:N.} 181.endif 182 183.if make(destroy-all) && ${RELDIR} == "." 184destroy-all: destroy-stage 185.endif 186 187# remove the stage tree 188destroy-stage: .NOMETA 189.if defined(STAGE_ROOT) 190 cd ${_CURDIR} && rm -rf ${STAGE_ROOT} 191.endif 192 193# allow parallel destruction 194_destroy_machine_list = common host ${ALL_MACHINE_LIST} 195.for m in ${_destroy_machine_list:O:u} 196destroy-all: destroy.$m 197.if !target(destroy.$m) 198destroy.$m: .NOMETA 199.if ${_OBJDIR} != ${_CURDIR} 200 cd ${_CURDIR} && rm -rf ${OBJROOT}$m*/${RELDIR:N.} 201.endif 202.endif 203.endfor 204 205.endif 206 207.endif # !target(__<bsd.obj.mk>__) 208