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 ${CLEANDIRS} and all contents. 33# 34# cleandir: 35# remove the build directory (and all its contents) created by obj 36# 37# obj: 38# create build directory. 39# 40 41.if !target(__<bsd.obj.mk>__) 42__<bsd.obj.mk>__: 43.include <bsd.own.mk> 44 45.if defined(MAKEOBJDIRPREFIX) 46CANONICALOBJDIR:=${MAKEOBJDIRPREFIX}${.CURDIR} 47.elif defined(MAKEOBJDIR) && ${MAKEOBJDIR:M/*} != "" 48CANONICALOBJDIR:=${MAKEOBJDIR} 49.else 50CANONICALOBJDIR:=/usr/obj${.CURDIR} 51.endif 52 53# 54# Warn of unorthodox object directory. 55# 56# The following directories are tried in order for ${.OBJDIR}: 57# 58# 1. ${MAKEOBJDIRPREFIX}/`pwd` 59# 2. ${MAKEOBJDIR} 60# 3. obj.${MACHINE} 61# 4. obj 62# 5. /usr/obj/`pwd` 63# 6. ${.CURDIR} 64# 65# If ${.OBJDIR} is constructed using canonical cases 1 or 5, or 66# case 2 (using MAKEOBJDIR), don't issue a warning. Otherwise, 67# issue a warning differentiating between cases 6 and (3 or 4). 68# 69objwarn: 70.if !defined(NO_OBJ) && ${.OBJDIR} != ${CANONICALOBJDIR} && \ 71 !(defined(MAKEOBJDIRPREFIX) && exists(${CANONICALOBJDIR}/)) && \ 72 !(defined(MAKEOBJDIR) && exists(${MAKEOBJDIR}/)) 73.if ${.OBJDIR} == ${.CURDIR} 74 @${ECHO} "Warning: Object directory not changed from original ${.CURDIR}" 75.elif exists(${.CURDIR}/obj.${MACHINE}/) || exists(${.CURDIR}/obj/) 76 @${ECHO} "Warning: Using ${.OBJDIR} as object directory instead of\ 77 canonical ${CANONICALOBJDIR}" 78.endif 79.endif 80 81.if !defined(NO_OBJ) 82.if !target(obj) 83obj: .PHONY 84 @if ! test -d ${CANONICALOBJDIR}/; then \ 85 mkdir -p ${CANONICALOBJDIR}; \ 86 if ! test -d ${CANONICALOBJDIR}/; then \ 87 ${ECHO} "Unable to create ${CANONICALOBJDIR}."; \ 88 exit 1; \ 89 fi; \ 90 ${ECHO} "${CANONICALOBJDIR} created for ${.CURDIR}"; \ 91 fi 92.for dir in ${SRCS:H:O:u} 93 @if ! test -d ${CANONICALOBJDIR}/${dir}/; then \ 94 mkdir -p ${CANONICALOBJDIR}/${dir}; \ 95 if ! test -d ${CANONICALOBJDIR}/${dir}/; then \ 96 ${ECHO} "Unable to create ${CANONICALOBJDIR}/${dir}."; \ 97 exit 1; \ 98 fi; \ 99 ${ECHO} "${CANONICALOBJDIR}/${dir} created for ${.CURDIR}"; \ 100 fi 101.endfor 102.endif 103 104.if !target(objlink) 105objlink: 106 @if test -d ${CANONICALOBJDIR}/; then \ 107 rm -f ${.CURDIR}/obj; \ 108 ln -s ${CANONICALOBJDIR} ${.CURDIR}/obj; \ 109 else \ 110 echo "No ${CANONICALOBJDIR} to link to - do a make obj."; \ 111 fi 112.endif 113.endif # !defined(NO_OBJ) 114 115# 116# where would that obj directory be? 117# 118.if !target(whereobj) 119whereobj: 120 @echo ${.OBJDIR} 121.endif 122 123.if ${CANONICALOBJDIR} != ${.CURDIR} && exists(${CANONICALOBJDIR}/) 124cleanobj: 125 @-rm -rf ${CANONICALOBJDIR} 126.else 127cleanobj: clean cleandepend 128.endif 129 @if [ -L ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi 130 131# Tell bmake not to look for generated files via .PATH 132NOPATH_FILES+= ${CLEANFILES} 133.if !empty(NOPATH_FILES) 134.NOPATH: ${NOPATH_FILES} 135.endif 136 137.if !target(clean) 138clean: 139.if defined(CLEANFILES) && !empty(CLEANFILES) 140 rm -f ${CLEANFILES} 141.endif 142.if defined(CLEANDIRS) && !empty(CLEANDIRS) 143 -rm -rf ${CLEANDIRS} 144.endif 145.endif 146 147cleandir: cleanobj 148 149.include <bsd.subdir.mk> 150 151.endif # !target(__<bsd.obj.mk>__) 152