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}${.CURDIR} 47.else 48CANONICALOBJDIR:=/usr/obj${.CURDIR} 49.endif 50 51# 52# Warn of unorthodox object directory. 53# 54# The following directories are tried in order for ${.OBJDIR}: 55# 56# 1. ${MAKEOBJDIRPREFIX}/`pwd` 57# 2. ${MAKEOBJDIR} 58# 3. obj.${MACHINE} 59# 4. obj 60# 5. /usr/obj/`pwd` 61# 6. ${.CURDIR} 62# 63# If ${.OBJDIR} is constructed using canonical cases 1 or 5, or 64# case 2 (using MAKEOBJDIR), don't issue a warning. Otherwise, 65# issue a warning differentiating between cases 6 and (3 or 4). 66# 67objwarn: 68.if !defined(NO_OBJ) && ${.OBJDIR} != ${CANONICALOBJDIR} && \ 69 !(defined(MAKEOBJDIRPREFIX) && exists(${CANONICALOBJDIR}/)) && \ 70 !(defined(MAKEOBJDIR) && exists(${MAKEOBJDIR}/)) 71.if ${.OBJDIR} == ${.CURDIR} 72 @${ECHO} "Warning: Object directory not changed from original ${.CURDIR}" 73.elif exists(${.CURDIR}/obj.${MACHINE}/) || exists(${.CURDIR}/obj/) 74 @${ECHO} "Warning: Using ${.OBJDIR} as object directory instead of\ 75 canonical ${CANONICALOBJDIR}" 76.endif 77.endif 78 79.if !defined(NO_OBJ) 80.if !target(obj) 81obj: .PHONY 82 @if ! test -d ${CANONICALOBJDIR}/; then \ 83 mkdir -p ${CANONICALOBJDIR}; \ 84 if ! test -d ${CANONICALOBJDIR}/; then \ 85 ${ECHO} "Unable to create ${CANONICALOBJDIR}."; \ 86 exit 1; \ 87 fi; \ 88 ${ECHO} "${CANONICALOBJDIR} created for ${.CURDIR}"; \ 89 fi 90.endif 91 92.if !target(objlink) 93objlink: 94 @if test -d ${CANONICALOBJDIR}/; then \ 95 rm -f ${.CURDIR}/obj; \ 96 ln -s ${CANONICALOBJDIR} ${.CURDIR}/obj; \ 97 else \ 98 echo "No ${CANONICALOBJDIR} to link to - do a make obj."; \ 99 fi 100.endif 101.endif # !defined(NO_OBJ) 102 103# 104# where would that obj directory be? 105# 106.if !target(whereobj) 107whereobj: 108 @echo ${.OBJDIR} 109.endif 110 111.if ${CANONICALOBJDIR} != ${.CURDIR} && exists(${CANONICALOBJDIR}/) 112cleanobj: 113 @rm -rf ${CANONICALOBJDIR} 114.else 115cleanobj: clean cleandepend 116.endif 117 @if [ -L ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi 118 119.if !target(clean) 120clean: 121.if defined(CLEANFILES) && !empty(CLEANFILES) 122 rm -f ${CLEANFILES} 123.endif 124.if defined(CLEANDIRS) && !empty(CLEANDIRS) 125 rm -rf ${CLEANDIRS} 126.endif 127.endif 128 129cleandir: cleanobj 130 131.include <bsd.subdir.mk> 132 133.endif # !target(__<bsd.obj.mk>__) 134