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.if defined(.PARSEDIR) && !defined(NO_OBJ) && !defined(NO_AUTO_OBJ) 54.if ${MK_AUTO_OBJ} == "yes" 55__objdir?= ${CANONICALOBJDIR} 56# this is what auto.obj.mk wants to see 57MKOBJDIRS=auto 58.include "auto.obj.mk" 59.endif 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.endif 102 103.if !target(objlink) 104objlink: 105 @if test -d ${CANONICALOBJDIR}/; then \ 106 rm -f ${.CURDIR}/obj; \ 107 ln -s ${CANONICALOBJDIR} ${.CURDIR}/obj; \ 108 else \ 109 echo "No ${CANONICALOBJDIR} to link to - do a make obj."; \ 110 fi 111.endif 112.endif # !defined(NO_OBJ) 113 114# 115# where would that obj directory be? 116# 117.if !target(whereobj) 118whereobj: 119 @echo ${.OBJDIR} 120.endif 121 122.if ${CANONICALOBJDIR} != ${.CURDIR} && exists(${CANONICALOBJDIR}/) 123cleanobj: 124 @rm -rf ${CANONICALOBJDIR} 125.else 126cleanobj: clean cleandepend 127.endif 128 @if [ -L ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi 129 130# Tell bmake not to look for generated files via .PATH 131.if !empty(CLEANFILES) 132.NOPATH: ${CLEANFILES} 133.endif 134 135.if !target(clean) 136clean: 137.if defined(CLEANFILES) && !empty(CLEANFILES) 138 rm -f ${CLEANFILES} 139.endif 140.if defined(CLEANDIRS) && !empty(CLEANDIRS) 141 rm -rf ${CLEANDIRS} 142.endif 143.endif 144 145cleandir: cleanobj 146 147.include <bsd.subdir.mk> 148 149.endif # !target(__<bsd.obj.mk>__) 150