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# $FreeBSD$
#
# The include file <bsd.obj.mk> handles creating the 'obj' directory
# and cleaning up object files, etc.
#
# Under construction: it also contains the _SUBDIR target (which is used
# by most `mk' files to recurse into subdirectories) and defaults for the
# cleandepend, depend and tags targets. It may eventually be merged with
# with bsd.subdir.mk.
#
# +++ variables +++
#
# CLEANDIRS Additional directories to remove for the clean target.
#
# CLEANFILES Additional files to remove for the clean target.
#
# MAKEOBJDIR A pathname for the directory where the targets
# are built. Note: MAKEOBJDIR is an *enviroment* variable
# and works properly only if set as an enviroment variable,
# not as a global or command line variable!
#
# E.g. use `env MAKEOBJDIR=temp-obj make'
#
# MAKEOBJDIRPREFIX Specifies somewhere other than /usr/obj to root the object
# tree. Note: MAKEOBJDIRPREFIX is an *enviroment* variable
# and works properly only if set as an enviroment variable,
# not as a global or command line variable!
#
# E.g. use `env MAKEOBJDIRPREFIX=/somewhere/obj make'
#
# NOOBJ Do not create object directories. This should not be set
# if anything is built.
#
# +++ targets +++
#
# clean:
# remove ${CLEANFILES}; remove ${CLEANDIRS} and all contents.
#
# cleandir:
# remove the build directory (and all its contents) created by obj
#
# obj:
# create build directory.
#
.if defined(MAKEOBJDIRPREFIX)
CANONICALOBJDIR:=${MAKEOBJDIRPREFIX}${.CURDIR}
.else
CANONICALOBJDIR:=/usr/obj${.CURDIR}
.endif
#
# Warn of unorthodox object directory.
#
# The following directories are tried in order for ${.OBJDIR}:
#
# 1. ${MAKEOBJDIRPREFIX}/`pwd`
# 2. ${MAKEOBJDIR}
# 3. obj.${MACHINE}
# 4. obj
# 5. /usr/obj/`pwd`
# 6. ${.CURDIR}
#
# If ${.OBJDIR} is constructed using canonical cases 1 or 5, or
# case 2 (using MAKEOBJDIR), don't issue a warning. Otherwise,
# issue a warning differentiating between cases 6 and (3 or 4).
#
objwarn:
.if !defined(NOOBJ) && ${.OBJDIR} != ${CANONICALOBJDIR} && \
!(defined(MAKEOBJDIRPREFIX) && exists(${CANONICALOBJDIR}/)) && \
!(defined(MAKEOBJDIR) && exists(${MAKEOBJDIR}/))
.if ${.OBJDIR} == ${.CURDIR}
@${ECHO} "Warning: Object directory not changed from original ${.CURDIR}"
.elif exists(${.CURDIR}/obj.${MACHINE}/) || exists(${.CURDIR}/obj/)
@${ECHO} "Warning: Using ${.OBJDIR} as object directory instead of\
canonical ${CANONICALOBJDIR}"
.endif
.endif
.if !target(obj)
.if defined(NOOBJ)
obj:
.else
obj: _SUBDIR
@if ! test -d ${CANONICALOBJDIR}/; then \
mkdir -p ${CANONICALOBJDIR}; \
if ! test -d ${CANONICALOBJDIR}/; then \
${ECHO} "Unable to create ${CANONICALOBJDIR}."; \
exit 1; \
fi; \
${ECHO} "${CANONICALOBJDIR} created for ${.CURDIR}"; \
fi
.endif
.endif
.if !target(objlink)
objlink: _SUBDIR
@if test -d ${CANONICALOBJDIR}/; then \
rm -f ${.CURDIR}/obj; \
ln -s ${CANONICALOBJDIR} ${.CURDIR}/obj; \
else \
echo "No ${CANONICALOBJDIR} to link to - do a make obj."; \
fi
.endif
#
# where would that obj directory be?
#
.if !target(whereobj)
whereobj:
@echo ${.OBJDIR}
.endif
cleanobj:
.if ${CANONICALOBJDIR} != ${.CURDIR} && exists(${CANONICALOBJDIR}/)
@rm -rf ${CANONICALOBJDIR}
.else
@cd ${.CURDIR} && ${MAKE} clean cleandepend
.endif
@if [ -h ${.CURDIR}/obj ]; then rm -f ${.CURDIR}/obj; fi
.if !target(clean)
clean: _SUBDIR
.if defined(CLEANFILES) && !empty(CLEANFILES)
rm -f ${CLEANFILES}
.endif
.if defined(CLEANDIRS) && !empty(CLEANDIRS)
rm -rf ${CLEANDIRS}
.endif
.endif
.if !target(checkdpadd)
checkdpadd: _SUBDIR
.if (defined(DPADD) || defined(LDADD))
checkdpadd:
.if ${OBJFORMAT} != aout
@ldadd=`echo \`for lib in ${DPADD} ; do \
echo $$lib | sed 's;^/usr/lib/lib\(.*\)\.a;-l\1;' ; \
done \`` ; \
ldadd1=`echo ${LDADD}` ; \
if [ "$$ldadd" != "$$ldadd1" ] ; then \
echo ${.CURDIR} ; \
echo "DPADD -> $$ldadd" ; \
echo "LDADD -> $$ldadd1" ; \
fi
.else
@dpadd=`echo \`ld -Bstatic -f ${LDDESTDIR} ${LDADD}\`` ; \
if [ "$$dpadd" != "${DPADD}" ] ; then \
echo ${.CURDIR} ; \
echo "LDADD -> $$dpadd" ; \
echo "DPADD = ${DPADD}" ; \
fi
.endif
.endif
.endif
cleandir: cleanobj _SUBDIR
.for __target in cleandepend depend tags
.if !target(${__target})
${__target}: _SUBDIR
.endif
.endfor
_SUBDIR: .USE
.if defined(SUBDIR) && !empty(SUBDIR)
@for entry in ${SUBDIR}; do \
(${ECHODIR} "===> ${DIRPRFX}$$entry"; \
if test -d ${.CURDIR}/$${entry}.${MACHINE_ARCH}; then \
cd ${.CURDIR}/$${entry}.${MACHINE_ARCH}; \
else \
cd ${.CURDIR}/$${entry}; \
fi; \
${MAKE} ${.TARGET:S/realinstall/install/:S/.depend/depend/} DIRPRFX=${DIRPRFX}$$entry/); \
done
.endif
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