NetBSD/share/mk/bsd.obj.mk
sommerfeld 26d13bd6c3 When building obj symlinks, if there's already a link pointing at the right target,
do nothing rather than deleting and recreating an identical link.
1999-12-04 02:44:07 +00:00

71 lines
1.4 KiB
Makefile

# $NetBSD: bsd.obj.mk,v 1.22 1999/12/04 02:44:07 sommerfeld Exp $
.if !target(__initialized_obj__)
__initialized_obj__:
.include <bsd.own.mk>
.endif
.if ${MKOBJ} == "no"
obj:
.else
.if defined(MAKEOBJDIR)
__objdir= ${MAKEOBJDIR}
.elif defined(OBJMACHINE)
__objdir= obj.${MACHINE}
.else
__objdir= obj
.endif
.if defined(USR_OBJMACHINE)
__usrobjdir= ${BSDOBJDIR}.${MACHINE}
__usrobjdirpf=
.else
__usrobjdir= ${BSDOBJDIR}
.if defined(OBJMACHINE)
__usrobjdirpf= .${MACHINE}
.else
__usrobjdirpf=
.endif
.endif
PAWD?= /bin/pwd
obj:
@cd ${.CURDIR}; \
here=`${PAWD}`; subdir=$${here#${BSDSRCDIR}/}; \
if test $$here != $$subdir ; then \
dest=${__usrobjdir}/$$subdir${__usrobjdirpf} ; \
if [ -L $$here/${__objdir} ]; then \
curtarg=`ls -ld $$here/${__objdir} | awk '{print $$NF}'` ; \
if [ "$$curtarg" = "$$dest" ]; then \
: ; \
else \
echo "$$here/${__objdir} -> $$dest"; \
rm -rf ${__objdir}; \
ln -s $$dest ${__objdir}; \
fi; \
else \
echo "$$here/${__objdir} -> $$dest"; \
rm -rf ${__objdir}; \
ln -s $$dest ${__objdir}; \
fi; \
if test -d ${__usrobjdir} -a ! -d $$dest; then \
mkdir -p $$dest; \
else \
true; \
fi; \
else \
true ; \
dest=$$here/${__objdir} ; \
if test ! -d ${__objdir} || test -L ${__objdir}; then \
echo "making $$dest" ; \
rm -f ${__objdir}; \
mkdir $$dest; \
fi ; \
fi;
.endif
print-objdir:
@echo ${.OBJDIR}