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# $Id: links.mk,v 1.6 2014/09/29 17:14:40 sjg Exp $
#
# @(#) Copyright (c) 2005, Simon J. Gerraty
#
# This file is provided in the hope that it will
# be of use. There is absolutely NO WARRANTY.
# Permission to copy, redistribute or otherwise
# use this file is hereby granted provided that
# the above copyright notice and this notice are
# left intact.
#
# Please send copies of changes and bug-fixes to:
# sjg@crufty.net
#
# some platforms need something special
LN?= ln
ECHO?= echo
LINKS?=
SYMLINKS?=
__SYMLINK_SCRIPT= \
${ECHO} "$$t -> $$l"; \
case `'ls' -l $$t 2> /dev/null` in \
*"> $$l") ;; \
*) \
mkdir -p `dirname $$t`; \
rm -f $$t; \
${LN} -s $$l $$t;; \
esac
__LINK_SCRIPT= \
${ECHO} "$$t -> $$l"; \
mkdir -p `dirname $$t`; \
rm -f $$t; \
${LN} $$l $$t
_SYMLINKS_SCRIPT= \
while test $$\# -ge 2; do \
l=$$1; shift; \
t=${DESTDIR}$$1; shift; \
${__SYMLINK_SCRIPT}; \
done; :;
_LINKS_SCRIPT= \
while test $$\# -ge 2; do \
l=${DESTDIR}$$1; shift; \
t=${DESTDIR}$$1; shift; \
${__LINK_SCRIPT}; \
done; :;
_SYMLINKS_USE: .USE
@set ${$@_SYMLINKS:U${SYMLINKS}}; ${_SYMLINKS_SCRIPT}
_LINKS_USE: .USE
@set ${$@_LINKS:U${LINKS}}; ${_LINKS_SCRIPT}
# sometimes we want to ensure DESTDIR is ignored
_BUILD_SYMLINKS_SCRIPT= \
while test $$\# -ge 2; do \
l=$$1; shift; \
t=$$1; shift; \
${__SYMLINK_SCRIPT}; \
done; :;
_BUILD_LINKS_SCRIPT= \
while test $$\# -ge 2; do \
l=$$1; shift; \
t=$$1; shift; \
${__LINK_SCRIPT}; \
done; :;
_BUILD_SYMLINKS_USE: .USE
@set ${$@_SYMLINKS:U${SYMLINKS}}; ${_BUILD_SYMLINKS_SCRIPT}
_BUILD_LINKS_USE: .USE
@set ${$@_LINKS:U${LINKS}}; ${_BUILD_LINKS_SCRIPT}
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