# $Id: modmisc.mk,v 1.1.1.1 2014/08/30 18:57:18 sjg Exp $ # # miscellaneous modifier tests # do not put any dirs in this list which exist on some # but not all target systems - an exists() check is below. path=:/bin:/tmp::/:.:/no/such/dir:. # strip cwd from path. MOD_NODOT=S/:/ /g:N.:ts: # and decorate, note that $'s need to be doubled. Also note that # the modifier_variable can be used with other modifiers. MOD_NODOTX=S/:/ /g:N.:@d@'$$d'@ # another mod - pretend it is more interesting MOD_HOMES=S,/home/,/homes/, MOD_OPT=@d@$${exists($$d):?$$d:$${d:S,/usr,/opt,}}@ MOD_SEP=S,:, ,g all: modvar modvarloop modsysv modsysv: @echo "The answer is ${libfoo.a:L:libfoo.a=42}" modvar: @echo "path='${path}'" @echo "path='${path:${MOD_NODOT}}'" @echo "path='${path:S,home,homes,:${MOD_NODOT}}'" @echo "path=${path:${MOD_NODOTX}:ts:}" @echo "path=${path:${MOD_HOMES}:${MOD_NODOTX}:ts:}" .for d in ${path:${MOD_SEP}:N.} /usr/xbin path_$d?= ${d:${MOD_OPT}:${MOD_HOMES}}/ paths+= ${d:${MOD_OPT}:${MOD_HOMES}} .endfor modvarloop: @echo "path_/usr/xbin=${path_/usr/xbin}" @echo "paths=${paths}" @echo "PATHS=${paths:tu}"