PROVIDERS=      barnet    

SIP_CFG=        ${PROVIDERS:S/$/-sip.cfg/}
SIP_XML=        ${PROVIDERS:S/$/-sip.xml/}

.SUFFIXES=  .xml .cfg

all:    ${SIP_CFG}

clean:
        -rm ${SIP_CFG} ${SIP_XML}

.xml.cfg:
        echo ${.IMPSRC} ${.TARGET}
        cp ${.IMPSRC} ${.TARGET}
#barnet-sip.cfg: barnet-sip.xml
#       echo $< $@
#       cp barnet-sip.xml barnet-sip.cfg

barnet-sip.xml: global-sip.xml barnet-sip.m4
        bin/merge-cfg.pl global-sip.xml barnet-sip.m4 barnet-sip.xml


[/home/ftp/polycom] root@k7>make barnet-sip.xml
bin/merge-cfg.pl global-sip.xml barnet-sip.m4 barnet-sip.xml
10 of 10 merges done.
[/home/ftp/polycom] root@k7>make barnet-sip.cfg
make: don't know how to make barnet-sip.cfg. Stop