cliquer: use makefile portgroup

math/cliquer/Portfile

@@ -1,10 +1,11 @@
 # -*- coding: utf-8; mode: tcl; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- vim:fenc=utf-8:ft=tcl:et:sw=4:ts=4:sts=4
 
 PortSystem          1.0
+PortGroup           makefile 1.0
 
 name                cliquer
 version             1.21
-revision            0
+revision            1
 categories          math science
 license             GPL-2+
 platforms           darwin
@@ -22,8 +23,6 @@ checksums           rmd160  5c2b8804dff6f3e54701e8ce25fe0c4a282be154 \
                     sha256  ff306d27eda82383c0257065e3ffab028415ac9af73bccfdd9c2405b797ed1f1 \
                     size    100327
 
-use_configure       no
-
 test.run            yes
 test.target         test