Renamed grouplist groupmatch to *.pl to make shebang configurable.

grouptools/GNUmakefile

@@ -0,0 +1,30 @@
+include GNUmakevars
+
+CONFDIR=../../configure
+CONFDIR_exists=$(shell [ -d $(CONFDIR) ] && echo ok)
+
+all: configure grouplist groupmatch
+
+clean:
+	rm grouplist groupmatch
+
+install: \
+	$(BINDIR)/grouplist \
+	$(BINDIR)/groupmatch \
+
+
+%: %.pl customize
+	sh ./customize < $< > $@
+	chmod +x $@
+
+customize: configure
+	sh ./configure
+
+ifeq ($(CONFDIR_exists),ok)
+
+configure: $(CONFDIR)/start $(CONFDIR)/perl $(CONFDIR)/finish
+	cat $^ > $@
+
+endif
+
+include GNUmakerules