Created geonames_process.pl Perl script to download and process geonames.org data

It is *NOT* ready for distribution yet! The script must be finished with
downloading real data, or separate rules must be added to create
(download) dependency files like timeZones.txt, allCountries.zip and
countryInfo.txt.

data/geonames/Makefile.am

@@ -0,0 +1,19 @@
+geodatadir = $(pkgdatadir)
+geodata_DATA = geodata.xml
+
+EXTRA_DIST = geodata.xml
+
+MAINTAINERCLEANFILES = geodata.xml
+
+geodata.xml:
+	$(AM_V_GEN) if test -x "$(PERL)"; then \
+	    if test "x$(have_geonames_perl_modules)" = "xyes" -o "x$(I_HAVE_PERL_MODULES)" = "xyes"; then \
+	        $(PERL) geonames_process.pl; \
+	    else \
+	        echo "XML::Writer and IO::File perl modules are required to process geonames data."; \
+	        echo "configure reported they are not installed. If you are sure they are,"; \
+	        echo "set the I_HAVE_PERL_MODULES environment variable to yes"; \
+	    fi; \
+	else \
+	    echo "perl5 is required to create geodata.xml!"; \
+	fi