rrdtool: fix to remove the installed rrd.a and rrd.la from lua's cmod dir

Note:

autofoo magic installs an rrd.a and rrd.la file into lua's cmod directory
which is completely nonsense.

database/rrdtool/rrdtool.conf

@@ -33,3 +33,25 @@ fi
 
 # ruby support is broken right now (2007-05-13)
 var_append extraconfopt ' ' "--disable-ruby"
+
+# lua binding support
+
+# fix to remove the installed rrd.a and rrd.la from lua's cmod dir
+rrdtool_lua_installfix() {
+	egrep '.*\/rrd\.(a|la)$' $builddir/flist.txt |
+	while read fn ; do
+		if [ -e $root/$fn ]; then
+			# remove the file
+			rm -f $root/$fn
+			# fix flist.txt
+			local pattern=$( echo $fn | sed "s:\/:\\\/:g" )
+			sed '/$pattern/d' $builddir/flist.txt > $builddir/flist.txt.fixed
+		fi
+	done
+	# replace the old flist.txt with the fixed one
+	[ -e $builddir/flist.txt.fixed ] && mv $builddir/flist.txt{.fixed,}
+}
+
+if pkginstalled -f lua; then
+	hook_add postflist 9 'rrdtool_lua_installfix'
+fi