Kill gperf vestiges

Generate paths.sh by configure, do away with paths.mk.

Signed-off-by: Alexey Neyman <stilor@att.net>

bootstrap

@@ -740,6 +740,7 @@ gen_selection menu comp_libs "Companion libraries"
 
 msg "*** Gathering the list of data files to install"
 {
+    declare -A seen_files
     echo -n "verbatim_data ="
     find config contrib packages samples scripts -type f | LANG=C sort | while read f; do
         case "${f}" in
@@ -754,8 +755,13 @@ msg "*** Gathering the list of data files to install"
                 f=config/configure.in
                 ;;
         esac
+        # Checks & substitutions above may result in duplicate files
+        if [ -n "${seen_files[${f}]}" ]; then
+            continue
+        fi
         echo " \\"
         echo -n "	${f}"
+        seen_files[${f}]=y
     done
 } > verbatim-data.mk