Re: gnulib-tool nits

[Ralf Wildenhues]

Hello Bruno,

* Bruno Haible wrote on Sun, Jul 01, 2007 at 12:43:33PM CEST:
> 
> Yes. Your findings and my and Eric's comments [1][2][3] are giving enough
> hints how a portable and efficient solution can look like, I think?

OK thanks.  I installed this.

Cheers,
Ralf

2007-07-01  Bruno Haible <address@hidden>
            Eric Blake  <address@hidden>
            Ralf Wildenhues  <address@hidden>

        * gnulib-tool (self_abspathname): Fix algorithm to cope with
        empty components in $PATH, denoting '.'.

Index: gnulib-tool
===================================================================
RCS file: /cvsroot/gnulib/gnulib/gnulib-tool,v
retrieving revision 1.242
diff -u -r1.242 gnulib-tool
--- gnulib-tool 1 Jul 2007 07:55:35 -0000       1.242
+++ gnulib-tool 1 Jul 2007 10:57:21 -0000
@@ -888,9 +888,15 @@
   */*) self_abspathname=`pwd`/"$0" ;;
   *)
     self_abspathname=
+    pathx=$PATH
+    case :$PATH: in
+      *::*)
+        pathx=`echo ":$PATH:" | sed -e 's/:::*/:.:/g' -e 's/^://' -e 's/:\$//'`
+       ;;
+    esac
     save_IFS=$IFS
     IFS=:
-    for d in $PATH; do
+    for d in $pathx; do
       IFS=$save_IFS
       test -z "$d" && d=.
       if test -x "$d/$0" && test ! -d "$d/$0"; then