pty: Activate the signature wrapper of forkpty.

[gnulib.git] / build-aux / relocatable.sh.in

diff --git a/build-aux/relocatable.sh.in b/build-aux/relocatable.sh.in
index 62fe608..898f359 100644 (file)
--- a/build-aux/relocatable.sh.in
+++ b/build-aux/relocatable.sh.in
@@ -6,7 +6,7 @@
 # package by hand; see doc/relocatable-maint.texi (in Gnulib) for
 # details.
 #
-# Copyright (C) 2003, 2005-2007 Free Software Foundation, Inc.
+# Copyright (C) 2003-2013 Free Software Foundation, Inc.
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -62,15 +62,14 @@ func_find_curr_installdir ()
     */* | *\\*) ;;
     *) # Need to look in the PATH.
       if test "${PATH_SEPARATOR+set}" != set; then
-        func_tmpdir
-        { echo "#! /bin/sh"; echo "exit 0"; } > "$tmp"/conf.sh
-        chmod +x "$tmp"/conf.sh
-        if (PATH="/nonexistent;$tmp"; conf.sh) >/dev/null 2>&1; then
-          PATH_SEPARATOR=';'
-        else
-          PATH_SEPARATOR=:
-        fi
-        rm -rf "$tmp"
+        # Determine PATH_SEPARATOR by trying to find /bin/sh in a PATH which
+        # contains only /bin. Note that ksh looks also at the FPATH variable,
+        # so we have to set that as well for the test.
+        PATH_SEPARATOR=:
+        (PATH='/bin;/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
+          && { (PATH='/bin:/bin'; FPATH=$PATH; sh -c :) >/dev/null 2>&1 \
+                 || PATH_SEPARATOR=';'
+             }
       fi
       save_IFS="$IFS"; IFS="$PATH_SEPARATOR"
       for dir in $PATH; do