pty: Activate the signature wrapper of forkpty.

[gnulib.git] / posix-modules

diff --git a/posix-modules b/posix-modules
index 46de93d..c782957 100755 (executable)
--- a/posix-modules
+++ b/posix-modules
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Copyright (C) 2002-2008, 2010 Free Software Foundation, Inc.
+# Copyright (C) 2002-2008, 2010-2013 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
@@ -26,6 +26,8 @@ func_usage ()
   echo "\
 Usage: posix-modules
 
+Lists the gnulib modules that implement POSIX interfaces.
+
 Report bugs to <bug-gnulib@gnu.org>."
 }
 
@@ -50,18 +52,8 @@ q
     date=`date -d "$date" -u +"%Y-%m-%d %H:%M:%S"`
     version=' '`cd "$gnulib_dir" && ./build-aux/git-version-gen /dev/null | sed -e 's/-dirty/-modified/'`
   else
-    if test -d "$gnulib_dir"/CVS \
-       && (cvs --version) >/dev/null 2>/dev/null; then
-      # gnulib checked out from CVS.
-      sed_extract_first_date='/^date: /{
-s/^date: \([0-9][0-9][0-9][0-9]\).\([0-9][0-9]\).\([0-9][0-9]\) \([0-9][0-9]:[0-9][0-9]:[0-9][0-9]\).*/\1-\2-\3 \4/p
-q
-}'
-      date=`cd "$gnulib_dir" && cvs log -N ChangeLog 2>/dev/null | sed -n -e "$sed_extract_first_date"`
-    else
-      # gnulib copy without versioning information.
-      date=`sed -e 's/ .*//;q' "$gnulib_dir"/ChangeLog`
-    fi
+    # gnulib copy without versioning information.
+    date=`sed -e 's/ .*//;q' "$gnulib_dir"/ChangeLog`
     version=
   fi
   year=`"$gnulib_dir"/build-aux/mdate-sh "$self_abspathname" | sed 's,^.* ,,'`
@@ -115,15 +107,14 @@ func_gnulib_dir ()
       # explicit canonicalization command when $PATH contains no empty fields.
       self_abspathname=
       if test "${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
       if test "$PATH_SEPARATOR" = ";"; then
         # On Windows, programs are searched in "." before $PATH.