[PATCH] build: update gnulib to latest, and bootstrap

[Jim Meyering]

FYI, I've just pushed this:

>From 9c6c3ea79267c71f9637bdad3f20729cecf82649 Mon Sep 17 00:00:00 2001
From: Jim Meyering <address@hidden>
Date: Sun, 9 Jun 2013 13:37:48 -0700
Subject: [PATCH] build: update gnulib to latest, and bootstrap

---
 bootstrap | 80 ++++++++++++++++++++++++++++++++++-----------------------------
 gnulib    |  2 +-
 2 files changed, 44 insertions(+), 38 deletions(-)

diff --git a/bootstrap b/bootstrap
index 48181c9..0cbea66 100755
--- a/bootstrap
+++ b/bootstrap
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Print a version string.
-scriptversion=2012-07-19.14; # UTC
+scriptversion=2013-05-08.20; # UTC

 # Bootstrap this package from checked-out sources.

@@ -140,20 +140,21 @@ po_download_command_format2=\
 "wget --mirror -nd -q -np -A.po -P '%s' \
  http://translationproject.org/latest/%s/";

+# Prefer a non-empty tarname (4th argument of AC_INIT if given), else
+# fall back to the package name (1st argument with munging)
 extract_package_name='
-  /^AC_INIT(/{
-     /.*,.*,.*, */{
-       s///
-       s/[][]//g
-       s/)$//
+  /^AC_INIT(\[*/{
+     s///
+     /^[^,]*,[^,]*,[^,]*,[ []*\([^][ ,)]\)/{
+       s//\1/
+       s/[],)].*//
        p
        q
      }
-     s/AC_INIT(\[*//
-     s/]*,.*//
+     s/[],)].*//
      s/^GNU //
      y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/
-     s/[^A-Za-z0-9_]/-/g
+     s/[^abcdefghijklmnopqrstuvwxyz0123456789_]/-/g
      p
   }
 '
@@ -306,34 +307,34 @@ if test -n "$checkout_only_file" && test ! -r 
"$checkout_only_file"; then
   die "Bootstrapping from a non-checked-out distribution is risky."
 fi

-# Ensure that lines starting with ! sort last, per gitignore conventions
-# for whitelisting exceptions after a more generic blacklist pattern.
-sort_patterns() {
-  sort -u "$@" | sed '/^!/ {
-    H
-    d
-  }
-  $ {
-    P
-    x
-    s/^\n//
-  }' | sed '/^$/d'
+# Strip blank and comment lines to leave significant entries.
+gitignore_entries() {
+  sed '/^#/d; /^$/d' "$@"
 }

-# If $STR is not already on a line by itself in $FILE, insert it,
-# sorting the new contents of the file and replacing $FILE with the result.
-insert_sorted_if_absent() {
+# If $STR is not already on a line by itself in $FILE, insert it at the start.
+# Entries are inserted at the start of the ignore list to ensure existing
+# entries starting with ! are not overridden.  Such entries support
+# whitelisting exceptions after a more generic blacklist pattern.
+insert_if_absent() {
   file=$1
   str=$2
   test -f $file || touch $file
-  echo "$str" | sort_patterns - $file | cmp -s - $file > /dev/null \
-    || { echo "$str" | sort_patterns - $file > $file.bak \
-      && mv $file.bak $file; } \
-    || die "insert_sorted_if_absent $file $str: failed"
+  test -r $file || die "Error: failed to read ignore file: $file"
+  duplicate_entries=$(gitignore_entries $file | sort | uniq -d)
+  if [ "$duplicate_entries" ] ; then
+    die "Error: Duplicate entries in $file: " $duplicate_entries
+  fi
+  linesold=$(gitignore_entries $file | wc -l)
+  linesnew=$(echo "$str" | gitignore_entries - $file | sort -u | wc -l)
+  if [ $linesold != $linesnew ] ; then
+    { echo "$str" | cat - $file > $file.bak && mv $file.bak $file; } \
+      || die "insert_if_absent $file $str: failed"
+  fi
 }

 # Adjust $PATTERN for $VC_IGNORE_FILE and insert it with
-# insert_sorted_if_absent.
+# insert_if_absent.
 insert_vc_ignore() {
   vc_ignore_file="$1"
   pattern="$2"
@@ -344,7 +345,7 @@ insert_vc_ignore() {
     # .gitignore entry.
     pattern=$(echo "$pattern" | sed s,^,/,);;
   esac
-  insert_sorted_if_absent "$vc_ignore_file" "$pattern"
+  insert_if_absent "$vc_ignore_file" "$pattern"
 }

 # Die if there is no AC_CONFIG_AUX_DIR($build_aux) line in configure.ac.
@@ -630,9 +631,13 @@ esac
 if $bootstrap_sync; then
   cmp -s "$0" "$GNULIB_SRCDIR/build-aux/bootstrap" || {
     echo "$0: updating bootstrap and restarting..."
+    case $(sh -c 'echo "$1"' -- a) in
+      a) ignored=--;;
+      *) ignored=ignored;;
+    esac
     exec sh -c \
       'cp "$1" "$2" && shift && exec "${CONFIG_SHELL-/bin/sh}" "$@"' \
-      -- "$GNULIB_SRCDIR/build-aux/bootstrap" \
+      $ignored "$GNULIB_SRCDIR/build-aux/bootstrap" \
       "$0" "$@" --no-bootstrap-sync
   }
 fi
@@ -889,20 +894,21 @@ find "$m4_base" "$source_base" \
   -depth \( -name '*.m4' -o -name '*.[ch]' \) \
   -type l -xtype l -delete > /dev/null 2>&1

+# Invoke autoreconf with --force --install to ensure upgrades of tools
+# such as ylwrap.
+AUTORECONFFLAGS="--verbose --install --force -I $m4_base $ACLOCAL_FLAGS"
+
 # Some systems (RHEL 5) are using ancient autotools, for which the
 # --no-recursive option had not been invented.  Detect that lack and
 # omit the option when it's not supported.  FIXME in 2017: remove this
 # hack when RHEL 5 autotools are updated, or when they become irrelevant.
-no_recursive=
 case $($AUTORECONF --help) in
-  *--no-recursive*) no_recursive=--no-recursive;;
+  *--no-recursive*) AUTORECONFFLAGS="$AUTORECONFFLAGS --no-recursive";;
 esac

 # Tell autoreconf not to invoke autopoint or libtoolize; they were run above.
-echo "running: AUTOPOINT=true LIBTOOLIZE=true " \
-    "$AUTORECONF --verbose --install $no_recursive -I $m4_base $ACLOCAL_FLAGS"
-AUTOPOINT=true LIBTOOLIZE=true \
-    $AUTORECONF --verbose --install $no_recursive -I $m4_base $ACLOCAL_FLAGS \
+echo "running: AUTOPOINT=true LIBTOOLIZE=true $AUTORECONF $AUTORECONFFLAGS"
+AUTOPOINT=true LIBTOOLIZE=true $AUTORECONF $AUTORECONFFLAGS \
   || die "autoreconf failed"

 # Get some extra files from gnulib, overriding existing files.
diff --git a/gnulib b/gnulib
index f782c0f..9be0b54 160000
--- a/gnulib
+++ b/gnulib
@@ -1 +1 @@
-Subproject commit f782c0f66728e636e98214c33e55de063f00f113
+Subproject commit 9be0b54cb42e404e3e355c800b23537416acbc1f
--
1.8.3.251.g1462b67