Update README.

[bison.git] / bootstrap

diff --git a/bootstrap b/bootstrap
index 3294085057373b9d8a1146f48de8e39208b42286..f92d1ccd8ef55b5ffe8918b74b0d760a231d90ff 100755 (executable)
--- a/bootstrap
+++ b/bootstrap
@@ -2,12 +2,13 @@
 
 # Bootstrap this package from checked-out sources.
 
 
 # Bootstrap this package from checked-out sources.
 

-# Copyright (C) 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+# Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation,
+# Inc.

 
 

-# This program is free software; you can redistribute it and/or modify
+# 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
 # it under the terms of the GNU General Public License as published by

-# the Free Software Foundation; either version 2, or (at your option)
-# any later version.
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.

 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of


@@ -15,9 +16,7 @@
 # GNU General Public License for more details.
 
 # You should have received a copy of the GNU General Public License
 # GNU General Public License for more details.
 
 # You should have received a copy of the GNU General Public License

-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
-# 02110-1301, USA.
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.

 
 # Written by Paul Eggert.
 
 
 # Written by Paul Eggert.
 


@@ -29,6 +28,8 @@ nl='
 LC_ALL=C
 export LC_ALL
 
 LC_ALL=C
 export LC_ALL
 

+local_gl_dir=gl
+

 # Temporary directory names.
 bt='._bootmp'
 bt_regex=`echo "$bt"| sed 's/\./[.]/g'`
 # Temporary directory names.
 bt='._bootmp'
 bt_regex=`echo "$bt"| sed 's/\./[.]/g'`


@@ -41,18 +42,18 @@ Bootstrap this package from the checked-out sources.
 
 Options:
  --gnulib-srcdir=DIRNAME  Specify the local directory where gnulib
 
 Options:
  --gnulib-srcdir=DIRNAME  Specify the local directory where gnulib

-                          sources reside.  Use this if you already
-                          have gnulib sources on your machine, and
-                          do not want to waste your bandwidth downloading
-                          them again.
+                         sources reside.  Use this if you already
+                         have gnulib sources on your machine, and
+                         do not want to waste your bandwidth downloading
+                         them again.

  --copy                   Copy files instead of creating symbolic links.
  --force                  Attempt to bootstrap even if the sources seem
  --copy                   Copy files instead of creating symbolic links.
  --force                  Attempt to bootstrap even if the sources seem

-                          not to have been checked out.
+                         not to have been checked out.

  --skip-po                Do not download po files.
  --cvs-user=USERNAME      Set the username to use when checking out
  --skip-po                Do not download po files.
  --cvs-user=USERNAME      Set the username to use when checking out

-                          sources from the gnulib repository.
+                         sources from the gnulib repository.

 
 

-If the file .bootstrap.conf exists in the current working directory, its
+If the file bootstrap.conf exists in the current working directory, its

 contents are read as shell variables to configure the bootstrap.
 
 Running without arguments will suffice in most cases.
 contents are read as shell variables to configure the bootstrap.
 
 Running without arguments will suffice in most cases.


@@ -61,16 +62,22 @@ Running without arguments will suffice in most cases.
 
 # Configuration.
 
 
 # Configuration.
 

+# Name of the Makefile.am
+gnulib_mk=gnulib.mk
+

 # List of gnulib modules needed.
 gnulib_modules=
 
 # Any gnulib files needed that are not in modules.
 gnulib_files=
 
 # List of gnulib modules needed.
 gnulib_modules=
 
 # Any gnulib files needed that are not in modules.
 gnulib_files=
 

-# Translation Project URL, for the registry of all projects
-# and for the translation-team master directory.
-TP_URL='http://www.iro.umontreal.ca/translation/registry.cgi?domain='
-TP_PO_URL='http://www.iro.umontreal.ca/translation/teams/PO/'
+# The command to download all .po files for a specified domain into
+# a specified directory.  Fill in the first %s is the domain name, and
+# the second with the destination directory.  Use rsync's -L and -r
+# options because the latest/%s directory and the .po files within are
+# all symlinks.
+po_download_command_format=\
+"rsync -Lrtvz 'translationproject.org::tp/latest/%s/' '%s'"

 
 extract_package_name='
   /^AC_INIT(/{
 
 extract_package_name='
   /^AC_INIT(/{


@@ -104,6 +111,9 @@ gnulib_extra_files="
        doc/INSTALL
 "
 
        doc/INSTALL
 "
 

+# Additional gnulib-tool options to use.  Use "\newline" to break lines.
+gnulib_tool_option_extras=
+

 # Other locale categories that need message catalogs.
 EXTRA_LOCALE_CATEGORIES=
 
 # Other locale categories that need message catalogs.
 EXTRA_LOCALE_CATEGORIES=
 


@@ -124,9 +134,52 @@ checkout_only_file=README-hacking
 # Whether to use copies instead of symlinks.
 copy=false
 
 # Whether to use copies instead of symlinks.
 copy=false
 

+# Set this to '.cvsignore .gitignore' in bootstrap.conf if you want
+# those files to be generated in directories like lib/, m4/, and po/.
+# Or set it to 'auto' to make this script select which to use based
+# on which version control system (if any) is used in the source directory.
+vc_ignore=auto
+
+# find_tool ENVVAR NAMES...
+# -------------------------
+find_tool ()
+{
+  # Find sha1sum, named gsha1sum on MacPorts.
+  find_tool_envvar=$1
+  shift
+  if eval test x"\$$find_tool_envvar" = x; then
+    for i
+    do
+      if ($i --version </dev/null) >/dev/null 2>&1; then
+       find_tool_res=$i
+       break
+      fi
+    done
+  fi
+  if test x"$find_tool_res" = x; then
+    echo >&2 "$0: $find_tool_name is required"
+    exit 1
+  fi
+  ($find_tool_res --version </dev/null) >/dev/null 2>&1 || {
+    echo >&2 "$0: cannot run $find_tool_res --version"
+    exit 1
+  }
+  eval "$find_tool_envvar=\"$find_tool_res\""
+  eval "export $find_tool_envvar"
+}
+
+# Find sha1sum, named gsha1sum on MacPorts.
+find_tool SHA1SUM sha1sum gsha1sum
+

 # Override the default configuration, if necessary.
 test -r bootstrap.conf && . ./bootstrap.conf
 
 # Override the default configuration, if necessary.
 test -r bootstrap.conf && . ./bootstrap.conf
 

+if test "$vc_ignore" = auto; then
+  vc_ignore=
+  test -d .git && vc_ignore=.gitignore
+  test -d CVS && vc_ignore="$vc_ignore .cvsignore"
+fi
+

 # Translate configuration into internal form.
 
 # Parse options.
 # Translate configuration into internal form.
 
 # Parse options.


@@ -158,16 +211,32 @@ if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then
   exit 1
 fi
 
   exit 1
 fi
 

-# If $STR is not already on a line by itself in $FILE, insert it,
+# If each line in $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() {
   file=$1
   str=$2
 # sorting the new contents of the file and replacing $FILE with the result.
 insert_sorted_if_absent() {
   file=$1
   str=$2

+  test -f $file || touch $file

   echo "$str" | sort -u - $file | cmp -s - $file \
     || echo "$str" | sort -u - $file -o $file \
     || exit 1
 }
 
   echo "$str" | sort -u - $file | cmp -s - $file \
     || echo "$str" | sort -u - $file -o $file \
     || exit 1
 }
 

+# Adjust $PATTERN for $VC_IGNORE_FILE and insert it with
+# insert_sorted_if_absent.
+insert_vc_ignore() {
+  vc_ignore_file="$1"
+  case $vc_ignore_file in
+  *.gitignore)
+    # A .gitignore entry that does not start with `/' applies recursively to
+    # subdirectories, so prepend `/' to every .gitignore entry.
+    pattern=`echo "$2" | sed s,^,/,`;;
+  *)
+    pattern="$2";;
+  esac
+  insert_sorted_if_absent "$vc_ignore_file" "$pattern"
+}
+

 # Die if there is no AC_CONFIG_AUX_DIR($build_aux) line in configure.ac.
 found_aux_dir=no
 grep '^[        ]*AC_CONFIG_AUX_DIR(\['"$build_aux"'\])' configure.ac \
 # Die if there is no AC_CONFIG_AUX_DIR($build_aux) line in configure.ac.
 found_aux_dir=no
 grep '^[        ]*AC_CONFIG_AUX_DIR(\['"$build_aux"'\])' configure.ac \


@@ -176,15 +245,17 @@ grep '^[   ]*AC_CONFIG_AUX_DIR('"$build_aux"')' configure.ac \
     >/dev/null && found_aux_dir=yes
 if test $found_aux_dir = no; then
   echo "$0: expected line not found in configure.ac. Add the following:" >&2
     >/dev/null && found_aux_dir=yes
 if test $found_aux_dir = no; then
   echo "$0: expected line not found in configure.ac. Add the following:" >&2

-  echo "  AC_CONFIG_AUX_DIR([$build_aux])" >&2.
+  echo "  AC_CONFIG_AUX_DIR([$build_aux])" >&2
+  exit 1

 fi
 
 # If $build_aux doesn't exist, create it now, otherwise some bits
 # below will malfunction.  If creating it, also mark it as ignored.
 if test ! -d $build_aux; then
   mkdir $build_aux
 fi
 
 # If $build_aux doesn't exist, create it now, otherwise some bits
 # below will malfunction.  If creating it, also mark it as ignored.
 if test ! -d $build_aux; then
   mkdir $build_aux

-  for ig in .cvsignore .gitignore; do
-    test -f $ig && insert_sorted_if_absent $ig $build_aux
+  for dot_ig in x $vc_ignore; do
+    test $dot_ig = x && continue
+    insert_vc_ignore $dot_ig $build_aux

   done
 fi
 
   done
 fi
 


@@ -196,6 +267,20 @@ cleanup_gnulib() {
   exit $status
 }
 
   exit $status
 }
 

+# See if we can use gnulib's git-merge-changelog merge driver.
+
+if test -d .git && (git --version) >/dev/null 2>/dev/null ; then
+  if git config merge.merge-changelog.driver >/dev/null ; then
+    :
+  elif (git-merge-changelog --version) >/dev/null 2>/dev/null ; then
+    echo "initializing git-merge-changelog driver"
+    git config merge.merge-changelog.name 'GNU-style ChangeLog merge driver'
+    git config merge.merge-changelog.driver 'git-merge-changelog %O %A %B'
+  else
+    echo "consider installing git-merge-changelog from gnulib"
+  fi
+fi
+

 # Get gnulib files.
 
 case ${GNULIB_SRCDIR--} in
 # Get gnulib files.
 
 case ${GNULIB_SRCDIR--} in


@@ -219,7 +304,7 @@ case ${GNULIB_SRCDIR--} in
 
     trap cleanup_gnulib 1 2 13 15
 
 
     trap cleanup_gnulib 1 2 13 15
 

-    cvs -z3 -q -d ${CVS_PREFIX}cvs.savannah.gnu.org:/cvsroot/gnulib co gnulib ||
+    cvs -z3 -q -d ${CVS_PREFIX}pserver.git.sv.gnu.org:/gnulib.git co -d gnulib HEAD ||

       cleanup_gnulib
 
     trap - 1 2 13 15
       cleanup_gnulib
 
     trap - 1 2 13 15


@@ -232,71 +317,82 @@ gnulib_tool=$GNULIB_SRCDIR/gnulib-tool
 
 # Get translations.
 
 
 # Get translations.
 

-get_translations() {
+download_po_files() {

   subdir=$1
   domain=$2
   subdir=$1
   domain=$2

+  echo "$0: getting translations into $subdir for $domain..."
+  cmd=`printf "$po_download_command_format" "$domain" "$subdir"`
+  eval "$cmd"
+}

 
 

-  case $WGET_COMMAND in
-  '')
-    echo "$0: wget not available; skipping translations";;
-  ?*)
-    echo "$0: getting translations into $subdir for $domain..." &&
-
-    (cd $subdir && rm -f dummy `ls | sed -n '/\.gmo$/p; /\.po/p'`) &&
-    $WGET_COMMAND -O "$subdir/$domain.html" "$TP_URL$domain" &&
-
-    sed -n 's|.*"http://[^"]*/translation/teams/PO/\([^/"]*\)/'"$domain"'-\([^/"]*\)\.[^."]*\.po".*|\1.\2|p' <"$subdir/$domain.html" |
-    sort -k 1,1 -k 2,2n -k2,2 -k3,3n -k3,3 -k4,4n -k4,4 -k5,5n -k5.5 |
-    awk -F. '
-      { if (lang && $1 != lang) print lang, ver }
-      { lang = $1; ver = substr($0, index($0, ".") + 1) }
-      END { if (lang) print lang, ver }
-    ' | awk -v domain="$domain" -v subdir="$subdir" '
-      {
-       lang = $1
-       ver = $2
-       urlfmt = ""
-       printf "{ $WGET_COMMAND -O %s/%s.po '\'"$TP_PO_URL"'/%s/%s-%s.%s.po'\'' &&\n", subdir, lang, lang, domain, ver, lang
-       printf "  msgfmt -c -o /dev/null %s/%s.po || {\n", subdir, lang
-       printf "    echo >&2 '\'"$0"': omitting translation for %s'\''\n", lang
-       printf "    rm -f %s/%s.po; }; } &&\n", subdir, lang
-      }
-      END { print ":" }
-    ' | WGET_COMMAND="$WGET_COMMAND" sh;;
-  esac &&
-  ls "$subdir"/*.po 2>/dev/null |
-    sed 's|.*/||; s|\.po$||' >"$subdir/LINGUAS" &&
-  rm -f "$subdir/$domain.html"
+# Download .po files to $po_dir/.reference and copy only the new
+# or modified ones into $po_dir.  Also update $po_dir/LINGUAS.
+update_po_files() {
+  # Directory containing primary .po files.
+  # Overwrite them only when we're sure a .po file is new.
+  po_dir=$1
+  domain=$2
+
+  # Download *.po files into this dir.
+  # Usually contains *.s1 checksum files.
+  ref_po_dir="$po_dir/.reference"
+
+  test -d $ref_po_dir || mkdir $ref_po_dir || return
+  download_po_files $ref_po_dir $domain \
+    && ls "$ref_po_dir"/*.po 2>/dev/null |
+      sed 's|.*/||; s|\.po$||' > "$po_dir/LINGUAS"
+
+  for po in `cd $ref_po_dir && echo *.po|sed 's/\.po//g'`; do
+     new_po="$ref_po_dir/$po.po"
+     cksum_file="$ref_po_dir/$po.s1"
+     if ! "$SHA1SUM" -c --status "$cksum_file" < "$new_po" > /dev/null; then
+       echo "updated $po_dir/$po.po..."
+       cp "$new_po" "$po_dir/$po.po" && "$SHA1SUM" < "$new_po" > "$cksum_file"
+     fi
+  done

 }
 
 case $SKIP_PO in
 '')
 }
 
 case $SKIP_PO in
 '')

-  case `wget --help` in
-  *'--no-cache'*)
-    WGET_COMMAND='wget -nv --no-cache';;
-  *'--cache=on/off'*)
-    WGET_COMMAND='wget -nv --cache=off';;
-  *'--non-verbose'*)
-    WGET_COMMAND='wget -nv';;
-  *)
-    WGET_COMMAND='';;
-  esac
-

   if test -d po; then
   if test -d po; then

-    get_translations po $package || exit
+    update_po_files po $package || exit

   fi
 
   if test -d runtime-po; then
   fi
 
   if test -d runtime-po; then

-    get_translations runtime-po $package-runtime || exit
+    update_po_files runtime-po $package-runtime || exit

   fi;;
 esac
 
   fi;;
 esac
 

-symlink_to_gnulib()
+check_dst_dir()
+{
+  dst=$1
+  # If the destination directory doesn't exist, create it.
+  # This is required at least for "lib/uniwidth/cjk.h".
+  dst_dir=`dirname "$dst"`
+  if ! test -d "$dst_dir"; then
+    mkdir -p "$dst_dir"
+
+    # If we've just created a directory like lib/uniwidth,
+    # tell version control system(s) it's ignorable.
+    # FIXME: for now, this does only one level
+    parent=`dirname "$dst_dir"`
+    for dot_ig in x $vc_ignore; do
+      test $dot_ig = x && continue
+      ig=$parent/$dot_ig
+      insert_vc_ignore $ig `echo "$dst_dir"|sed 's,.*/,,'`
+    done
+  fi
+}
+
+symlink_to_dir()

 {
 {

-  src=$GNULIB_SRCDIR/$1
-  dst=${2-$1}
+  src=$1/$2
+  dst=${3-$2}

 
   test -f "$src" && {
 
   test -f "$src" && {

+
+    check_dst_dir "$dst"
+

     if $copy; then
       {
        test ! -h "$dst" || {
     if $copy; then
       {
        test ! -h "$dst" || {


@@ -341,7 +437,9 @@ cp_mark_as_generated()
   cp_dst=$2
 
   if cmp -s "$cp_src" "$GNULIB_SRCDIR/$cp_dst"; then
   cp_dst=$2
 
   if cmp -s "$cp_src" "$GNULIB_SRCDIR/$cp_dst"; then

-    symlink_to_gnulib "$cp_dst"
+    symlink_to_dir "$GNULIB_SRCDIR" "$cp_dst"
+  elif cmp -s "$cp_src" "$local_gl_dir/$cp_dst"; then
+    symlink_to_dir $local_gl_dir "$cp_dst"

   else
     case $cp_dst in
       *.[ch])             c1='/* '; c2=' */';;
   else
     case $cp_dst in
       *.[ch])             c1='/* '; c2=' */';;


@@ -357,6 +455,7 @@ cp_mark_as_generated()
        sed "s!$bt_regex/!!g" "$cp_src" > "$cp_dst"
       }
     else
        sed "s!$bt_regex/!!g" "$cp_src" > "$cp_dst"
       }
     else

+      check_dst_dir "$cp_dst"

       # Copy the file first to get proper permissions if it
       # doesn't already exist.  Then overwrite the copy.
       cp "$cp_src" "$cp_dst-t" &&
       # Copy the file first to get proper permissions if it
       # doesn't already exist.  Then overwrite the copy.
       cp "$cp_src" "$cp_dst-t" &&


@@ -394,18 +493,22 @@ slurp() {
   for dir in . `(cd $1 && find * -type d -print)`; do
     copied=
     sep=
   for dir in . `(cd $1 && find * -type d -print)`; do
     copied=
     sep=

-    for file in `ls $1/$dir`; do
+    for file in `ls -a $1/$dir`; do
+      case $file in
+      .|..) continue;;
+      .*) continue;; # FIXME: should all file names starting with "." be ignored?
+      esac

       test -d $1/$dir/$file && continue
       for excluded_file in $excluded_files; do
        test "$dir/$file" = "$excluded_file" && continue 2
       done
       if test $file = Makefile.am; then
       test -d $1/$dir/$file && continue
       for excluded_file in $excluded_files; do
        test "$dir/$file" = "$excluded_file" && continue 2
       done
       if test $file = Makefile.am; then

-        copied=$copied${sep}gnulib.mk; sep=$nl
+       copied=$copied${sep}$gnulib_mk; sep=$nl

        remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g"
        remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g"

-        sed "$remove_intl" $1/$dir/$file | cmp -s - $dir/gnulib.mk || {
-         echo "$0: Copying $1/$dir/$file to $dir/gnulib.mk ..." &&
-         rm -f $dir/gnulib.mk &&
-         sed "$remove_intl" $1/$dir/$file >$dir/gnulib.mk
+       sed "$remove_intl" $1/$dir/$file | cmp -s - $dir/$gnulib_mk || {
+         echo "$0: Copying $1/$dir/$file to $dir/$gnulib_mk ..." &&
+         rm -f $dir/$gnulib_mk &&
+         sed "$remove_intl" $1/$dir/$file >$dir/$gnulib_mk

        }
       elif { test "${2+set}" = set && test -r $2/$dir/$file; } ||
           version_controlled_file $dir $file; then
        }
       elif { test "${2+set}" = set && test -r $2/$dir/$file; } ||
           version_controlled_file $dir $file; then


@@ -429,15 +532,22 @@ slurp() {
       fi || exit
     done
 
       fi || exit
     done
 

-    for dot_ig in .cvsignore .gitignore; do
+    for dot_ig in x $vc_ignore; do
+      test $dot_ig = x && continue

       ig=$dir/$dot_ig
       ig=$dir/$dot_ig

-      if test -n "$copied" && test -f $ig; then
-       insert_sorted_if_absent $ig "$copied"
+      if test -n "$copied"; then
+       insert_vc_ignore $ig "$copied"

        # If an ignored file name ends with _.h, then also add
        # the name with just ".h".  Many gnulib headers are generated,
        # e.g., stdint_.h -> stdint.h, dirent_.h ->..., etc.
        # If an ignored file name ends with _.h, then also add
        # the name with just ".h".  Many gnulib headers are generated,
        # e.g., stdint_.h -> stdint.h, dirent_.h ->..., etc.

-       f=`echo "$copied"|sed 's/_\.h$/.h/'`
-       insert_sorted_if_absent $ig "$f"
+       # Likewise for .gperf -> .h, .y -> .c, and .sin -> .sed
+       f=`echo "$copied"|sed 's/_\.h$/.h/;s/\.sin$/.sed/;s/\.y$/.c/;s/\.gperf$/.h/'`
+       insert_vc_ignore $ig "$f"
+
+       # For files like sys_stat_.h and sys_time_.h, record as
+       # ignorable the directory we might eventually create: sys/.
+       f=`echo "$copied"|sed 's/sys_.*_\.h$/sys/'`
+       insert_vc_ignore $ig "$f"

       fi
     done
   done
       fi
     done
   done


@@ -459,14 +569,15 @@ gnulib_tool_options="\
  --m4-base $bt/m4/\
  --source-base $bt/lib/\
  --tests-base $bt/tests\
  --m4-base $bt/m4/\
  --source-base $bt/lib/\
  --tests-base $bt/tests\

- --local-dir gl\
+ --local-dir $local_gl_dir\
+$gnulib_tool_option_extras\

 "
 echo "$0: $gnulib_tool $gnulib_tool_options --import ..."
 $gnulib_tool $gnulib_tool_options --import $gnulib_modules &&
 slurp $bt || exit
 
 for file in $gnulib_files; do
 "
 echo "$0: $gnulib_tool $gnulib_tool_options --import ..."
 $gnulib_tool $gnulib_tool_options --import $gnulib_modules &&
 slurp $bt || exit
 
 for file in $gnulib_files; do

-  symlink_to_gnulib $file || exit
+  symlink_to_dir "$GNULIB_SRCDIR" $file || exit

 done
 
 
 done
 
 


@@ -484,6 +595,24 @@ if test $with_gettext = yes; then
   rm -fr $bt $bt2 || exit
 fi
 
   rm -fr $bt $bt2 || exit
 fi
 

+# Coreutils is unusual in that it generates some of its test-related
+# Makefile.am files.  That must be done before invoking automake.
+mam_template=tests/Makefile.am.in
+if test -f $mam_template; then
+  PERL=perl
+  for tool in cut head join pr sort tac tail test tr uniq wc; do
+    m=tests/$tool/Makefile.am
+    t=${m}t
+    rm -f $m $t
+    sed -n '1,/^##test-files-begin/p' $mam_template > $t
+    echo "x = $tool" >> $t
+    srcdir=tests/$tool
+    $PERL -I$srcdir -w -- tests/mk-script $srcdir --list >> $t
+    sed -n '/^##test-files-end/,$p' $mam_template >> $t
+    chmod -w $t
+    mv $t $m
+  done
+fi

 
 # Reconfigure, getting other files.
 
 
 # Reconfigure, getting other files.
 


@@ -505,13 +634,13 @@ done
 
 
 # Get some extra files from gnulib, overriding existing files.
 
 
 # Get some extra files from gnulib, overriding existing files.

-

 for file in $gnulib_extra_files; do
   case $file in
   */INSTALL) dst=INSTALL;;
 for file in $gnulib_extra_files; do
   case $file in
   */INSTALL) dst=INSTALL;;

+  build-aux/*) dst=$build_aux/`expr "$file" : 'build-aux/\(.*\)'`;;

   *) dst=$file;;
   esac
   *) dst=$file;;
   esac

-  symlink_to_gnulib $file $dst || exit
+  symlink_to_dir "$GNULIB_SRCDIR" $file $dst || exit

 done
 
 if test $with_gettext = yes; then
 done
 
 if test $with_gettext = yes; then