bootstrap: --help to stdout.

[bison.git] / bootstrap

diff --git a/bootstrap b/bootstrap
index 67063b5bfd000bd09626d9cb672fbc771d0171b1..031ecf75540599ef353c7a1cad3e69725f2166b3 100755 (executable)
--- a/bootstrap
+++ b/bootstrap
@@ -2,8 +2,8 @@
 
 # Bootstrap this package from checked-out sources.
 
 
 # Bootstrap this package from checked-out sources.
 

-# Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation,
-# Inc.
+# Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009
+# 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
 
 # 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


@@ -36,7 +36,7 @@ bt_regex=`echo "$bt"| sed 's/\./[.]/g'`
 bt2=${bt}2
 
 usage() {
 bt2=${bt}2
 
 usage() {

-  echo >&2 "\
+  cat <<EOF

 Usage: $0 [OPTION]...
 Bootstrap this package from the checked-out sources.
 
 Usage: $0 [OPTION]...
 Bootstrap this package from the checked-out sources.
 


@@ -57,7 +57,7 @@ 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.

-"
+EOF

 }
 
 # Configuration.
 }
 
 # Configuration.


@@ -129,7 +129,7 @@ excluded_files=
 
 # File that should exist in the top directory of a checked out hierarchy,
 # but not in a distribution tarball.
 
 # File that should exist in the top directory of a checked out hierarchy,
 # but not in a distribution tarball.

-checkout_only_file=README-hacking
+checkout_only_file=HACKING

 
 # Whether to use copies instead of symlinks.
 copy=false
 
 # Whether to use copies instead of symlinks.
 copy=false


@@ -144,9 +144,9 @@ vc_ignore=auto
 # -------------------------
 find_tool ()
 {
 # -------------------------
 find_tool ()
 {

-  # Find sha1sum, named gsha1sum on MacPorts.

   find_tool_envvar=$1
   shift
   find_tool_envvar=$1
   shift

+  find_tool_name=$@

   if eval test x"\$$find_tool_envvar" = x; then
     for i
     do
   if eval test x"\$$find_tool_envvar" = x; then
     for i
     do


@@ -157,7 +157,7 @@ find_tool ()
     done
   fi
   if test x"$find_tool_res" = x; then
     done
   fi
   if test x"$find_tool_res" = x; then

-    echo >&2 "$0: $find_tool_name is required"
+    echo >&2 "$0: one of these is required: $find_tool_names"

     exit 1
   fi
   ($find_tool_res --version </dev/null) >/dev/null 2>&1 || {
     exit 1
   fi
   ($find_tool_res --version </dev/null) >/dev/null 2>&1 || {


@@ -267,6 +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


@@ -491,11 +505,10 @@ slurp() {
       if test $file = Makefile.am; then
        copied=$copied${sep}$gnulib_mk; sep=$nl
        remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g"
       if test $file = Makefile.am; then
        copied=$copied${sep}$gnulib_mk; sep=$nl
        remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$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
-       }
+       echo "$0: Copying $1/$dir/$file to $dir/$gnulib_mk ..."
+       rm -f $dir/$gnulib_mk
+       sed "$remove_intl" $1/$dir/$file >$dir/$gnulib_mk
+        etc/prefix-gnulib-mk $dir/$gnulib_mk

       elif { test "${2+set}" = set && test -r $2/$dir/$file; } ||
           version_controlled_file $dir $file; then
        echo "$0: $dir/$file overrides $1/$dir/$file"
       elif { test "${2+set}" = set && test -r $2/$dir/$file; } ||
           version_controlled_file $dir $file; then
        echo "$0: $dir/$file overrides $1/$dir/$file"


@@ -600,12 +613,6 @@ if test -f $mam_template; then
   done
 fi
 
   done
 fi
 

-# FIXME: Gnulib should be patched to add "/" in front of .gitignore entries
-# instead.  Anyway, this hack must be done before invoking autoconf so that
-# build-aux/git-version-gen doesn't think the version is dirty because
-# .gitignore isn't committed.
-grep -v '^GNUmakefile$' .gitignore > .gitignore~ && mv .gitignore~ .gitignore
-

 # Reconfigure, getting other files.
 
 for command in \
 # Reconfigure, getting other files.
 
 for command in \