lalr1.cc: don't discard non-existent lookahead on syntax error.

[bison.git] / bootstrap

diff --git a/bootstrap b/bootstrap
index 0c136f62cf98166c4745218ff1428ad5594c87b1..00ea4bc1a30720e57df209c806220d974ad61c5f 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


@@ -142,29 +142,37 @@ vc_ignore=auto
 
 # find_tool ENVVAR NAMES...
 # -------------------------
 
 # find_tool ENVVAR NAMES...
 # -------------------------

+# Look for some needed program.  Use the value of the ENVVAR if set,
+# otherwise look for the first of the NAMES that can be run (i.e.,
+# supports --version).  If found, set ENVVAR to the program name,
+# die otherwise.

 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
+  find_tool_names=$@
+  eval "find_tool_res=\$$find_tool_envvar"
+  if test x"$find_tool_res" = x; then

     for i
     do
       if ($i --version </dev/null) >/dev/null 2>&1; then
     for i
     do
       if ($i --version </dev/null) >/dev/null 2>&1; then

-       find_tool_res=$i
-       break
+       find_tool_res=$i
+       break

       fi
     done
       fi
     done

+  else
+    find_tool_error_prefix="\$$find_tool_envvar: "

   fi
   if test x"$find_tool_res" = x; then
     echo >&2 "$0: one of these is required: $find_tool_names"
     exit 1
   fi
   ($find_tool_res --version </dev/null) >/dev/null 2>&1 || {
   fi
   if test x"$find_tool_res" = x; then
     echo >&2 "$0: one of these is required: $find_tool_names"
     exit 1
   fi
   ($find_tool_res --version </dev/null) >/dev/null 2>&1 || {

-    echo >&2 "$0: cannot run $find_tool_res --version"
+    echo >&2 "$0: ${find_tool_error_prefix}cannot run $find_tool_res --version"

     exit 1
   }
     exit 1
   }

-  eval "$find_tool_envvar=\"$find_tool_res\""
+  eval "$find_tool_envvar=\$find_tool_res"

   eval "export $find_tool_envvar"
 }
 
   eval "export $find_tool_envvar"
 }