* NEWS (2.5): New section. Describe new -D/--define feature.

[bison.git] / bootstrap

diff --git a/bootstrap b/bootstrap
index 9923ff04e93b22b5eb184f6dd83ab6f63c50659f..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 || {


@@ -211,7 +211,7 @@ 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
 # sorting the new contents of the file and replacing $FILE with the result.
 insert_sorted_if_absent() {
   file=$1


@@ -222,6 +222,21 @@ insert_sorted_if_absent() {
     || exit 1
 }
 
     || 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 \


@@ -240,7 +255,7 @@ if test ! -d $build_aux; then
   mkdir $build_aux
   for dot_ig in x $vc_ignore; do
     test $dot_ig = x && continue
   mkdir $build_aux
   for dot_ig in x $vc_ignore; do
     test $dot_ig = x && continue

-    insert_sorted_if_absent $dot_ig $build_aux
+    insert_vc_ignore $dot_ig $build_aux

   done
 fi
 
   done
 fi
 


@@ -252,6 +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


@@ -350,7 +379,7 @@ check_dst_dir()
     for dot_ig in x $vc_ignore; do
       test $dot_ig = x && continue
       ig=$parent/$dot_ig
     for dot_ig in x $vc_ignore; do
       test $dot_ig = x && continue
       ig=$parent/$dot_ig

-      insert_sorted_if_absent $ig `echo "$dst_dir"|sed 's,.*/,,'`
+      insert_vc_ignore $ig `echo "$dst_dir"|sed 's,.*/,,'`

     done
   fi
 }
     done
   fi
 }


@@ -476,11 +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"


@@ -507,18 +535,18 @@ slurp() {
       test $dot_ig = x && continue
       ig=$dir/$dot_ig
       if test -n "$copied"; then
       test $dot_ig = x && continue
       ig=$dir/$dot_ig
       if test -n "$copied"; then

-       insert_sorted_if_absent $ig "$copied"
+       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.
        # Likewise for .gperf -> .h, .y -> .c, and .sin -> .sed
        f=`echo "$copied"|sed 's/_\.h$/.h/;s/\.sin$/.sed/;s/\.y$/.c/;s/\.gperf$/.h/'`
        # If an ignored file name ends with _.h, then also add
        # the name with just ".h".  Many gnulib headers are generated,
        # e.g., stdint_.h -> stdint.h, dirent_.h ->..., etc.
        # Likewise for .gperf -> .h, .y -> .c, and .sin -> .sed
        f=`echo "$copied"|sed 's/_\.h$/.h/;s/\.sin$/.sed/;s/\.y$/.c/;s/\.gperf$/.h/'`

-       insert_sorted_if_absent $ig "$f"
+       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/'`
 
        # 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_sorted_if_absent $ig "$f"
+       insert_vc_ignore $ig "$f"

       fi
     done
   done
       fi
     done
   done