build: create xz instead of bzip2 tarballs.

[bison.git] / bootstrap

diff --git a/bootstrap b/bootstrap
index ecf2517840c122526c967f0c576cd7ececf23ae4..7cbb5dc4337ac14bd8540a4152d0278f7ba31a73 100755 (executable)
--- a/bootstrap
+++ b/bootstrap
@@ -1,6 +1,6 @@
 #! /bin/sh
 # Print a version string.
 #! /bin/sh
 # Print a version string.

-scriptversion=2010-11-20.03; # UTC
+scriptversion=2011-04-05.18; # UTC

 
 # Bootstrap this package from checked-out sources.
 
 
 # Bootstrap this package from checked-out sources.
 


@@ -42,30 +42,32 @@ local_gl_dir=gl
 bt='._bootmp'
 bt_regex=`echo "$bt"| sed 's/\./[.]/g'`
 bt2=${bt}2
 bt='._bootmp'
 bt_regex=`echo "$bt"| sed 's/\./[.]/g'`
 bt2=${bt}2

+me=$0

 
 usage() {
   cat <<EOF
 
 usage() {
   cat <<EOF

-Usage: $0 [OPTION]...
+Usage: $me [OPTION]...

 Bootstrap this package from the checked-out sources.
 
 Options:
 Bootstrap this package from the checked-out sources.
 
 Options:

- --gnulib-srcdir=DIRNAME  Specify the local directory where gnulib
+ --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
                           sources reside.  Use this if you already
                           have gnulib sources on your machine, and
                           do not want to waste your bandwidth downloading

-                          them again.  Defaults to \$GNULIB_SRCDIR.
- --bootstrap-sync         If this bootstrap script is not identical to
+                          them again.  Defaults to \$GNULIB_SRCDIR
+ --bootstrap-sync         if this bootstrap script is not identical to

                           the version in the local gnulib sources,
                           update this script, and then restart it with
                           the version in the local gnulib sources,
                           update this script, and then restart it with

-                          /bin/sh or the shell \$CONFIG_SHELL if
-                          defined.
- --no-bootstrap-sync      Do not check whether bootstrap is out of sync.
- --copy                   Copy files instead of creating symbolic links.
- --force                  Attempt to bootstrap even if the sources seem
-                          not to have been checked out.
- --skip-po                Do not download po files.
-
-If the file $0.conf exists in the same directory as this script, its
+                          /bin/sh or the shell \$CONFIG_SHELL
+ --no-bootstrap-sync      do not check whether bootstrap is out of sync
+ --copy                   copy files instead of creating symbolic links
+ --force                  attempt to bootstrap even if the sources seem
+                          not to have been checked out
+ --no-git                 do not use git to update gnulib.  Requires that
+                          --gnulib-srcdir point to a correct gnulib snapshot
+ --skip-po                do not download po files
+
+If the file $me.conf exists in the same directory as this script, its

 contents are read as shell variables to configure the bootstrap.
 
 For build prerequisites, environment variables like \$AUTOCONF and \$AMTAR
 contents are read as shell variables to configure the bootstrap.
 
 For build prerequisites, environment variables like \$AUTOCONF and \$AMTAR


@@ -128,18 +130,7 @@ source_base=lib
 m4_base=m4
 doc_base=doc
 tests_base=tests
 m4_base=m4
 doc_base=doc
 tests_base=tests

-
-# Extra files from gnulib, which override files from other sources.
-gnulib_extra_files="
-        $build_aux/install-sh
-        $build_aux/missing
-        $build_aux/mdate-sh
-        $build_aux/texinfo.tex
-        $build_aux/depcomp
-        $build_aux/config.guess
-        $build_aux/config.sub
-        doc/INSTALL
-"
+gnulib_extra_files=''

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


@@ -178,6 +169,9 @@ vc_ignore=auto
 # default.
 bootstrap_sync=false
 
 # default.
 bootstrap_sync=false
 

+# Use git to update gnulib sources
+use_git=true
+

 # find_tool ENVVAR NAMES...
 # -------------------------
 # Search for a required program.  Use the value of ENVVAR, if set,
 # find_tool ENVVAR NAMES...
 # -------------------------
 # Search for a required program.  Use the value of ENVVAR, if set,


@@ -202,11 +196,11 @@ find_tool ()
     find_tool_error_prefix="\$$find_tool_envvar: "
   fi
   if test x"$find_tool_res" = x; then
     find_tool_error_prefix="\$$find_tool_envvar: "
   fi
   if test x"$find_tool_res" = x; then

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

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

     exit 1
   }
   eval "$find_tool_envvar=\$find_tool_res"
     exit 1
   }
   eval "$find_tool_envvar=\$find_tool_res"


@@ -224,6 +218,18 @@ case "$0" in
   *) test -r "$0.conf" && . ./"$0.conf" ;;
 esac
 
   *) test -r "$0.conf" && . ./"$0.conf" ;;
 esac
 

+# Extra files from gnulib, which override files from other sources.
+test -z "${gnulib_extra_files}" && \
+  gnulib_extra_files="
+        $build_aux/install-sh
+        $build_aux/missing
+        $build_aux/mdate-sh
+        $build_aux/texinfo.tex
+        $build_aux/depcomp
+        $build_aux/config.guess
+        $build_aux/config.sub
+        doc/INSTALL
+"

 
 if test "$vc_ignore" = auto; then
   vc_ignore=
 
 if test "$vc_ignore" = auto; then
   vc_ignore=


@@ -253,25 +259,49 @@ do
     bootstrap_sync=true;;
   --no-bootstrap-sync)
     bootstrap_sync=false;;
     bootstrap_sync=true;;
   --no-bootstrap-sync)
     bootstrap_sync=false;;

+  --no-git)
+    use_git=false;;

   *)
     echo >&2 "$0: $option: unknown option"
     exit 1;;
   esac
 done
 
   *)
     echo >&2 "$0: $option: unknown option"
     exit 1;;
   esac
 done
 

+if $use_git || test -d "$GNULIB_SRCDIR"; then
+  :
+else
+  echo "$0: Error: --no-git requires --gnulib-srcdir" >&2
+  exit 1
+fi
+

 if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then
   echo "$0: Bootstrapping from a non-checked-out distribution is risky." >&2
   exit 1
 fi
 
 if test -n "$checkout_only_file" && test ! -r "$checkout_only_file"; then
   echo "$0: Bootstrapping from a non-checked-out distribution is risky." >&2
   exit 1
 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//
+  }'
+}
+

 # 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() {
   file=$1
   str=$2
   test -f $file || touch $file
 # 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() {
   file=$1
   str=$2
   test -f $file || touch $file

-  echo "$str" | sort -u - $file | cmp - $file > /dev/null \
-    || echo "$str" | sort -u - $file -o $file \
+  echo "$str" | sort_patterns - $file | cmp - $file > /dev/null \
+    || { echo "$str" | sort_patterns - $file > $file.bak \
+      && mv $file.bak $file; } \

     || exit 1
 }
 
     || exit 1
 }
 


@@ -384,18 +414,22 @@ check_versions() {
     if test "$app" = libtool; then
       app=libtoolize
     fi
     if test "$app" = libtool; then
       app=libtoolize
     fi

+    # Exempt git if --no-git is in effect.
+    if test "$app" = git; then
+      $use_git || continue
+    fi

     # Honor $APP variables ($TAR, $AUTOCONF, etc.)
     appvar=`echo $app | tr '[a-z]-' '[A-Z]_'`
     test "$appvar" = TAR && appvar=AMTAR
     eval "app=\${$appvar-$app}"
     inst_ver=$(get_version $app)
     if [ ! "$inst_ver" ]; then
     # Honor $APP variables ($TAR, $AUTOCONF, etc.)
     appvar=`echo $app | tr '[a-z]-' '[A-Z]_'`
     test "$appvar" = TAR && appvar=AMTAR
     eval "app=\${$appvar-$app}"
     inst_ver=$(get_version $app)
     if [ ! "$inst_ver" ]; then

-      echo "Error: '$app' not found" >&2
+      echo "$me: Error: '$app' not found" >&2

       ret=1
     elif [ ! "$req_ver" = "-" ]; then
       latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2)
       if [ ! "$latest_ver" = "$inst_ver" ]; then
       ret=1
     elif [ ! "$req_ver" = "-" ]; then
       latest_ver=$(sort_ver $req_ver $inst_ver | cut -d' ' -f2)
       if [ ! "$latest_ver" = "$inst_ver" ]; then

-        echo "Error: '$app' version == $inst_ver is too old" >&2
+        echo "$me: Error: '$app' version == $inst_ver is too old" >&2

         echo "       '$app' version >= $req_ver is required" >&2
         ret=1
       fi
         echo "       '$app' version >= $req_ver is required" >&2
         ret=1
       fi


@@ -428,9 +462,9 @@ fi
 if ! printf "$buildreq" | check_versions; then
   echo >&2
   if test -f README-prereq; then
 if ! printf "$buildreq" | check_versions; then
   echo >&2
   if test -f README-prereq; then

-    echo "See README-prereq for how to get the prerequisite programs" >&2
+    echo "$0: See README-prereq for how to get the prerequisite programs" >&2

   else
   else

-    echo "Please install the prerequisite programs" >&2
+    echo "$0: Please install the prerequisite programs" >&2

   fi
   exit 1
 fi
   fi
   exit 1
 fi


@@ -442,11 +476,11 @@ 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
   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"
+    echo "$0: 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
     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"
+    echo "$0: consider installing git-merge-changelog from gnulib"

   fi
 fi
 
   fi
 fi
 


@@ -462,7 +496,7 @@ git_modules_config () {
 }
 
 gnulib_path=`git_modules_config submodule.gnulib.path`
 }
 
 gnulib_path=`git_modules_config submodule.gnulib.path`

-: ${gnulib_path=gnulib}
+test -z "$gnulib_path" && gnulib_path=gnulib

 
 # Get gnulib files.
 
 
 # Get gnulib files.
 


@@ -533,7 +567,7 @@ gnulib_tool=$GNULIB_SRCDIR/gnulib-tool
 download_po_files() {
   subdir=$1
   domain=$2
 download_po_files() {
   subdir=$1
   domain=$2

-  echo "$0: getting translations into $subdir for $domain..."
+  echo "$me: getting translations into $subdir for $domain..."

   cmd=`printf "$po_download_command_format" "$domain" "$subdir"`
   eval "$cmd"
 }
   cmd=`printf "$po_download_command_format" "$domain" "$subdir"`
   eval "$cmd"
 }


@@ -567,7 +601,7 @@ update_po_files() {
         ! test -f "$po_dir/$po.po" ||
         ! $SHA1SUM -c --status "$cksum_file" \
             < "$new_po" > /dev/null; then
         ! test -f "$po_dir/$po.po" ||
         ! $SHA1SUM -c --status "$cksum_file" \
             < "$new_po" > /dev/null; then

-      echo "updated $po_dir/$po.po..."
+      echo "$me: updated $po_dir/$po.po..."

       cp "$new_po" "$po_dir/$po.po" \
           && $SHA1SUM < "$new_po" > "$cksum_file"
     fi
       cp "$new_po" "$po_dir/$po.po" \
           && $SHA1SUM < "$new_po" > "$cksum_file"
     fi


@@ -612,13 +646,13 @@ symlink_to_dir()
     if $copy; then
       {
         test ! -h "$dst" || {
     if $copy; then
       {
         test ! -h "$dst" || {

-          echo "$0: rm -f $dst" &&
+          echo "$me: rm -f $dst" &&

           rm -f "$dst"
         }
       } &&
       test -f "$dst" &&
       cmp -s "$src" "$dst" || {
           rm -f "$dst"
         }
       } &&
       test -f "$dst" &&
       cmp -s "$src" "$dst" || {

-        echo "$0: cp -fp $src $dst" &&
+        echo "$me: cp -fp $src $dst" &&

         cp -fp "$src" "$dst"
       }
     else
         cp -fp "$src" "$dst"
       }
     else


@@ -632,7 +666,7 @@ symlink_to_dir()
         *)
           case /$dst/ in
           *//* | */../* | */./* | /*/*/*/*/*/)
         *)
           case /$dst/ in
           *//* | */../* | */./* | /*/*/*/*/*/)

-             echo >&2 "$0: invalid symlink calculation: $src -> $dst"
+             echo >&2 "$me: invalid symlink calculation: $src -> $dst"

              exit 1;;
           /*/*/*/*/)   dot_dots=../../../;;
           /*/*/*/)     dot_dots=../../;;
              exit 1;;
           /*/*/*/*/)   dot_dots=../../../;;
           /*/*/*/)     dot_dots=../../;;


@@ -640,7 +674,7 @@ symlink_to_dir()
           esac;;
         esac
 
           esac;;
         esac
 

-        echo "$0: ln -fs $dot_dots$src $dst" &&
+        echo "$me: ln -fs $dot_dots$src $dst" &&

         ln -fs "$dot_dots$src" "$dst"
       }
     fi
         ln -fs "$dot_dots$src" "$dst"
       }
     fi


@@ -673,7 +707,7 @@ cp_mark_as_generated()
       cmp -s "$cp_src" "$cp_dst" || {
         # Copy the file first to get proper permissions if it
         # doesn't already exist.  Then overwrite the copy.
       cmp -s "$cp_src" "$cp_dst" || {
         # Copy the file first to get proper permissions if it
         # doesn't already exist.  Then overwrite the copy.

-        echo "$0: cp -f $cp_src $cp_dst" &&
+        echo "$me: cp -f $cp_src $cp_dst" &&

         rm -f "$cp_dst" &&
         cp "$cp_src" "$cp_dst-t" &&
         sed "s!$bt_regex/!!g" "$cp_src" > "$cp_dst-t" &&
         rm -f "$cp_dst" &&
         cp "$cp_src" "$cp_dst-t" &&
         sed "s!$bt_regex/!!g" "$cp_src" > "$cp_dst-t" &&


@@ -691,7 +725,7 @@ cp_mark_as_generated()
       if cmp -s "$cp_dst-t" "$cp_dst"; then
         rm -f "$cp_dst-t"
       else
       if cmp -s "$cp_dst-t" "$cp_dst"; then
         rm -f "$cp_dst-t"
       else

-        echo "$0: cp $cp_src $cp_dst # with edits" &&
+        echo "$me: cp $cp_src $cp_dst # with edits" &&

         mv -f "$cp_dst-t" "$cp_dst"
       fi
     fi
         mv -f "$cp_dst-t" "$cp_dst"
       fi
     fi


@@ -710,7 +744,7 @@ version_controlled_file() {
   elif test -d .svn; then
     svn log -r HEAD "$dir/$file" > /dev/null 2>&1 && found=yes
   else
   elif test -d .svn; then
     svn log -r HEAD "$dir/$file" > /dev/null 2>&1 && found=yes
   else

-    echo "$0: no version control for $dir/$file?" >&2
+    echo "$me: no version control for $dir/$file?" >&2

   fi
   test $found = yes
 }
   fi
   test $found = yes
 }


@@ -734,18 +768,18 @@ slurp() {
         remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g"
         sed "$remove_intl" $1/$dir/$file |
         cmp - $dir/$gnulib_mk > /dev/null || {
         remove_intl='/^[^#].*\/intl/s/^/#/;'"s!$bt_regex/!!g"
         sed "$remove_intl" $1/$dir/$file |
         cmp - $dir/$gnulib_mk > /dev/null || {

-          echo "$0: Copying $1/$dir/$file to $dir/$gnulib_mk ..." &&
+          echo "$me: Copying $1/$dir/$file to $dir/$gnulib_mk ..." &&

           rm -f $dir/$gnulib_mk &&
           sed "$remove_intl" $1/$dir/$file >$dir/$gnulib_mk &&
           gnulib_mk_hook $dir/$gnulib_mk
         }
       elif { test "${2+set}" = set && test -r $2/$dir/$file; } ||
            version_controlled_file $dir $file; then
           rm -f $dir/$gnulib_mk &&
           sed "$remove_intl" $1/$dir/$file >$dir/$gnulib_mk &&
           gnulib_mk_hook $dir/$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/$file"
+        echo "$me: $dir/$file overrides $1/$dir/$file"

       else
         copied=$copied$sep$file; sep=$nl
         if test $file = gettext.m4; then
       else
         copied=$copied$sep$file; sep=$nl
         if test $file = gettext.m4; then

-          echo "$0: patching m4/gettext.m4 to remove need for intl/* ..."
+          echo "$me: patching m4/gettext.m4 to remove need for intl/* ..."

           rm -f $dir/$file
           sed '
             /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\
           rm -f $dir/$file
           sed '
             /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\


@@ -856,7 +890,7 @@ grep -E '^[  ]*AC_CONFIG_HEADERS?\>' configure.ac >/dev/null ||
 
 for command in \
   libtool \
 
 for command in \
   libtool \

-  "${ACLOCAL-aclocal} --force -I m4 $ACLOCAL_FLAGS" \
+  "${ACLOCAL-aclocal} --force -I '$m4_base' $ACLOCAL_FLAGS" \

   "${AUTOCONF-autoconf} --force" \
   "${AUTOHEADER-autoheader} --force" \
   "${AUTOMAKE-automake} --add-missing --copy --force-missing"
   "${AUTOCONF-autoconf} --force" \
   "${AUTOHEADER-autoheader} --force" \
   "${AUTOMAKE-automake} --add-missing --copy --force-missing"


@@ -867,7 +901,7 @@ do
     command="${LIBTOOLIZE-libtoolize} -c -f"
   fi
   echo "$0: $command ..."
     command="${LIBTOOLIZE-libtoolize} -c -f"
   fi
   echo "$0: $command ..."

-  $command || exit
+  eval "$command" || exit

 done
 
 
 done