* data/push.c: Add CPP guards around push parser declarations in both

[bison.git] / bootstrap

diff --git a/bootstrap b/bootstrap
index a9124017ad247b39955d2dc5e9a712fcf7c70675..c3ddd2676c11509dbd0633ffbe2768095738ecc6 100755 (executable)
--- a/bootstrap
+++ b/bootstrap
@@ -32,7 +32,7 @@ export LC_ALL
 usage() {
   echo >&2 "\
 Usage: $0 [OPTION]...
-Bootstrap this package from the CVS sources.
+Bootstrap this package from the checked-out sources.
 
 Options:
  --gnulib-srcdir=DIRNAME  Specify the local directory where gnulib
@@ -40,7 +40,9 @@ Options:
                           have gnulib sources on your machine, and
                           do not want to waste your bandwidth dowloading
                           them again.
- --force                  Bootstrap even if the sources didn't come from CVS.
+ --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.
  --cvs-user=USERNAME      Set the CVS username to be used when accessing
                           the gnulib repository.
@@ -85,6 +87,7 @@ package=`sed -n "$extract_package_name" configure.ac` || exit
 
 # Extra files from gnulib, which override files from other sources.
 gnulib_extra_files='
+       build-aux/announce-gen
        build-aux/install-sh
        build-aux/missing
        build-aux/mdate-sh
@@ -108,9 +111,12 @@ XGETTEXT_OPTIONS='\\\
 # Files we don't want to import.
 excluded_files=
 
-# File that should exist with CVS checkout, but not with
-# the distributed version.
-CVS_only_file=CVS
+# File that should exist in the top directory of a checked out hierarchy,
+# but not in a distribution tarball.
+CVS_only_file=README-cvs
+
+# Whether to use copies instead of symlinks.
+copy=false
 
 # Override the default configuration, if necessary.
 test -r bootstrap.conf && . ./bootstrap.conf
@@ -133,6 +139,8 @@ do
     SKIP_PO=t;;
   --force)
     CVS_only_file=;;
+  --copy)
+    copy=true;;
   *)
     echo >&2 "$0: $option: unknown option"
     exit 1;;
@@ -140,7 +148,7 @@ do
 done
 
 if test -n "$CVS_only_file" && test ! -r "$CVS_only_file"; then
-  echo "$0: Bootstrapping from a non-CVS distribution is a bit risky." >&2
+  echo "$0: Bootstrapping from a non-checked-out distribution is risky." >&2
   exit 1
 fi
 
@@ -249,29 +257,43 @@ symlink_to_gnulib()
 {
   src=$GNULIB_SRCDIR/$1
   dst=${2-$1}
-  dot_dots=
-
-  case $src in
-  /*) ;;
-  *)
-    case /$dst/ in
-    *//* | */../* | */./* | /*/*/*/*/*/)
-       echo >&2 "$0: invalid symlink calculation: $src -> $dst"
-       exit 1;;
-    /*/*/*/*/) dot_dots=../../../;;
-    /*/*/*/)   dot_dots=../../;;
-    /*/*/)     dot_dots=../;;
-    esac;;
-  esac
 
   test -f "$src" && {
-    test -h "$dst" &&
-    src_ls=`ls -diL "$src" 2>/dev/null` && set $src_ls && src_i=$1 &&
-    dst_ls=`ls -diL "$dst" 2>/dev/null` && set $dst_ls && dst_i=$1 &&
-    test "$src_i" = "$dst_i" || {
-      echo "$0: ln -fs $dot_dots$src $dst" &&
-      ln -fs "$dot_dots$src" "$dst"
-    }
+    if $copy; then
+      {
+       test ! -h "$dst" || {
+         echo "$0: rm -f $dst" &&
+         rm -f "$dst"
+       }
+      } &&
+      test -f "$dst" &&
+      cmp -s "$src" "$dst" || {
+       echo "$0: cp -fp $src $dst" &&
+       cp -fp "$src" "$dst"
+      }
+    else
+      test -h "$dst" &&
+      src_ls=`ls -diL "$src" 2>/dev/null` && set $src_ls && src_i=$1 &&
+      dst_ls=`ls -diL "$dst" 2>/dev/null` && set $dst_ls && dst_i=$1 &&
+      test "$src_i" = "$dst_i" || {
+       dot_dots=
+       case $src in
+       /*) ;;
+       *)
+         case /$dst/ in
+         *//* | */../* | */./* | /*/*/*/*/*/)
+            echo >&2 "$0: invalid symlink calculation: $src -> $dst"
+            exit 1;;
+         /*/*/*/*/)    dot_dots=../../../;;
+         /*/*/*/)      dot_dots=../../;;
+         /*/*/)        dot_dots=../;;
+         esac;;
+       esac
+
+       echo "$0: ln -fs $dot_dots$src $dst" &&
+       ln -fs "$dot_dots$src" "$dst"
+      }
+    fi
   }
 }
 
@@ -314,6 +336,21 @@ cp_mark_as_generated()
   fi
 }
 
+version_controlled_file() {
+  dir=$1
+  file=$2
+  found=no
+  if test -d CVS; then
+    grep -F "/$file/" $dir/CVS/Entries 2>/dev/null |
+            grep '^/[^/]*/[0-9]' > /dev/null && found=yes
+  elif test -d .git; then
+    git-rm -n "$dir/$file" > /dev/null 2>&1 && found=yes
+  else
+    echo "$0: no version control for $dir/$file?" >&2
+  fi
+  test $found = yes
+}
+
 slurp() {
   for dir in . `(cd $1 && find * -type d -print)`; do
     copied=
@@ -326,17 +363,13 @@ slurp() {
       if test $file = Makefile.am; then
         copied=$copied${sep}gnulib.mk; sep=$nl
        remove_intl='/^[^#].*\/intl/s/^/#/'
-       no_dep=no-dependencies
-       remove_no_dep="/^AUTOMAKE_OPTIONS =.* $no_dep/s/ $no_dep//"
-       sed_xform="$remove_intl;$remove_no_dep"
-        sed "$sed_xform" $1/$dir/$file | cmp -s - $dir/gnulib.mk || {
+        sed "$remove_intl" $1/$dir/$file | cmp -s - $dir/gnulib.mk || {
          echo "$0: Copying $1/$dir/$file to $dir/gnulib.mk ..." &&
          rm -f $dir/gnulib.mk &&
-         sed "$sed_xform" $1/$dir/$file >$dir/gnulib.mk
+         sed "$remove_intl" $1/$dir/$file >$dir/gnulib.mk
        }
       elif { test "${2+set}" = set && test -r $2/$dir/$file; } ||
-          grep -F "/$file/" $dir/CVS/Entries 2>/dev/null |
-            grep -q '^/[^/]*/[0-9]'; then
+          version_controlled_file $dir $file; then
        echo "$0: $dir/$file overrides $1/$dir/$file"
       else
        copied=$copied$sep$file; sep=$nl
@@ -357,11 +390,13 @@ slurp() {
       fi || exit
     done
 
-    ig=$dir/.cvsignore
-    if test -n "$copied" && test -f $ig; then
-      echo "$copied" | sort -u - $ig | cmp -s - $ig ||
-      echo "$copied" | sort -u - $ig -o $ig || exit
-    fi
+    for dot_ig in .cvsignore .gitignore; do
+      ig=$dir/$dot_ig
+      if test -n "$copied" && test -f $ig; then
+       echo "$copied" | sort -u - $ig | cmp -s - $ig ||
+       echo "$copied" | sort -u - $ig -o $ig || exit
+      fi
+    done
   done
 }