update from texinfo

[gnulib.git] / build-aux / bootstrap

diff --git a/build-aux/bootstrap b/build-aux/bootstrap
index 74fa3eb..2087bab 100755 (executable)
--- a/build-aux/bootstrap
+++ b/build-aux/bootstrap
@@ -49,7 +49,7 @@ Options:
                           not to have been checked out.
  --skip-po                Do not download po files.
 
-If the file bootstrap.conf exists in the current working directory, its
+If the file $0.conf exists in the same directory as this script, its
 contents are read as shell variables to configure the bootstrap.
 
 Running without arguments will suffice in most cases.
@@ -146,7 +146,13 @@ copy=false
 vc_ignore=auto
 
 # Override the default configuration, if necessary.
-test -r bootstrap.conf && . ./bootstrap.conf
+# Make sure that bootstrap.conf is sourced from the current directory
+# if we were invoked as "sh bootstrap".
+case "$0" in
+  */*) test -r "$0.conf" && . "$0.conf" ;;
+  *) test -r "$0.conf" && . ./"$0.conf" ;;
+esac
+
 
 if test "$vc_ignore" = auto; then
   vc_ignore=
@@ -218,27 +224,65 @@ fi
 
 echo "$0: Bootstrapping from checked-out $package sources..."
 
+# 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
+
+
 cleanup_gnulib() {
   status=$?
   rm -fr gnulib
   exit $status
 }
 
+git_modules_config () {
+  GIT_CONFIG_LOCAL=.gitmodules git config "$@"
+}
+
 # Get gnulib files.
 
 case ${GNULIB_SRCDIR--} in
 -)
-  if [ ! -d gnulib ]; then
+  if git_modules_config submodule.gnulib.url >/dev/null; then
+    echo "$0: getting gnulib files..."
+    git submodule init || exit $?
+    git submodule update || exit $?
+
+  elif [ ! -d gnulib ]; then
     echo "$0: getting gnulib files..."
 
     trap cleanup_gnulib 1 2 13 15
 
-    git clone --depth 2 git://git.sv.gnu.org/gnulib ||
+    git clone --help|grep depth > /dev/null && shallow='--depth 2' || shallow=
+    git clone $shallow git://git.sv.gnu.org/gnulib ||
       cleanup_gnulib
 
     trap - 1 2 13 15
   fi
   GNULIB_SRCDIR=gnulib
+  ;;
+*)
+  # Redirect the gnulib submodule to the directory on the command line
+  # if possible.
+  if test -d "$GNULIB_SRCDIR"/.git && \
+       git_modules_config submodule.gnulib.url >/dev/null; then
+    git submodule init
+    GNULIB_SRCDIR=`cd $GNULIB_SRCDIR && pwd`
+    git config --replace-all submodule.gnulib.url $GNULIB_SRCDIR
+    echo "$0: getting gnulib files..."
+    git submodule update || exit $?
+    GNULIB_SRCDIR=gnulib
+  fi
+  ;;
 esac
 
 gnulib_tool=$GNULIB_SRCDIR/gnulib-tool
@@ -554,8 +598,16 @@ for command in \
   'automake --add-missing --copy --force-missing';
 do
   if test "$command" = libtool; then
-    grep '^[    ]*AM_PROG_LIBTOOL\>' configure.ac >/dev/null ||
-      continue
+    use_libtool=0
+    # We'd like to use grep -E, to see if any of LT_INIT,
+    # AC_PROG_LIBTOOL, AM_PROG_LIBTOOL is used in configure.ac,
+    # but that's not portable enough (e.g., for Solaris).
+    grep '^[    ]*A[CM]_PROG_LIBTOOL' configure.ac >/dev/null \
+      && use_libtool=1
+    grep '^[    ]*LT_INIT' configure.ac >/dev/null \
+      && use_libtool=1
+    test $use_libtool = 0 \
+      && continue
     command='libtoolize -c -f'
   fi
   echo "$0: $command ..."