Fix compilation if readline library is not present.

[libguestfs.git] / autogen.sh

diff --git a/autogen.sh b/autogen.sh
index 3f97995..bd15a27 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -20,11 +20,52 @@
 
 set -e
 set -v
-export AUTOMAKE='automake --foreign'
-aclocal
-libtoolize
-autoreconf -i
-pushd daemon
-autoreconf -i
-popd
-./configure "$@"
+
+# Ensure that whenever we pull in a gnulib update or otherwise change to a
+# different version (i.e., when switching branches), we also rerun ./bootstrap.
+curr_status=.git-module-status
+t=$(git submodule status)
+if test "$t" = "$(cat $curr_status 2>/dev/null)"; then
+    : # good, it's up to date
+else
+    echo running bootstrap...
+    ./bootstrap && echo "$t" > $curr_status
+fi
+
+CONFIGUREDIR=.
+
+# Run configure in BUILDDIR if it's set
+if [ ! -z "$BUILDDIR" ]; then
+    mkdir -p $BUILDDIR
+    cd $BUILDDIR
+
+    CONFIGUREDIR=..
+fi
+
+# Ensure that an ocaml package is present for build-from sources.
+# This is *not* for anything that is required at configure-time
+# when configure is run from a distribution tarball.  From those,
+# nothing ocaml-related is required.
+require_ocaml_pkg()
+{
+  pkg=$1
+  test -d .git || return 1
+  url=$(git config remote.origin.url) || return 1
+  case $url in
+    *git.et.redhat.com/libguestfs.git) ;;
+    *) return 1;;
+  esac
+  ocamlfind query "$pkg" || return 1
+  return 0
+}
+
+require_ocaml_pkg xml-light \
+  || { echo "you must have ocaml, ocamlfind and ocaml-xml-light"; exit 1; }
+
+# If no arguments were specified and configure has run before, use the previous
+# arguments
+if [ $# == 0 -a -x ./config.status ]; then
+    ./config.status --recheck
+else
+    $CONFIGUREDIR/configure "$@"
+fi