todo: Remove obsolete items from TODO file.

[libguestfs.git] / autogen.sh

diff --git a/autogen.sh b/autogen.sh
index fa2af25..19cca0e 100755 (executable)
--- a/autogen.sh
+++ b/autogen.sh
@@ -20,11 +20,58 @@
 
 set -e
 set -v
-export AUTOMAKE='automake --foreign'
-aclocal
-libtoolize
-autoreconf
-pushd daemon
-autoreconf
-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|sed 's/^[ +-]//;s/ .*//')
+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.
+# ocamlfind cannot detect the presence of -devel packages directly,
+# so if $pkg ends in -devel, first check for the base package, and
+# if that's found, check for the existence of $base.cmxa in the
+# resulting directory.
+require_ocaml_pkg()
+{
+  pkg=$1
+  case $pkg in
+    *-devel)
+      local base=${pkg%%-devel}
+      local dir=$(ocamlfind query "$base") || return 1
+      test -f "$dir/$base.cmxa" || return 1
+      ;;
+    *) ocamlfind query "$pkg" > /dev/null 2>&1 || return 1;;
+  esac
+  return 0
+}
+
+{ require_ocaml_pkg xml-light && require_ocaml_pkg xml-light-devel; } \
+  || { echo "you must have ocaml, ocamlfind, ocaml-xml-light" \
+         "and ocaml-xml-light-devel" >&2; exit 1; }
+
+# If no arguments were specified and configure has run before, use the previous
+# arguments
+if test $# == 0 && test -x ./config.status; then
+    ./config.status --recheck
+else
+    $CONFIGUREDIR/configure "$@"
+fi