+# Libarchive support
+# ----------------------------------------------------------------------
+
+AC_ARG_ENABLE([archive],
+ AC_HELP_STRING([--disable-archive], [disable archive support]),
+ [libarchive=$enableval], [libarchive=auto])
+
+if test "x${libarchive}" != "xno"; then
+ PKG_CHECK_MODULES(ARCHIVE, libarchive >= 3.4.0,
+ [
+ HAVE_ARCHIVE=yes
+ AC_DEFINE(HAVE_ARCHIVE, 1, [define to enable archive support])
+ ],
+ [
+ HAVE_ARCHIVE=no
+ AC_MSG_WARN([$ARCHIVE_PKG_ERRORS])
+ ])
+else
+ HAVE_ARCHIVE=disabled
+fi
+
+AM_CONDITIONAL(HAVE_ARCHIVE, [test "x$HAVE_ARCHIVE" = xyes])
+AC_SUBST(ARCHIVE_CFLAGS)
+AC_SUBST(ARCHIVE_LIBS)
+