--- a/src/configure.ac
+++ b/src/configure.ac
@@ -181,10 +181,9 @@
# absolute performance (more about impact on usability and total
# resources used).
AC_ARG_ENABLE(idxthreads,
- AC_HELP_STRING([--enable-idxthreads],
- [Enable multithread indexing. This can somewhat boost indexing
- performance.]),
- idxthreadsEnabled=$enableval, idxthreadsEnabled=no)
+ AC_HELP_STRING([--disable-idxthreads],
+ [Disable multithread indexing.]),
+ idxthreadsEnabled=$enableval, idxthreadsEnabled=yes)
if test X$idxthreadsEnabled = Xyes ; then
AC_DEFINE(IDX_THREADS, 1, [Use multiple threads for indexing])