diff options
| -rw-r--r-- | m4/stl_hash.m4 | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/m4/stl_hash.m4 b/m4/stl_hash.m4 index 0722b14a..dd77caab 100644 --- a/m4/stl_hash.m4 +++ b/m4/stl_hash.m4 @@ -53,6 +53,9 @@ AC_DEFUN([AC_CXX_STL_HASH], if test -n "$ac_cv_cxx_hash_map"; then AC_DEFINE(HAVE_HASH_MAP, 1, [define if the compiler has hash_map]) AC_DEFINE(HAVE_HASH_SET, 1, [define if the compiler has hash_set]) + if test "$ac_cv_cxx_hash_map_class" = "unordered_map"; then + AC_DEFINE(HAVE_UNORDERED_MAP, 1, [define if the hash_map class is unordered_map]) + fi AC_DEFINE_UNQUOTED(HASH_MAP_H,$ac_cv_cxx_hash_map, [the location of <unordered_map> or <hash_map>]) AC_DEFINE_UNQUOTED(HASH_SET_H,$ac_cv_cxx_hash_set, |