1 files changed, 1 insertions, 0 deletions
diff --git a/aclocal.m4 b/aclocal.m4
index 16992bfd..fadda165 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1298,6 +1298,7 @@ AC_SUBST([am__untar])
 m4_include([m4/ax_append_compile_flags.m4])
 m4_include([m4/ax_append_flag.m4])
 m4_include([m4/ax_check_compile_flag.m4])
+m4_include([m4/ax_check_define.m4])
 m4_include([m4/ax_cxx_compile_stdcxx.m4])
 m4_include([m4/ax_pthread.m4])
 m4_include([m4/ax_require_defined.m4])