diff --git a/.gitignore b/.gitignore
index a84f04b2..590192dc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 /aclocal.m4
 /autom4te.cache/
+/build-aux/
 /compile
 /config.*
 /configure
diff --git a/configure.ac b/configure.ac
index d94e50d8..e46f8d52 100644
--- a/configure.ac
+++ b/configure.ac
@@ -11,6 +11,7 @@ AC_LANG([C++])
 LT_INIT
 AM_PROG_CC_C_O
 
+AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_HEADERS([config.h])