diff --git a/.gitignore b/.gitignore
index 28bcbae5e2c62dd4e721d9335f00e17b08c5f1f7..bc5db0b3efc0676af1f9fea25bfa1e161552f5f7 100644
--- a/.gitignore
+++ b/.gitignore
@@ -21,6 +21,7 @@ Makefile.in
 
 # Configure stage files:
 .deps
+/a.out
 /config.log
 /config.lt
 /config.status
diff --git a/configure.ac b/configure.ac
index 6dae42952bf161df7b6b98268481029a50e2b38b..8d79b913c5239b6068c2df27a958574169e17e93 100644
--- a/configure.ac
+++ b/configure.ac
@@ -118,6 +118,8 @@ AM_PROG_CC_C_O
 AC_PROG_FC_C_O
 # Set up libtool.
 ACX_USE_LIBTOOL_CONFIGURATION
+dnl Clean up after Libtool checks:
+rm -f a.out
 AC_SUBST([lt_cv_nm_interface])
 dnl ######################################################################
 dnl Properties of the compiler