1 files changed, 2 insertions, 0 deletions

diff --git a/dln.c b/dln.c
index 4e39bc8afb..1ad9a8ac45 100644
--- a/dln.c
+++ b/dln.c
@@ -24,7 +24,9 @@
 #undef USE_DLN_DLOPEN
 #endif
 
+#ifdef USE_DLN_A_OUT
 char *dln_argv0;
+#endif
 void rb_loaderror();
 
 #ifdef _AIX