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-rw-r--r--libguile/ports.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/libguile/ports.c b/libguile/ports.c
index 52a4dee28..52315df09 100644
--- a/libguile/ports.c
+++ b/libguile/ports.c
@@ -43,6 +43,10 @@
/* Headers. */
+#if HAVE_CONFIG_H
+# include <config.h>
+#endif
+
#include <stdio.h>
#include <errno.h>