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-rw-r--r--Src/system.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/Src/system.h b/Src/system.h
index 377cd173e..340f4693b 100644
--- a/Src/system.h
+++ b/Src/system.h
@@ -153,6 +153,10 @@ char *alloca _((size_t));
 # include <stdlib.h>
 #endif
 
+#ifdef HAVE_STDARG_H
+# include <stdarg.h>
+#endif
+
 #ifdef HAVE_ERRNO_H
 # include <errno.h>
 #endif