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-rw-r--r--config.h.in4
1 files changed, 4 insertions, 0 deletions
diff --git a/config.h.in b/config.h.in
index 800fe15720..485f86170f 100644
--- a/config.h.in
+++ b/config.h.in
@@ -30,6 +30,10 @@
#define HAVE_WEAK_SYMBOLS
#endif
#endif
+
+/* Define to use GNU libio instead of GNU stdio.
+ This is defined by configure under --enable-libio. */
+#undef USE_IN_LIBIO
/* */
/* These symbols might be defined by some sysdeps configures. */