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-rw-r--r--sysdeps/unix/sysv/linux/_G_config.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/_G_config.h b/sysdeps/unix/sysv/linux/_G_config.h
index ccb84ad8f7..9ad897644e 100644
--- a/sysdeps/unix/sysv/linux/_G_config.h
+++ b/sysdeps/unix/sysv/linux/_G_config.h
@@ -9,6 +9,7 @@
 #include <bits/types.h>
 #define __need_size_t
 #define __need_wint_t
+#define __need_NULL
 #include <stddef.h>
 #ifndef _WINT_T
 /* Integral type unchanged by default argument promotions that can