diff --git a/lib/libc/include/generic-glibc/features.h b/lib/libc/include/generic-glibc/features.h
index 4ce2687602..1f8a5695fd 100644
--- a/lib/libc/include/generic-glibc/features.h
+++ b/lib/libc/include/generic-glibc/features.h
@@ -469,6 +469,11 @@
 # define __GLIBC_USE_DEPRECATED_SCANF 0
 #endif
 
+
+/* support for ISO C2X strtol was added in 2.38
+ * glibc commit 64924422a99690d147a166b4de3103f3bf3eaf6c
+ */
+#if (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 38) || __GLIBC__ > 2
 /* ISO C2X added support for a 0b or 0B prefix on binary constants as
    inputs to strtol-family functions (base 0 or 2).  This macro is
    used to condition redirection in headers to allow that redirection
@@ -479,6 +484,9 @@
 #else
 # define __GLIBC_USE_C2X_STRTOL 0
 #endif
+#else	/* glibc 2.37 or lower */
+# define __GLIBC_USE_C2X_STRTOL 0
+#endif
 
 /* Get definitions of __STDC_* predefined macros, if the compiler has
    not preincluded this header automatically.  */