diff --git a/tools/gnulib/patches/160-flag-reallocarray.patch b/tools/gnulib/patches/160-flag-reallocarray.patch
new file mode 100644
index 0000000..8ffe273
--- /dev/null
+++ b/tools/gnulib/patches/160-flag-reallocarray.patch
@@ -0,0 +1,115 @@
+--- a/lib/ialloc.h
++++ b/lib/ialloc.h
+@@ -106,6 +106,8 @@ icalloc (idx_t n, idx_t s)
+   return calloc (n, s);
+ }
+ 
++#if GNULIB_REALLOCARRAY
++
+ /* ireallocarray (ptr, num, size) is like reallocarray (ptr, num, size).
+    It returns a non-NULL pointer to num * size bytes of memory.
+    Upon failure, it returns NULL with errno set.  */
+@@ -131,6 +133,8 @@ ireallocarray (void *p, idx_t n, idx_t s
+     return _gl_alloc_nomem ();
+ }
+ 
++#endif /* GNULIB_REALLOCARRAY */
++
+ #ifdef __cplusplus
+ }
+ #endif
+--- a/lib/xmalloc.c
++++ b/lib/xmalloc.c
+@@ -51,12 +51,16 @@ ximalloc (idx_t s)
+   return nonnull (imalloc (s));
+ }
+ 
++#if GNULIB_REALLOCARRAY
++
+ char *
+ xcharalloc (size_t n)
+ {
+   return XNMALLOC (n, char);
+ }
+ 
++#endif /* GNULIB_REALLOCARRAY */
++
+ /* Change the size of an allocated block of memory P to S bytes,
+    with error checking.  */
+ 
+@@ -75,6 +79,8 @@ xirealloc (void *p, idx_t s)
+   return nonnull (irealloc (p, s));
+ }
+ 
++#if GNULIB_REALLOCARRAY
++
+ /* Change the size of an allocated block of memory P to an array of N
+    objects each of S bytes, with error checking.  */
+ 
+@@ -205,6 +211,8 @@ x2nrealloc (void *p, size_t *pn, size_t
+   return p;
+ }
+ 
++#endif /* GNULIB_REALLOCARRAY */
++
+ /* Grow PA, which points to an array of *PN items, and return the
+    location of the reallocated array, updating *PN to reflect its
+    new size.  The new array will contain at least N_INCR_MIN more
+--- a/lib/xalloc.h
++++ b/lib/xalloc.h
+@@ -129,6 +129,7 @@ char *xstrdup (char const *str)
+ # define XCALLOC(n, t) \
+     ((t *) (sizeof (t) == 1 ? xzalloc (n) : xcalloc (n, sizeof (t))))
+ 
++# if GNULIB_REALLOCARRAY
+ 
+ /* Allocate an array of N objects, each with S bytes of memory,
+    dynamically, with error checking.  S must be nonzero.  */
+@@ -156,6 +157,8 @@ char *xcharalloc (size_t n)
+   _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE
+   _GL_ATTRIBUTE_ALLOC_SIZE ((1)) _GL_ATTRIBUTE_RETURNS_NONNULL;
+ 
++# endif /* GNULIB_REALLOCARRAY */
++
+ #endif /* GNULIB_XALLOC */
+ 
+ 
+--- a/lib/safe-alloc.h
++++ b/lib/safe-alloc.h
+@@ -36,6 +36,8 @@ _GL_INLINE_HEADER_BEGIN
+ # define SAFE_ALLOC_INLINE _GL_INLINE
+ #endif
+ 
++#if GNULIB_REALLOCARRAY
++
+ /* Don't call these directly - use the macros below.  */
+ SAFE_ALLOC_INLINE void *
+ safe_alloc_realloc_n (void *ptr, size_t count, size_t size)
+@@ -51,6 +53,9 @@ safe_alloc_realloc_n (void *ptr, size_t
+ #endif
+   return ptr;
+ }
++
++#endif /* GNULIB_REALLOCARRAY */
++
+ _GL_ATTRIBUTE_NODISCARD SAFE_ALLOC_INLINE int
+ safe_alloc_check (void *ptr)
+ {
+@@ -84,6 +89,8 @@ safe_alloc_check (void *ptr)
+ #define ALLOC_N(ptr, count) \
+   safe_alloc_check ((ptr) = calloc (count, sizeof *(ptr)))
+ 
++#if GNULIB_REALLOCARRAY
++
+ /**
+  * ALLOC_N_UNINITIALIZED:
+  * @ptr: pointer to allocated memory
+@@ -112,6 +119,8 @@ safe_alloc_check (void *ptr)
+ #define REALLOC_N(ptr, count) \
+   safe_alloc_check ((ptr) = safe_alloc_realloc_n (ptr, count, sizeof *(ptr)))
+ 
++#endif /* GNULIB_REALLOCARRAY */
++
+ /**
+  * FREE:
+  * @ptr: pointer holding address to be freed