diff --git a/lang/gcc16/files/patch-include_libiberty.h b/lang/gcc16/files/patch-include_libiberty.h
new file mode 100644
index 000000000000..859794a15f90
--- /dev/null
+++ b/lang/gcc16/files/patch-include_libiberty.h
@@ -0,0 +1,11 @@
+--- include/libiberty.h.orig	2026-04-30 08:33:28 UTC
++++ include/libiberty.h
+@@ -217,7 +217,7 @@ extern int mkstemps(char *, int);
+ 
+ /* Make memrchr available on systems that do not have it.  */
+ #if !defined (__GNU_LIBRARY__ ) && !defined (__linux__) && \
+-    !defined (HAVE_MEMRCHR)
++    !defined (__FreeBSD__) && !defined (HAVE_MEMRCHR)
+ extern void *memrchr(const void *, int, size_t);
+ #endif
+