From a5cc1b27686ef8d903bcd9876dae1fc285f103ea Mon Sep 17 00:00:00 2001
From: Christopher Wellons <wellons@nullprogram.com>
Date: Sat, 20 Jun 2026 09:06:41 -0400
Subject: [PATCH] Add note about libiconv (#68, #403)

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index a4cda57..00b2f22 100644
--- a/README.md
+++ b/README.md
@@ -210,6 +210,9 @@ ported to Mingw-w64][san] ([also][san2]), but Undefined Behavior Sanitizer
 `-fsanitize-trap`, GDB will [break precisely][break] on undefined
 behavior, and it does not require linking with libsanitizer.
 
+GCC is built without libiconv, required by options `-finput-charset` and
+`-fexec-charset`.
+
 ## Licenses
 
 When distributing binaries built using w64devkit, your .exe will include