diff --git a/devel/boost-libs/files/patch-boost_charconv_detail_config.hpp b/devel/boost-libs/files/patch-boost_charconv_detail_config.hpp
new file mode 100644
index 000000000000..35e4bd9f4689
--- /dev/null
+++ b/devel/boost-libs/files/patch-boost_charconv_detail_config.hpp
@@ -0,0 +1,11 @@
+--- boost/charconv/detail/config.hpp.orig	2025-08-06 18:49:08 UTC
++++ boost/charconv/detail/config.hpp
+@@ -197,6 +197,8 @@
+ 
+ #define BOOST_CHARCONV_LDBL_IS_FLOAT128
+ #define BOOST_CHARCONV_UNSUPPORTED_LONG_DOUBLE
++#if defined(__GNUC__) && !defined(__clang__)
+ static_assert(std::is_same<long double, __float128>::value, "__float128 should be an alias to long double. Please open an issue at: https://github.com/boostorg/charconv");
++#endif
+ 
+ #endif