From fa8fc078df64e9571accd7fdb9cbfb7616428573 Mon Sep 17 00:00:00 2001
From: Mateusz Pusz <mateusz.pusz@gmail.com>
Date: Thu, 15 Jun 2023 17:38:59 +0300
Subject: [PATCH] fix: forgot to add hacks header to `ratio`

---
 src/core/include/mp-units/bits/ratio.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/core/include/mp-units/bits/ratio.h b/src/core/include/mp-units/bits/ratio.h
index 89c4a52c..529d4d17 100644
--- a/src/core/include/mp-units/bits/ratio.h
+++ b/src/core/include/mp-units/bits/ratio.h
@@ -23,6 +23,7 @@
 #pragma once
 
 #include <gsl/gsl-lite.hpp>
+#include <mp-units/bits/external/hacks.h>
 #include <compare>
 #include <cstdint>
 #include <numeric>