From 4eaf3c665e8c0b028a7ea02a0fbcb1950c8b1a25 Mon Sep 17 00:00:00 2001
From: mlarouche <michael.larouche@gmail.com>
Date: Tue, 16 Nov 2021 12:45:33 -0500
Subject: [PATCH] Fix linking errors with floorl on MSVC by including math.h in
 a .cpp file. floorl is a force inline function defined in a header thus not
 visible for the linker.

---
 src/stage1/os.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/stage1/os.cpp b/src/stage1/os.cpp
index 89a9dcc944..776d2a2915 100644
--- a/src/stage1/os.cpp
+++ b/src/stage1/os.cpp
@@ -41,6 +41,7 @@
 #include <io.h>
 #include <fcntl.h>
 #include <ntsecapi.h>
+#include <math.h>
 
 // Workaround an upstream LLVM issue.
 // See https://github.com/ziglang/zig/issues/7614#issuecomment-752939981