From e1436873a3391aa3f97e044a87699b0788835241 Mon Sep 17 00:00:00 2001
From: Andrew Kelley <andrew@ziglang.org>
Date: Thu, 16 Dec 2021 00:45:45 -0700
Subject: [PATCH] glibc: don't pass -frounding-math

glibc wants this flag but clang (our C compiler) does not support it.
---
 src/glibc.zig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/glibc.zig b/src/glibc.zig
index 462423fa12..d0f358a03f 100644
--- a/src/glibc.zig
+++ b/src/glibc.zig
@@ -317,7 +317,8 @@ pub fn buildCRTFile(comp: *Compilation, crt_file: CRTFile) !void {
                     "-std=gnu11",
                     "-fgnu89-inline",
                     "-fmerge-all-constants",
-                    "-frounding-math",
+                    // glibc sets this flag but clang does not support it.
+                    // "-frounding-math",
                     "-fno-stack-protector",
                     "-fno-common",
                     "-fmath-errno",