From c172ebdfd3bfc47c8ea71fa26758baf87a8a25d2 Mon Sep 17 00:00:00 2001
From: Thomas Vigouroux <tomvig38@gmail.com>
Date: Thu, 6 Aug 2020 10:59:15 +0200
Subject: [PATCH] add compiler-rt fallbacks on aarch64-musl

---
 build.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/build.rs b/build.rs
index a3b722a..f948edb 100644
--- a/build.rs
+++ b/build.rs
@@ -419,6 +419,18 @@ mod c {
             if target_os != "windows" {
                 sources.extend(&[("__multc3", "multc3.c")]);
             }
+
+            if target_env == "musl" {
+                sources.extend(&[
+                    ("__addtf3", "addtf3.c"),
+                    ("__multf3", "multf3.c"),
+                    ("__subtf3", "subtf3.c"),
+                    ("__divtf3", "divtf3.c"),
+                    ("__powitf2", "powitf2.c"),
+                    ("__fe_getround", "fp_mode.c"),
+                    ("__fe_raise_inexact", "fp_mode.c"),
+                ]);
+            }
         }
 
         if target_arch == "mips" {