[llvm-branch-commits] [flang] release/20.x: [flang] Fix building on aarch64 *BSD and musl libc after 9d8dc45d17088300e9e2086594ca581b119193c8 (#125183) (PR #125254)

[via llvm-branch-commits]

https://github.com/llvmbot created https://github.com/llvm/llvm-project/pull/125254

Backport e31c6c97b795e57a7b1ee31ad37eced40c6305ed

Requested by: @brad0

>From 0d748aa721b99865fb33fa8748b2cd8d8707af75 Mon Sep 17 00:00:00 2001
From: Brad Smith <brad at comstyle.com>
Date: Fri, 31 Jan 2025 11:49:28 -0500
Subject: [PATCH] [flang] Fix building on aarch64 *BSD and musl libc after
 9d8dc45d17088300e9e2086594ca581b119193c8 (#125183)

The fpu_control.h header appears to be GLIBC specific.

(cherry picked from commit e31c6c97b795e57a7b1ee31ad37eced40c6305ed)
---
 flang/runtime/exceptions.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/flang/runtime/exceptions.cpp b/flang/runtime/exceptions.cpp
index b41c7cf438f569..114d23b5b07f8c 100644
--- a/flang/runtime/exceptions.cpp
+++ b/flang/runtime/exceptions.cpp
@@ -11,7 +11,7 @@
 #include "flang/Runtime/exceptions.h"
 #include "terminator.h"
 #include <cfenv>
-#if defined(__aarch64__) && !defined(_WIN32)
+#if defined(__aarch64__) && defined(__GLIBC__)
 #include <fpu_control.h>
 #elif defined(__x86_64__)
 #include <xmmintrin.h>