All function classes listed in gcc/coretypes.h are supported by musl.
Most of the optimizations based on these function classes are not
relevant for standard conform c code, but this is required to get
rid of some test system noise.
gcc/
2016-07-20 Szabolcs Nagy <szabolcs.n...@arm.com>
* config/linux.c (linux_libc_has_function): Return true on musl.
From 294b908f9a7577bcfe8036a601262ca0bc7c2ca2 Mon Sep 17 00:00:00 2001
From: Szabolcs Nagy <n...@port70.net>
Date: Fri, 6 Nov 2015 23:59:20 +0000
Subject: [PATCH 2/7] linux_libc_has_function
---
gcc/config/linux.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/config/linux.c b/gcc/config/linux.c
index 2081e34..37515bf 100644
--- a/gcc/config/linux.c
+++ b/gcc/config/linux.c
@@ -26,7 +26,7 @@ along with GCC; see the file COPYING3. If not see
bool
linux_libc_has_function (enum function_class fn_class)
{
- if (OPTION_GLIBC)
+ if (OPTION_GLIBC || OPTION_MUSL)
return true;
if (OPTION_BIONIC)
if (fn_class == function_c94
--
2.4.1
