From 73b71f0b85dd6c8181f2f11a427400d4870fabcc Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Wed, 23 Mar 2016 06:30:09 +0000
Subject: [PATCH] mips-linux-nat: Define _ABIO32 if not defined

This helps building gdb on mips64 on musl, since
musl does not provide sgidefs.h this define is
only defined when GCC is using o32 ABI, in that
case gcc emits it as built-in define and hence
it works ok for mips32

Upstream-Status: Pending
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 gdb/mips-linux-nat.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/gdb/mips-linux-nat.c b/gdb/mips-linux-nat.c
index 972b5db8e76..5e68538a3ba 100644
--- a/gdb/mips-linux-nat.c
+++ b/gdb/mips-linux-nat.c
@@ -41,6 +41,10 @@
 #ifndef PTRACE_GET_THREAD_AREA
 #define PTRACE_GET_THREAD_AREA 25
 #endif
+/* musl does not define and relies on compiler built-in macros for it   */
+#ifndef _ABIO32
+#define _ABIO32 1
+#endif
 
 class mips_linux_nat_target final : public linux_nat_trad_target
 {