From: Andrea Mondelli <Andrea.Mondelli@ucf.edu>
Date: Mon, 4 Feb 2019 20:12:40 +0000 (-0500)
Subject: sim: added missed macro definition on MacOS
X-Git-Tag: v19.0.0.0~1190
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=930979744009b4cec970bb9e851cff3259c895b8;p=gem5.git

sim: added missed macro definition on MacOS

A recent patch add the use of the macro:
CMSG_ALIGN
This macro is not very cross-platform, and needs to be
defined according to the platform.

This patch defines the missing macro on MacOS.

Change-Id: I582f69e652dc060b4532358141179ad6d37eafc7
Reviewed-on: https://gem5-review.googlesource.com/c/16102
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Brandon Potter <Brandon.Potter@amd.com>
---

diff --git a/src/sim/syscall_emul.hh b/src/sim/syscall_emul.hh
index ceeacd39b..5ba487c7c 100644
--- a/src/sim/syscall_emul.hh
+++ b/src/sim/syscall_emul.hh
@@ -116,6 +116,10 @@
 #include "sim/syscall_emul_buf.hh"
 #include "sim/syscall_return.hh"
 
+#if defined(__APPLE__) && defined(__MACH__) && !defined(CMSG_ALIGN)
+#define CMSG_ALIGN(len) (((len) + sizeof(size_t) - 1) & ~(sizeof(size_t) - 1))
+#endif
+
 //////////////////////////////////////////////////////////////////////
 //
 // The following emulation functions are generic enough that they