shithub: choc

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ref: 9eab7159e57ac633387066c1d239e651a3c45f4c
parent: d9738a5372f57076cc0bce79855f2974beee1c08
author: Rodrigo Rebello <rprebello@gmail.com>
date: Thu Oct 22 07:29:55 EDT 2015

Fix "`gcc_struct' attribute directive ignored" warnings

Compilation for target architectures other than i386, x86_64 or PowerPC
(e.g. ARM) caused multiple warnings like the following to appear:

  doomdata.h:75:1: warning: ‘gcc_struct’ attribute directive ignored
   } PACKEDATTR mapsidedef_t;
   ^

This was due to 'gcc_struct' being undefined for these architectures.
Since that attribute was actually introduced by commit 87db726b9a9ae61ca
to address the fact that -mms-bitfields became the default for GCC on
Windows, limit it to that case.

--- a/src/doomtype.h

+++ b/src/doomtype.h

@@ -52,10 +52,10 @@

 #ifdef __GNUC__

-#ifdef __clang__

-#define PACKEDATTR __attribute__((packed))

-#else

+#if defined(_WIN32) && !defined(__clang__)

 #define PACKEDATTR __attribute__((packed,gcc_struct))

+#else

+#define PACKEDATTR __attribute__((packed))

 #endif

 #else