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Copied from Debian:
https://anonscm.debian.org/cgit/pkg-games/lierolibre.git/tree/debian/patches/0001-Use-unaligned-access-define-over-checking-arch.patch?id=82910748906855f6e6bfe30b3f077e8c793ae424
From a70691fb003cae1a33f06d682269285f9baa2dd9 Mon Sep 17 00:00:00 2001
From: Martin Erik Werner <martinerikwerner@gmail.com>
Date: Sun, 28 Jun 2015 19:00:23 +0200
Subject: [PATCH 2/3] At least try building for other archs than x86*
Allow attempting to build for other architectures than x86 and x86_64,
whether or not the build will succeed or produce sane output is another
question... It emits plenty of warnings about it now though...
Configuration of the FPU controller is disabled on all but x86*, and the
uninformed hope and prayer is that defaults will be fine without messing
with them.
---
math/ieee.cpp | 2 ++
support/platform.h | 4 ++--
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/gvl/math/ieee.cpp b/src/gvl/math/ieee.cpp
index 8b740d4..e0803d2 100644
--- a/src/gvl/math/ieee.cpp
+++ b/src/gvl/math/ieee.cpp
@@ -54,6 +54,8 @@ void gvl_init_ieee()
{
#if GVL_MSVCPP
// Nothing needs to be done, TODO: we should however check that the x87 state is right
+#elif !GVL_X86 && !GVL_X86_64
+// No idea what to do, but run with defaults and pray it doesn't mess things up
#elif GVL_GCC && GVL_WIN32
unsigned int const flags = _RC_NEAR | _PC_53 | _EM_INVALID | _EM_DENORMAL | _EM_ZERODIVIDE | _EM_OVERFLOW | _EM_UNDERFLOW | _EM_INEXACT;
_control87(flags, _MCW_EM | _MCW_PC | _MCW_RC);
diff --git a/src/gvl/support/platform.h b/src/gvl/support/platform.h
index 86dcaa6..1857b7c 100644
--- a/src/gvl/support/platform.h
+++ b/src/gvl/support/platform.h
@@ -88,12 +88,12 @@
# elif defined(__i386__) || defined(_M_IX86) || defined(i386) || defined(i486) || defined(intel) || defined(x86) || defined(i86pc)
# define GVL_X86 1
# else
-# error "Unknown architecture, please add it"
+# warning "Unknown architecture, please add it"
# endif
#endif
#if !GVL_LITTLE_ENDIAN && !GVL_BIG_ENDIAN
-# if GVL_X86 || GVL_X86_64
+# if GVL_X86 || GVL_X86_64 || __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN
# define GVL_LITTLE_ENDIAN 1
# else
# define GVL_BIG_ENDIAN 1
--
2.4.6
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