[PR PATCH] blender: fix ftbfs on big endian ppc64 systems

[voidlinux-github@inbox.vuxu.org]

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There is a new pull request by q66 against master on the void-packages repository

https://github.com/void-ppc/void-packages blender-be
https://github.com/void-linux/void-packages/pull/15339

blender: fix ftbfs on big endian ppc64 systems


A patch file from https://github.com/void-linux/void-packages/pull/15339.patch is attached

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From 98ca493a989c94a0456116251311a633c9284601 Mon Sep 17 00:00:00 2001
From: q66 <daniel@octaforge.org>
Date: Fri, 11 Oct 2019 16:51:55 +0200
Subject: [PATCH] blender: fix ftbfs on big endian ppc64 systems

[ci skip]
---
 srcpkgs/blender/patches/altivec-all.patch | 32 +++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 srcpkgs/blender/patches/altivec-all.patch

diff --git a/srcpkgs/blender/patches/altivec-all.patch b/srcpkgs/blender/patches/altivec-all.patch
new file mode 100644
index 00000000000..115e1ea6fd0
--- /dev/null
+++ b/srcpkgs/blender/patches/altivec-all.patch
@@ -0,0 +1,32 @@
+This applies a better workaround for C++ type conflicts
+in AltiVec/C++, allowing it to build on BE ppc(64).
+
+--- a/extern/clew/include/clew.h
++++ b/extern/clew/include/clew.h
+@@ -370,15 +370,18 @@ typedef unsigned int cl_GLenum;
+ 
+ /* Define basic vector types */
+ /* Workaround for ppc64el platform: conflicts with bool from C++. */
+-#if defined( __VEC__ ) && !(defined(__PPC64__) && defined(__LITTLE_ENDIAN__))
++#if defined(__VEC__)
+    #include <altivec.h>   /* may be omitted depending on compiler. AltiVec spec provides no way to detect whether the header is required. */
+-   typedef vector unsigned char     __cl_uchar16;
+-   typedef vector signed char       __cl_char16;
+-   typedef vector unsigned short    __cl_ushort8;
+-   typedef vector signed short      __cl_short8;
+-   typedef vector unsigned int      __cl_uint4;
+-   typedef vector signed int        __cl_int4;
+-   typedef vector float             __cl_float4;
++   #undef vector
++   #undef bool
++   #undef pixel
++   typedef __vector unsigned char     __cl_uchar16;
++   typedef __vector signed char       __cl_char16;
++   typedef __vector unsigned short    __cl_ushort8;
++   typedef __vector signed short      __cl_short8;
++   typedef __vector unsigned int      __cl_uint4;
++   typedef __vector signed int        __cl_int4;
++   typedef __vector float             __cl_float4;
+    #define  __CL_UCHAR16__  1
+    #define  __CL_CHAR16__   1
+    #define  __CL_USHORT8__  1