fix C++ non-const narrowing errors on LP64-clang archs other than amd64; ok jca@

games/eduke32/Makefile

@@ -1,10 +1,11 @@
-# $OpenBSD: Makefile,v 1.16 2017/11/30 03:32:32 kirby Exp $
+# $OpenBSD: Makefile,v 1.17 2018/07/10 13:53:29 naddy Exp $
 
 COMMENT =	Enhanced Duke Nukem 3D engine
 RDATE =		20171105
 RTAG =		6496
 DISTNAME =	eduke32_src_${RDATE}-${RTAG}
 PKGNAME =	eduke32-2.0.0.${RTAG}
+REVISION =	0
 EXTRACT_SUFX =	.tar.xz
 CATEGORIES =	games x11
 

games/eduke32/patches/patch-source_build_include_compat_h

@@ -0,0 +1,18 @@
+$OpenBSD: patch-source_build_include_compat_h,v 1.1 2018/07/10 13:53:29 naddy Exp $
+
+Cast to int32_t to match the return type of the SSE2-optimized function
+on amd64.  This fixes errors on other LP64-clang archs:
+non-constant-expression cannot be narrowed from type 'long' to 'int32_t'
+
+Index: source/build/include/compat.h
+--- source/build/include/compat.h.orig
++++ source/build/include/compat.h
+@@ -606,7 +606,7 @@ static FORCE_INLINE int32_t Blrintf(const float x)
+     return n;
+ }
+ #else
+-#define Blrintf lrintf
++#define Blrintf(x) static_cast<int32_t>(lrintf(x))
+ #endif
+ 
+ #if defined(__arm__)