File 0001-removed-some-32bit-only-CMake-code.patch of Package gzdoom

From 9e76faff1f93688d035062913cc29b294b831576 Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@users.noreply.github.com>
Date: Thu, 20 Oct 2022 21:11:18 +0200
Subject: [PATCH] - removed some 32bit only CMake code.

---
 src/CMakeLists.txt |   25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

Index: gzdoom-g4.9.0/src/CMakeLists.txt
===================================================================
--- gzdoom-g4.9.0.orig/src/CMakeLists.txt
+++ gzdoom-g4.9.0/src/CMakeLists.txt
@@ -156,8 +156,33 @@ endif()
 
 # Decide on SSE setup
 
+# SSE only matters on 32-bit targets. We check compiler flags to know if we can do it.
+if( CMAKE_SIZEOF_VOID_P MATCHES "4" AND NOT CMAKE_OSX_ARCHITECTURES MATCHES ppc )
+		CHECK_CXX_COMPILER_FLAG( "-msse2 -mfpmath=sse" CAN_DO_MFPMATH )
+		CHECK_CXX_COMPILER_FLAG( -arch:SSE2 CAN_DO_ARCHSSE2 )
+		if( CAN_DO_MFPMATH )
+			set( SSE1_ENABLE "-msse -mfpmath=sse" )
+			set( SSE2_ENABLE "-msse2 -mfpmath=sse" )
+		elseif( CAN_DO_ARCHSSE2 )
+			set( SSE1_ENABLE -arch:SSE )
+			set( SSE2_ENABLE -arch:SSE2 )
+		endif()
+endif()
+
 if( X64 )
 	set( HAVE_MMX 1 )
+else( X64 )
+	set( SAFE_CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} )
+
+	if( DEM_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
+		set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmmx")
+	endif( DEM_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
+
+	CHECK_CXX_SOURCE_COMPILES("#include <mmintrin.h>
+		int main(void) { __m64 v = _m_from_int(0); }"
+		HAVE_MMX)
+
+	set( CMAKE_CXX_FLAGS ${SAFE_CMAKE_CXX_FLAGS} )
 endif( X64 )
 
 CHECK_CXX_SOURCE_COMPILES("#include <ppl.h>