48 lines
1.5 KiB
Diff
48 lines
1.5 KiB
Diff
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From 9e76faff1f93688d035062913cc29b294b831576 Mon Sep 17 00:00:00 2001
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From: Christoph Oelckers <coelckers@users.noreply.github.com>
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Date: Thu, 20 Oct 2022 21:11:18 +0200
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Subject: [PATCH] - removed some 32bit only CMake code.
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---
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src/CMakeLists.txt | 25 +++++++++++++++++++++++++
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1 file changed, 25 insertions(+)
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Index: gzdoom-g4.9.0/src/CMakeLists.txt
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===================================================================
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--- gzdoom-g4.9.0.orig/src/CMakeLists.txt
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+++ gzdoom-g4.9.0/src/CMakeLists.txt
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@@ -156,8 +156,33 @@ endif()
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# Decide on SSE setup
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+# SSE only matters on 32-bit targets. We check compiler flags to know if we can do it.
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+if( CMAKE_SIZEOF_VOID_P MATCHES "4" AND NOT CMAKE_OSX_ARCHITECTURES MATCHES ppc )
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+ CHECK_CXX_COMPILER_FLAG( "-msse2 -mfpmath=sse" CAN_DO_MFPMATH )
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+ CHECK_CXX_COMPILER_FLAG( -arch:SSE2 CAN_DO_ARCHSSE2 )
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+ if( CAN_DO_MFPMATH )
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+ set( SSE1_ENABLE "-msse -mfpmath=sse" )
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+ set( SSE2_ENABLE "-msse2 -mfpmath=sse" )
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+ elseif( CAN_DO_ARCHSSE2 )
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+ set( SSE1_ENABLE -arch:SSE )
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+ set( SSE2_ENABLE -arch:SSE2 )
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+ endif()
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+endif()
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+
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if( X64 )
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set( HAVE_MMX 1 )
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+else( X64 )
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+ set( SAFE_CMAKE_CXX_FLAGS ${CMAKE_CXX_FLAGS} )
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+
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+ if( DEM_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
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+ set( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mmmx")
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+ endif( DEM_CMAKE_COMPILER_IS_GNUCXX_COMPATIBLE )
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+
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+ CHECK_CXX_SOURCE_COMPILES("#include <mmintrin.h>
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+ int main(void) { __m64 v = _m_from_int(0); }"
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+ HAVE_MMX)
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+
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+ set( CMAKE_CXX_FLAGS ${SAFE_CMAKE_CXX_FLAGS} )
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endif( X64 )
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CHECK_CXX_SOURCE_COMPILES("#include <ppl.h>
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