# HG changeset patch
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# User Bertrand Jacquin <bertrand@jacquin.bzh>
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# Date 1444431941 -3600
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# Node ID 5c6d2a6f2f9a0534933cc999b3845be4344e1af0
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# Parent b6156a08b1def3584647f26096866c1a0c11e54a
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build: Disable -march selection from CMakeLists.txt
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x32 arch as defined on https://sites.google.com/site/x32abi is neither
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X86 nor X64, then forcing -march=i686 leads to build failure as wrong
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-march is used.
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Forcing -march, -mfloat-abi and -mfpu for ARM is also wrong
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As a global sanity sake, disable all forced -march in CMakeLists
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Backported from upstream pull request:
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https://bitbucket.org/multicoreware/x265/pull-requests/21
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Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
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diff -r 58dddcf01b7d source/CMakeLists.txt
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--- a/source/CMakeLists.txt Mon Jan 23 09:50:33 2017 +0530
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+++ b/source/CMakeLists.txt Mon Jan 23 21:03:10 2017 +0100
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@@ -194,28 +194,6 @@
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if(NATIVE_BUILD)
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if(INTEL_CXX)
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add_definitions(-xhost)
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- else()
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- add_definitions(-march=native)
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- endif()
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- elseif(X86 AND NOT X64)
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- string(FIND "${CMAKE_CXX_FLAGS}" "-march" marchPos)
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- if(marchPos LESS "0")
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- add_definitions(-march=i686)
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- if(WIN32 AND NOT INTEL_CXX AND NOT CLANG AND
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- CMAKE_CXX_COMPILER_VERSION VERSION_GREATER 6.0 AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 7.0)
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- add_definitions(-mpreferred-stack-boundary=2)
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- endif()
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- endif()
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- endif()
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- if(ARM AND CROSS_COMPILE_ARM)
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- set(ARM_ARGS -march=armv6 -mfloat-abi=soft -mfpu=vfp -marm -fPIC)
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- elseif(ARM)
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- find_package(Neon)
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- if(CPU_HAS_NEON)
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- set(ARM_ARGS -mcpu=native -mfloat-abi=hard -mfpu=neon -marm -fPIC)
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- add_definitions(-DHAVE_NEON)
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- else()
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- set(ARM_ARGS -mcpu=native -mfloat-abi=hard -mfpu=vfp -marm)
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endif()
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endif()
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add_definitions(${ARM_ARGS})
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