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Remove -fabi-version=6 flag from AVX512 builds. It was added to fix builds with gcc 4.9, but these don't even work today, and the flag breaks compilation with newer versions of gcc.

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(cherry picked from commit 1239adfcab1647482329a1c52396e52fca19f893)
This commit is contained in:
Rasmus Munk Larsen 2021-09-16 16:16:47 -07:00 committed by Antonio Sanchez
parent 929bc0e191
commit a8eb797a43
1 changed files with 0 additions and 6 deletions
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6
CMakeLists.txt
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@ -253,18 +253,12 @@ if(NOT MSVC)
option(EIGEN_TEST_AVX512 "Enable/Disable AVX512 in tests/examples" OFF)
if(EIGEN_TEST_AVX512)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512f -mfma")
if (NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fabi-version=6")
endif()
message(STATUS "Enabling AVX512 in tests/examples")
endif()
option(EIGEN_TEST_AVX512DQ "Enable/Disable AVX512DQ in tests/examples" OFF)
if(EIGEN_TEST_AVX512DQ)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mavx512dq")
if (NOT "${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fabi-version=6")
endif()
message(STATUS "Enabling AVX512DQ in tests/examples")
endif()