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Use -mtune instead of -march on non-x86 CPUs #2868

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merged 1 commit into from
Feb 18, 2019
Merged

Use -mtune instead of -march on non-x86 CPUs #2868

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8 changes: 7 additions & 1 deletion cmake/pcl_find_sse.cmake
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,13 @@ macro(PCL_CHECK_FOR_SSE)
if(NOT CMAKE_CROSSCOMPILING)
# Test GCC/G++ and CLANG
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX OR CMAKE_COMPILER_IS_CLANG)
list(APPEND SSE_FLAGS "-march=native")
include(CheckCXXCompilerFlag)
check_cxx_compiler_flag("-march=native" HAVE_MARCH)
if(HAVE_MARCH)
list(APPEND SSE_FLAGS "-march=native")
else()
list(APPEND SSE_FLAGS "-mtune=native")
endif()
message(STATUS "Using CPU native flags for SSE optimization: ${SSE_FLAGS}")
endif()
endif()
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