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18 lines
639 B
CMake
18 lines
639 B
CMake
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# Autodetect if SSE4.1 can be used. If so, the assumption is, so can the other
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# SSE version (SSE 2.0, SSSE 3.0).
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include(CheckCXXSourceCompiles)
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set(CMAKE_REQUIRED_FLAGS "")
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
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set(CMAKE_REQUIRED_FLAGS "-msse4.1")
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endif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID STREQUAL "Clang" OR CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
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check_cxx_source_compiles("
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#include <xmmintrin.h>
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#include <smmintrin.h>
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#include <tmmintrin.h>
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int main() { return 0; }"
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SSE_FOUND
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)
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