ClickHouse/cmake/find/fastops.cmake

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CMake
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if(ARCH_AMD64 AND NOT OS_FREEBSD AND NOT OS_DARWIN)
option(ENABLE_FASTOPS "Enable fast vectorized mathematical functions library by Mikhail Parakhin" ${ENABLE_LIBRARIES})
elseif(ENABLE_FASTOPS)
message (${RECONFIGURE_MESSAGE_LEVEL} "Fastops library is supported on x86_64 only, and not FreeBSD or Darwin")
endif()
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if(NOT ENABLE_FASTOPS)
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set(USE_FASTOPS 0)
return()
endif()
if(NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/fastops/fastops/fastops.h")
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message(WARNING "submodule contrib/fastops is missing. to fix try run: \n git submodule update --init")
message (${RECONFIGURE_MESSAGE_LEVEL} "Can't find internal fastops library")
set(MISSING_INTERNAL_FASTOPS_LIBRARY 1)
endif()
if(NOT MISSING_INTERNAL_FASTOPS_LIBRARY)
set(USE_FASTOPS 1)
set(FASTOPS_INCLUDE_DIR ${ClickHouse_SOURCE_DIR}/contrib/fastops/)
set(FASTOPS_LIBRARY fastops)
endif()
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message(STATUS "Using fastops=${USE_FASTOPS}: ${FASTOPS_INCLUDE_DIR} : ${FASTOPS_LIBRARY}")