ClickHouse/cmake/find_cpuinfo.cmake

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CMake
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2019-01-28 13:16:08 +00:00
option(USE_INTERNAL_CPUINFO_LIBRARY "Set to FALSE to use system cpuinfo library instead of bundled" ${NOT_UNBUNDLED})
# Now we have no contrib/libcpuinfo, use from system.
if (NOT EXISTS "${ClickHouse_SOURCE_DIR}/contrib/libcpuinfo/include")
#message (WARNING "submodule contrib/libcpuinfo is missing. to fix try run: \n git submodule update --init --recursive")
set (USE_INTERNAL_CPUINFO_LIBRARY 0)
set (MISSING_INTERNAL_CPUINFO_LIBRARY 1)
endif ()
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if(NOT USE_INTERNAL_CPUINFO_LIBRARY)
find_library(CPUINFO_LIBRARY cpuinfo)
find_path(CPUINFO_INCLUDE_DIR NAMES cpuinfo.h PATHS ${CPUINFO_INCLUDE_PATHS})
endif()
if(CPUINFO_LIBRARY AND CPUINFO_INCLUDE_DIR)
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set(USE_CPUINFO 1)
elseif(NOT MISSING_INTERNAL_CPUINFO_LIBRARY)
set(CPUINFO_INCLUDE_DIR ${ClickHouse_SOURCE_DIR}/contrib/libcpuinfo/include)
set(USE_INTERNAL_CPUINFO_LIBRARY 1)
set(CPUINFO_LIBRARY cpuinfo)
set(USE_CPUINFO 1)
endif()
message(STATUS "Using cpuinfo=${USE_CPUINFO}: ${CPUINFO_INCLUDE_DIR} : ${CPUINFO_LIBRARY}")