63 lines
1.5 KiB
Text
63 lines
1.5 KiB
Text
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cmake_minimum_required(VERSION 3.13)
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project(cityhash CXX)
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option(ENABLE_SSE "Build CityHash variants that depend on the _mm_crc32_u64 intrinsic." OFF)
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set(CMAKE_CXX_STANDARD 11)
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if (ENABLE_SSE)
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include (CMakePushCheckState)
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cmake_push_check_state()
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if (MSVC)
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include(CheckCXXSourceCompiles)
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check_cxx_source_compiles(
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"#include <nmmintrin.h>
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int main() {
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_mm_crc32_u64(0, 0);
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return 0;
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}"
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USE_SSE)
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else()
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include(CheckCXXCompilerFlag)
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check_cxx_compiler_flag ("-msse4.2" USE_SSE)
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if (USE_SSE)
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set (SSE2_FLAG "-msse4.2")
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endif()
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endif()
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cmake_pop_check_state()
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if (NOT USE_SSE)
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message(FATAL_ERROR "This platform doesn't support feature SSE4.2")
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endif()
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else()
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set(USE_SSE OFF)
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endif()
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add_library(cityhash STATIC src/city.cc)
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list(APPEND CITY_HEADERS src/city.h)
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if (USE_SSE)
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list(APPEND CITY_HEADERS src/citycrc.h)
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target_compile_options(cityhash PRIVATE ${SSE2_FLAG})
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if (MSVC)
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target_compile_definitions(cityhash PRIVATE __SSE4_2__)
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endif()
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endif()
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target_include_directories(cityhash PUBLIC
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$<INSTALL_INTERFACE:include>
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$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/src>
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)
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install(TARGETS cityhash EXPORT cityhash-config
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RUNTIME DESTINATION bin
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ARCHIVE DESTINATION lib
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LIBRARY DESTINATION lib
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)
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install(EXPORT cityhash-config DESTINATION share/cmake/cityhash)
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install(FILES ${CITY_HEADERS} DESTINATION include)
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