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cmake_minimum_required(VERSION 3.5)
project(metrohash LANGUAGES CXX)
set(CMAKE_CXX_STANDARD 11)
add_library(metrohash
src/metrohash64.cpp
src/metrohash128.cpp
)
list(APPEND metro_headers src/metrohash.h src/metrohash64.h src/metrohash128.h)
include(CheckCXXSourceCompiles)
include(CheckCXXCompilerFlag)
if(CMAKE_CXX_COMPILER_ID MATCHES "Clang")
check_cxx_compiler_flag("-msse4.2" HAS_MSSE42)
if(HAS_MSSE42)
target_compile_options(metrohash PRIVATE -msse4.2)
string(APPEND CMAKE_REQUIRED_FLAGS " -msse4.2")
endif()
endif()
check_cxx_source_compiles(
"#include <nmmintrin.h>
int main() {
_mm_crc32_u64(0, 0);
return 0;
}"
HAS_mm_crc32_u64)
if(HAS_mm_crc32_u64)
list(APPEND metro_headers src/metrohash128crc.h)
target_sources(metrohash PRIVATE src/metrohash128crc.cpp)
endif()
if(CMAKE_CXX_COMPILER_ID MATCHES GNU)
target_compile_options(metrohash PRIVATE -march=native)
endif()
set_target_properties(metrohash PROPERTIES
PUBLIC_HEADER "${metro_headers}"
)
include(CMakePackageConfigHelpers)
set(generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
set(project_config "${generated_dir}/${PROJECT_NAME}Config.cmake")
set(config_install_dir "lib/cmake/${PROJECT_NAME}")
set(TARGETS_EXPORT_NAME "${PROJECT_NAME}Targets")
set(namespace "${PROJECT_NAME}::")
configure_package_config_file(
"${CMAKE_SOURCE_DIR}/cmake/Config.cmake.in"
"${project_config}"
INSTALL_DESTINATION "${config_install_dir}"
)
#Installation
install(TARGETS metrohash
EXPORT "${TARGETS_EXPORT_NAME}"
LIBRARY DESTINATION "lib"
ARCHIVE DESTINATION "lib"
PUBLIC_HEADER DESTINATION "include")
install(
FILES "${project_config}"
DESTINATION "${config_install_dir}"
)
install(EXPORT "${TARGETS_EXPORT_NAME}"
NAMESPACE "${namespace}"
DESTINATION "${config_install_dir}"
)
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