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CMakeLists.txt
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CMakeLists.txt
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cmake_minimum_required(VERSION 3.0...3.26)
project(hnswlib
LANGUAGES CXX)
include(GNUInstallDirs)
include(CheckCXXCompilerFlag)
add_library(hnswlib INTERFACE)
add_library(hnswlib::hnswlib ALIAS hnswlib)
target_include_directories(hnswlib INTERFACE
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>)
# Install
install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/hnswlib
DESTINATION ${CMAKE_INSTALL_INCLUDEDIR})
install(TARGETS hnswlib
EXPORT hnswlibTargets)
install(EXPORT hnswlibTargets
FILE hnswlibConfig.cmake
NAMESPACE hnswlib::
DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/hnswlib)
# Examples and tests
if(CMAKE_PROJECT_NAME STREQUAL PROJECT_NAME)
option(HNSWLIB_EXAMPLES "Build examples and tests." ON)
else()
option(HNSWLIB_EXAMPLES "Build examples and tests." OFF)
endif()
if(HNSWLIB_EXAMPLES)
set(CMAKE_CXX_STANDARD 11)
if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
SET( CMAKE_CXX_FLAGS "-Ofast -std=c++11 -DHAVE_CXX0X -openmp -fpic -ftree-vectorize" )
check_cxx_compiler_flag("-march=native" COMPILER_SUPPORT_NATIVE_FLAG)
if(COMPILER_SUPPORT_NATIVE_FLAG)
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -march=native" )
message("set -march=native flag")
else()
check_cxx_compiler_flag("-mcpu=apple-m1" COMPILER_SUPPORT_M1_FLAG)
if(COMPILER_SUPPORT_M1_FLAG)
SET( CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -mcpu=apple-m1" )
message("set -mcpu=apple-m1 flag")
endif()
endif()
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
SET( CMAKE_CXX_FLAGS "-Ofast -lrt -std=c++11 -DHAVE_CXX0X -march=native -fpic -w -fopenmp -ftree-vectorize -ftree-vectorizer-verbose=0" )
elseif (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
SET( CMAKE_CXX_FLAGS "/O2 -DHAVE_CXX0X /W1 /openmp /EHsc" )
endif()
# examples
add_executable(example_search examples/cpp/example_search.cpp)
target_link_libraries(example_search hnswlib)
add_executable(example_filter examples/cpp/example_filter.cpp)
target_link_libraries(example_filter hnswlib)
add_executable(example_replace_deleted examples/cpp/example_replace_deleted.cpp)
target_link_libraries(example_replace_deleted hnswlib)
add_executable(example_mt_search examples/cpp/example_mt_search.cpp)
target_link_libraries(example_mt_search hnswlib)
add_executable(example_mt_filter examples/cpp/example_mt_filter.cpp)
target_link_libraries(example_mt_filter hnswlib)
add_executable(example_mt_replace_deleted examples/cpp/example_mt_replace_deleted.cpp)
target_link_libraries(example_mt_replace_deleted hnswlib)
# tests
add_executable(test_updates tests/cpp/updates_test.cpp)
target_link_libraries(test_updates hnswlib)
add_executable(searchKnnCloserFirst_test tests/cpp/searchKnnCloserFirst_test.cpp)
target_link_libraries(searchKnnCloserFirst_test hnswlib)
add_executable(searchKnnWithFilter_test tests/cpp/searchKnnWithFilter_test.cpp)
target_link_libraries(searchKnnWithFilter_test hnswlib)
add_executable(multiThreadLoad_test tests/cpp/multiThreadLoad_test.cpp)
target_link_libraries(multiThreadLoad_test hnswlib)
add_executable(multiThread_replace_test tests/cpp/multiThread_replace_test.cpp)
target_link_libraries(multiThread_replace_test hnswlib)
add_executable(main tests/cpp/main.cpp tests/cpp/sift_1b.cpp)
target_link_libraries(main hnswlib)
endif()