Attempt to support MacOS

CMakeLists.txt

@@ -0,0 +1,102 @@
+cmake_minimum_required(VERSION 3.23 FATAL_ERROR)
+
+# Project
+
+set(CMAKE_CXX_STANDARD 14)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_CXX_EXTENSIONS ON)
+
+project(
+  pyci
+  VERSION ${SKBUILD_PROJECT_VERSION}
+  LANGUAGES CXX)
+
+execute_process(
+  COMMAND sh -c "${CMAKE_CXX_COMPILER} --version | head -n 1"
+  WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+  OUTPUT_VARIABLE PYCI_COMPILER_VERSION
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+execute_process(
+  COMMAND git rev-parse --abbrev-ref HEAD
+  WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+  OUTPUT_VARIABLE PYCI_GIT_BRANCH
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+execute_process(
+  COMMAND date -u +%F\ %T
+  WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
+  OUTPUT_VARIABLE PYCI_BUILD_TIME
+  OUTPUT_STRIP_TRAILING_WHITESPACE)
+
+# Dependencies
+
+set(BUILD_SHARED_LIBS OFF CACHE BOOL "Build shared libraries")
+set(BUILD_TESTING OFF CACHE BOOL "Build testing")
+
+set(BUILD_SHARED_LIBS_ORIGINAL ${BUILD_SHARED_LIBS})
+set(BUILD_TESTING_ORIGINAL ${BUILD_TESTING})
+
+set(BUILD_SHARED_LIBS OFF)
+set(BUILD_TESTING OFF)
+
+include(FetchContent)
+
+find_package(Eigen3 REQUIRED NO_MODULE)
+
+FetchContent_Populate(spectra
+  URL https://github.com/yixuan/spectra/archive/refs/tags/v1.0.1.tar.gz
+  URL_HASH MD5=4c5364e377f733c3b2574d39a718bc3b
+  SOURCE_DIR spectra)
+
+FetchContent_Populate(parallel_hashmap
+  URL https://github.com/greg7mdp/parallel-hashmap/archive/refs/tags/v1.4.0.tar.gz
+  URL_HASH MD5=264fc23f81d17d30a0ebf34cdec8f4a6
+  SOURCE_DIR parallel_hashmap)
+
+FetchContent_Populate(rapidhash
+  URL https://github.com/Nicoshev/rapidhash/archive/refs/tags/rapidhash_v1.0.tar.gz
+  URL_HASH MD5=eff40e2b9b66e4608ba37709995b5255
+  SOURCE_DIR rapidhash)
+
+set(PYBIND11_FINDPYTHON ON)
+find_package(Python REQUIRED COMPONENTS Interpreter Development.Module NumPy)
+find_package(pybind11 CONFIG REQUIRED)
+
+set(BUILD_SHARED_LIBS_ORIGINAL ${BUILD_SHARED_LIBS})
+set(BUILD_TESTING_ORIGINAL ${BUILD_TESTING})
+
+# Build
+
+file(GLOB_RECURSE PYCI_SOURCE_FILES "${PROJECT_SOURCE_DIR}/src/*.cpp")
+
+pybind11_add_module(${PROJECT_NAME} MODULE ${PYCI_SOURCE_FILES})
+
+set_target_properties(${PROJECT_NAME}
+  PROPERTIES
+  OUTPUT_NAME _${PROJECT_NAME}
+    ARCHIVE_OUTPUT_DIRECTORY ${PROJECT_NAME})
+
+target_include_directories(${PROJECT_NAME}
+  PRIVATE
+    ${PROJECT_SOURCE_DIR}/include
+    ${PROJECT_BINARY_DIR}/spectra/include
+    ${PROJECT_BINARY_DIR}/parallel_hashmap
+    ${PROJECT_BINARY_DIR}/rapidhash)
+
+target_link_libraries(${PROJECT_NAME} PRIVATE Eigen3::Eigen)
+
+target_compile_definitions(${PROJECT_NAME}
+  PRIVATE
+    _PYCI_VERSION="${PROJECT_VERSION}"
+    _GIT_BRANCH="${PYCI_GIT_BRANCH}"
+    _BUILD_TIME="${PYCI_BUILD_TIME}"
+    _COMPILER_VERSION="${PYCI_COMPILER_VERSION}")
+
+# Install
+
+install(TARGETS ${PROJECT_NAME} DESTINATION ${PROJECT_NAME})
+
+install(
+  DIRECTORY ${PROJECT_SOURCE_DIR}/include
+  DESTINATION ${SKBUILD_PLATLIB_DIR}/pyci/include)

pyci/include/pyci.h → include/pyci.h

@@ -41,7 +41,7 @@
 
 #include <parallel_hashmap/phmap.h>
 
-#include <SpookyV2.h>
+#include <rapidhash.h>
 
 #include <sort_with_arg.h>
 
@@ -118,13 +118,11 @@ inline int Ctz(const unsigned long long t) {
 
 /* Hash function. */
 
-typedef std::pair<ulong, ulong> Hash;
+typedef std::uint64_t Hash;
 
 template<typename T, typename U>
-Hash spookyhash(T length, const U *data) {
-    Hash h(0x23a23cf5033c3c81UL, 0xb3816f6a2c68e530UL);
-    SpookyHash::Hash128(reinterpret_cast<const void *>(data), length * sizeof(U), &h.first, &h.second);
-    return h;
+Hash compute_hash(T length, const U *data) {
+    return rapidhash(reinterpret_cast<const void *>(data), length * sizeof(U));
 }
 
 /* Vector template types. */