CMakeLists.txt

cmake_minimum_required(VERSION 3.15...3.27)

project(
  ${SKBUILD_PROJECT_NAME}
  VERSION ${SKBUILD_PROJECT_VERSION}
  LANGUAGES C CXX)

# set(CMAKE_BUILD_TYPE "Debug")
if(NOT CMAKE_BUILD_TYPE OR CMAKE_BUILD_TYPE STREQUAL "")
  set(CMAKE_BUILD_TYPE
      "Release"
      CACHE STRING "" FORCE)
  message(STATUS "Set build type to default: ${CMAKE_BUILD_TYPE}")
else()
  message(STATUS "Your build type: ${CMAKE_BUILD_TYPE}")
endif()
if(CMAKE_BUILD_TYPE STREQUAL "Debug")
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O0 -ggdb")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O0 -ggdb")
elseif(CMAKE_BUILD_TYPE STREQUAL "Release")
  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")
endif()

set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
set(CMAKE_INCLUDE_CURRENT_DIR ON)
set(CMAKE_CXX_STANDARD 17)
include_directories(SYSTEM ${PROJECT_SOURCE_DIR}/headers/include)
include_directories(${PROJECT_BINARY_DIR}
                    ${PROJECT_SOURCE_DIR}/src/h3lib/include)

configure_file(src/h3lib/include/h3api.h.in ${PROJECT_BINARY_DIR}/h3api.h)
file(GLOB H3SOURCES src/h3lib/lib/*.c)

find_package(Python REQUIRED COMPONENTS Interpreter Development.Module)
find_package(pybind11 CONFIG REQUIRED)
python_add_library(_core MODULE src/main.cpp ${H3SOURCES} WITH_SOABI)
target_link_libraries(_core PRIVATE pybind11::headers)
target_compile_definitions(_core PRIVATE VERSION_INFO=${PROJECT_VERSION})
install(TARGETS _core DESTINATION ${PROJECT_NAME})