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cmake_minimum_required(VERSION 3.16)
project(laszip-python)
set(CMAKE_CXX_STANDARD 14)
list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
if(NOT SKBUILD)
include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/PythonEnvHelper.cmake)
set_python_executable_from_current_venv()
ensure_pybind11_cmake_module_is_in_path()
endif()
find_package(pybind11)
option(USE_VENDORED_LASZIP "Build by building and linking to the vendored LASZip" ON)
if (USE_VENDORED_LASZIP)
option(LASZIP_BUILD_STATIC "Build LASZip as static lib" ON)
set(LASZIP_VENDOR "LASzip-4f39c23907bb92cc583aa95bb2ace2ca4f6efdbe")
add_subdirectory(src/vendor/${LASZIP_VENDOR} EXCLUDE_FROM_ALL)
else()
find_package(LASzip MODULE REQUIRED)
endif()
set(PY_MODULE_NAME laszip_core)
pybind11_add_module(${PY_MODULE_NAME}
src/laszip.cpp
src/laszip_error.h
src/lasunzipper.h
src/lasunzipper.cpp
src/laszipper.h
src/laszipper.cpp
src/python_istreambuf.h
src/python_ostreambuf.h)
if (USE_VENDORED_LASZIP)
target_compile_definitions(${PY_MODULE_NAME} PRIVATE USE_VENDORED_LASZIP)
target_include_directories(${PY_MODULE_NAME}
PRIVATE
src/vendor/${LASZIP_VENDOR}/dll
src/vendor/${LASZIP_VENDOR}/include/laszip
)
if (WIN32)
target_link_libraries(${PY_MODULE_NAME} PRIVATE laszip3)
else()
set_target_properties(laszip PROPERTIES POSITION_INDEPENDENT_CODE TRUE)
target_link_libraries(${PY_MODULE_NAME} PRIVATE laszip)
endif()
set_target_properties(${PY_MODULE_NAME}
PROPERTIES
POSITION_INDEPENDENT_CODE TRUE
)
else()
target_link_libraries(${PY_MODULE_NAME} PRIVATE LASzip::LASzip)
endif()
install(TARGETS ${PY_MODULE_NAME} DESTINATION laszip)
if (WIN32)
install(FILES ${LASZIP_DLL} DESTINATION laszip)
endif()
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