CMakeLists.txt

cmake_minimum_required(VERSION 3.20...3.30 FATAL_ERROR)

project(dxtbx LANGUAGES C CXX)

# Add the included modules
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_CURRENT_SOURCE_DIR}/cmake/Modules/")

# General cmake environment configuration
include(SetDefaultBuildRelWithDebInfo) # Default builds to release with debug info
include(AlwaysColourCompilation) # Always show coloured compiler output
set(CMAKE_EXPORT_COMPILE_COMMANDS ON) # Generate compile_commands.json
set(CMAKE_CXX_STANDARD 14)

find_package(Python REQUIRED COMPONENTS Interpreter Development)
find_package(CCTBX COMPONENTS scitbx cctbx REQUIRED)
find_package(pybind11 REQUIRED)
find_package(CBFlib)

set(HDF5_USE_STATIC_LIBRARIES OFF)
find_package(HDF5 REQUIRED)
if(WIN32)
    # This is required on windows to declare symbols as external
    target_compile_definitions(hdf5::hdf5 INTERFACE H5_BUILT_AS_DYNAMIC_LIB)
endif()

# Find the boost::python library for this version of python
set(Boost_USE_STATIC_LIBS OFF) # This is the default everywhere except Windows
find_package(Boost COMPONENTS "python${Python_VERSION_MAJOR}${Python_VERSION_MINOR}" REQUIRED)


# Create Boost::python alias so we don't need to carry the python version around
if(NOT TARGET Boost::python )
    message("Adding Boost::python target")
    add_library(Boost::python INTERFACE IMPORTED)
    set_target_properties(Boost::python PROPERTIES
        INTERFACE_LINK_LIBRARIES  "python${Python_VERSION_MAJOR}${Python_VERSION_MINOR}" )
endif()


# Put the libraries into lib/ so that we can run this in-place in a TBX install
set(CMAKE_LIBRARY_OUTPUT_DIRECTORY  "${CMAKE_BINARY_DIR}/lib")

add_subdirectory(src/dxtbx)