CMakeLists.txt

# project name and specify the minumum cmake version.
project (skyweaver CXX CUDA)
cmake_minimum_required (VERSION 3.9)
ENABLE_TESTING()

# The version number.
set (skyweaver_VERSION_MAJOR 0)
set (skyweaver_VERSION_MINOR 1)

if(NOT DEFINED CMAKE_CUDA20_STANDARD_COMPILE_OPTION)
  set(CMAKE_CUDA20_STANDARD_COMPILE_OPTION "")
  set(CMAKE_CUDA20_EXTENSION_COMPILE_OPTION "")
endif()

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CUDA_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CUDA_FLAGS "-std=c++20")

# cmake setup.
set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})

# default installtion locations (note these will be prefixed by ${CMAKE_INSTALL_PREFIX})
if(NOT LIBRARY_INSTALL_DIR)
    set(LIBRARY_INSTALL_DIR "lib")
endif(NOT LIBRARY_INSTALL_DIR)

if(NOT INCLUDE_INSTALL_DIR)
    set(INCLUDE_INSTALL_DIR "include/${CMAKE_PROJECT_NAME}")
endif(NOT INCLUDE_INSTALL_DIR)

if(NOT MODULES_INSTALL_DIR)
    set (MODULES_INSTALL_DIR "share/${CMAKE_PROJECT_NAME}")
endif(NOT MODULES_INSTALL_DIR)

if(NOT BINARY_INSTALL_DIR)
    set(BINARY_INSTALL_DIR "bin/")
endif(NOT BINARY_INSTALL_DIR)

# Compiling and build options for submodules
option(ENABLE_TESTING "Build and enable testing" ON)
option(ENABLE_BENCHMARK "Build and enable benchmark" OFF)

# Set build type
if (NOT CMAKE_BUILD_TYPE OR CMAKE_BUILD_TYPE STREQUAL "")
    set(CMAKE_BUILD_TYPE "RELEASE" CACHE STRING "" FORCE)
endif()
string(TOUPPER "${CMAKE_BUILD_TYPE}" CMAKE_BUILD_TYPE_UPPER)

# get project dependencies and compiler settings.
include(dependencies)

# === process through the skyweaver tree
add_subdirectory(cpp/${CMAKE_PROJECT_NAME})

# === Print build options summary.
set(DEBUG_PRINT ON)
if (DEBUG_PRINT)
    message(STATUS "")
    message(STATUS "****************************************************************************")
    message(STATUS " name: ${CMAKE_PROJECT_NAME} version: ${PROJECT_VERSION}")
    message(STATUS "")
    message(STATUS "")
    message(STATUS " Compiler Options:")
    message(STATUS "  Build type: ${CMAKE_BUILD_TYPE}")
    message(STATUS "  C++ Compiler: ${CMAKE_CXX_COMPILER}")
    if (${CMAKE_BUILD_TYPE_UPPER} STREQUAL "RELEASE")
        message(STATUS "  C++ flags: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE}")
    elseif (${CMAKE_BUILD_TYPE_UPPER} STREQUAL "DEBUG")
        message(STATUS "  C++ flags: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG}")
    elseif (${CMAKE_BUILD_TYPE_UPPER} STREQUAL "RELWITHDEBINFO")
        message(STATUS "  C++ flags: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELWITHDEBINFO}")
    elseif (${CMAKE_BUILD_TYPE_UPPER} STREQUAL "MINSIZEREL")
        message(STATUS "  C++ flags: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_MINSIZEREL}")
    endif()
    if(ENABLE_CUDA)
        message(STATUS "  NVCC flags: ${CUDA_NVCC_FLAGS}")
    endif ()
    message(STATUS "")
    message(STATUS "Install locations: (make install)")
    message(STATUS "  Libraries: ${CMAKE_INSTALL_PREFIX}/lib")
    message(STATUS "  Inclues:   ${CMAKE_INSTALL_PREFIX}/${INCLUDE_INSTALL_DIR}")
    message(STATUS "  Binaries:  ${CMAKE_INSTALL_PREFIX}/${BINARY_INSTALL_DIR}")
    if(ENABLE_DOC)
        message(STATUS "  Doc:       ${CMAKE_INSTALL_PREFIX}/${DOC_INSTALL_DIR}")
    else(ENABLE_DOC)
        message(STATUS "  Doc:       Disabled (-DENABLE_DOC=true to enable)")
    endif(ENABLE_DOC)
    message(STATUS "  Other:     ${CMAKE_INSTALL_PREFIX}/${MODULES_INSTALL_DIR}")
    message(STATUS "****************************************************************************")
    message(STATUS "")
endif (DEBUG_PRINT)


ENABLE_TESTING()