# - LF GL ---------------------------------------------------------------------

cmake_minimum_required(VERSION 3.17)

project(lf_gl VERSION 0.9 LANGUAGES C CXX)

#--- set a default build type if none was specified ---------------------------
set(default_build_type "Release")

if (NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
  message(STATUS "Setting build type to '${default_build_type}' as none was specified.")
  set(CMAKE_BUILD_TYPE "${default_build_type}" CACHE
      STRING "Choose the type of build." FORCE)
  # Set the possible values of build type for cmake-gui
  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
    "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
endif ()

#--- check for boost ----------------------------------------------------------
find_package(Boost REQUIRED
  COMPONENTS
    system
    filesystem
)
message(STATUS "Boost libs: ${Boost_LIBRARIES}")

#--- check for gsl ------------------------------------------------------------
find_package(GSL REQUIRED)

#--- write summary of the installation
cmake_host_system_information(RESULT PROCESSOR QUERY PROCESSOR_DESCRIPTION)

message("")
message("|-----------------------------------------------------------------------|")
message("|                                                                       |")
message("|                            Summary                                    |")
message("|                                                                       |")
message("|-----------------------------------------------------------------------|")
message("")
message(" System:    ${CMAKE_HOST_SYSTEM_NAME} ${CMAKE_SYSTEM_PROCESSOR} - ${CMAKE_HOST_SYSTEM_VERSION}")
message(" Processor: ${PROCESSOR} (${CMAKE_SYSTEM_PROCESSOR})")
message(" ----------")
message("")
message(" lf_gl Version: ${lf_gl_VERSION}")
message(" --------------")
message("")
message(" Build Type: ${CMAKE_BUILD_TYPE}")
message(" -----------")
message("")
message("-------------------------------------------------------------------------")
message("")
message(" GSL     found in ${GSL_INCLUDE_DIRS}, Version: ${GSL_VERSION}")
message(" BOOST   found in ${Boost_INCLUDE_DIRS}, Version: ${Boost_VERSION}")
message("")
message("-------------------------------------------------------------------------")
message("")

add_executable(lf_gl 
  main.cpp
  PGKT_LF.cpp
)
set_property(TARGET lf_gl PROPERTY CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
target_include_directories(lf_gl 
  BEFORE PRIVATE 
    $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}>
)
target_link_libraries(lf_gl -lm GSL::gsl)