cmake_minimum_required(VERSION 3.14)

project(CSG-EB
  DESCRIPTION  "Parser for CSG files to define Embedded Boundaries"
  HOMEPAGE_URL "https://mfix.netl.doe.gov/gitlab/exa/csg-eb"
  LANGUAGES    CXX
  )

include(CTest)

set(CMAKE_CXX_STANDARD 17)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)

option(CSG_CGAL_ENABLED   "Enable CGAL"   ON)

find_program(CCACHE_FOUND ccache)
if(CCACHE_FOUND)
  set( CMAKE_CXX_COMPILER_LAUNCHER ccache )
endif()

find_package(pegtl REQUIRED)

if (CSG_CGAL_ENABLED)
   find_package(CGAL REQUIRED)
endif()

add_subdirectory(src/csg)

target_include_directories(csg-eb
  PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>
  $<INSTALL_INTERFACE:include>
  PRIVATE ${CMAKE_CURRENT_SOURCE_DIR}/src
  )

target_compile_features(csg-eb PRIVATE cxx_std_17)


file(GLOB headers "include/*.hpp")
install(FILES ${headers}
  DESTINATION include
  )

install(TARGETS csg-eb
    EXPORT CsgEbConfig
    ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
    LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
    RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
)
export(TARGETS csg-eb
    NAMESPACE CsgEb::
    FILE "${CMAKE_CURRENT_BINARY_DIR}/CsgEbConfig.cmake"
)
install(EXPORT CsgEbConfig
    DESTINATION "${CMAKE_INSTALL_PREFIX}"
    NAMESPACE CsgEb::
)


if (CSG_CGAL_ENABLED)
   target_compile_definitions(csg-eb PUBLIC USE_CGAL)
endif()