CMakeLists.txt

cmake_minimum_required(VERSION 3.5)
project(carpentry_geom)

set(CMAKE_CXX_STANDARD 11)

set(CGAL_DO_NOT_WARN_ABOUT_CMAKE_BUILD_TYPE TRUE)
find_package( CGAL QUIET COMPONENTS Core)
if ( NOT CGAL_FOUND )
    message(STATUS "This project requires the CGAL library, and will not be compiled.")
    return()
endif()
include( ${CGAL_USE_FILE} )


include(ExternalProject)
ExternalProject_Add(
    glm
    PREFIX ${CMAKE_BINARY_DIR}/glm
    GIT_REPOSITORY https://github.com/g-truc/glm.git
    CONFIGURE_COMMAND ""
    BUILD_COMMAND ""
    INSTALL_COMMAND ""
    LOG_DOWNLOAD ON
    )
ExternalProject_Get_Property(glm source_dir)

set(GlmIncludeDir ${source_dir})


add_library(${PROJECT_NAME} SHARED geom.h twoD.cpp threeD.cpp mesh.cpp math.hpp clipper/clipper.cpp io.cpp)
target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})

# Export interface symbols and hide internal implementation
include(GenerateExportHeader)
generate_export_header(${PROJECT_NAME})
target_include_directories(${PROJECT_NAME} PUBLIC ${PROJECT_BINARY_DIR} PRIVATE ${GlmIncludeDir})
set_target_properties(${PROJECT_NAME} PROPERTIES CXX_VISIBILITY_PRESET hidden)
add_dependencies(${PROJECT_NAME} glm)