CMakeLists.txt

cmake_minimum_required(VERSION 3.16)
project(lnrr CXX)
set(LNRR_VERSION 0.1.0)
set(PROJECT_SOVERSION 0)

set(CMAKE_CXX_STANDARD 17)
set(CXX_STANDARD_REQUIRED ON)
add_compile_options(-O3)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fopenmp")

option(BUILD_TESTS "Build test suite" ON)

list(APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")

find_package(OpenMP REQUIRED)
find_package(Eigen3 3.3.7 REQUIRED)
find_package(Ceres 2.2 REQUIRED)
find_package(Fgt REQUIRED)
find_package(PCL 1.10 REQUIRED)

add_subdirectory(src)

if(BUILD_TESTS)
  include(CTest)
  add_subdirectory(tests)
endif()

if(NOT CMAKE_BUILD_TYPE)
  set(default_cmake_build_type "Release")
  message("Setting build type to '${default_cmake_build_type}' as none was specified.")
  set(CMAKE_BUILD_TYPE "${default_cmake_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()
message(STATUS "CMAKE_BUILD_TYPE: ${CMAKE_BUILD_TYPE}")



include(CMakePackageConfigHelpers)
write_basic_package_version_file(${PROJECT_BINARY_DIR}/lnrr-config-version.cmake VERSION ${LNRR_VERSION} COMPATIBILITY AnyNewerVersion)
configure_file(cmake/lnrr-config.cmake ${PROJECT_BINARY_DIR}/lnrr-config.cmake @ONLY)
install(FILES ${PROJECT_BINARY_DIR}/lnrr-config.cmake ${PROJECT_BINARY_DIR}/lnrr-config-version.cmake DESTINATION lib/cmake/lnrr)


# if("${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang")
#     target_compile_options(Library-C++
#         PUBLIC
#         -std=c++11
#         PRIVATE
#         -Wall
#         -pedantic
#         -Wno-nested-anon-types
#         )
# elseif("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
#     target_compile_options(Library-C++
#         PUBLIC
#         -std=c++11
#         -Wno-deprecated-declarations
#         PRIVATE
#         -Wall
#         -pedantic
#         -Wno-unknown-pragmas
#         )
# endif()
install(TARGETS Library-C++ DESTINATION lib EXPORT lnrr-targets)
install(DIRECTORY include/lnrr DESTINATION include)
install(EXPORT lnrr-targets NAMESPACE Lnrr:: DESTINATION lib/cmake/lnrr)

# Create uninstall command
configure_file("${CMAKE_SOURCE_DIR}/cmake/uninstall_target.cmake.in"
               "${CMAKE_BINARY_DIR}/uninstall_target.cmake" IMMEDIATE @ONLY)
add_custom_target(uninstall "${CMAKE_COMMAND}" -P
                  "${CMAKE_BINARY_DIR}/uninstall_target.cmake")