CMakeLists.txt

cmake_minimum_required(VERSION 3.0)

project(XFeatures)

set(CMAKE_CXX_FLAGS "-std=c++11")

# Set path for cmake finder
set(CMAKE_MODULE_PATH  ${CMAKE_MODULE_PATH} ${PROJECT_SOURCE_DIR}/cmake)

#################
## find eigen3 ##
#################
add_definitions(-DEIGEN_DONT_ALIGN)
message("-- Check for Eigen3")
find_package(Eigen3 REQUIRED)
if (${EIGEN3_FOUND})
    message(STATUS "Eigen found in " ${EIGEN3_INCLUDE_DIR})
    include_directories(${EIGEN3_INCLUDE_DIR})
else()
    message(FATAL_ERROR "Eigen not found!")
endif()

################
## find Ceres ##
################
message("-- Check for Ceres-Solver")
find_package(Ceres REQUIRED)
if (${CERES_FOUND})
    message(STATUS "Ceres found in " ${CERES_INCLUDE_DIRS})
    include_directories(${CERES_INCLUDE_DIRS})
else()
    message(FATAL_ERROR "Ceres not found")
endif()

###############
## find glog ##
###############
message("-- Check for Google Log")
find_package(Glog REQUIRED)
if (GLOG_FOUND)
  message("-- Found Google Logging: ${GLOG_INCLUDE_DIRS}")
else (GLOG_FOUND)
  message(FATAL_ERROR "Can't find Google Logging. Please set GLOG_INCLUDE_DIR & "
    "GLOG_LIBRARY")
endif (GLOG_FOUND)

################
## find gflag ##
################
message("-- Check for gflags")
find_package(gflags REQUIRED)
if (GFLAGS_FOUND)
    message("-- Found GFlags: ${GFLAGS_INCLUDE_DIRS}")
else (GFLAGS_FOUND)
    message(FATAL ERROR "Can't find GFlags. Please set GFLAGS_INCLUDE_DIR & GFLAGS_LIBRARY")
endif (GFLAGS_FOUND)

# Suitesparse
find_package(SuiteSparse REQUIRED)
if (SUITESPARSE_FOUND)
  # On Ubuntu the system install of SuiteSparse (v3.4.0) up to at least
  # Ubuntu 13.10 cannot be used to link shared libraries.
  if (BUILD_SHARED_LIBS AND
      SUITESPARSE_IS_BROKEN_SHARED_LINKING_UBUNTU_SYSTEM_VERSION)
    message(FATAL_ERROR "You are attempting to build Theia as a shared "
      "library on Ubuntu using a system package install of SuiteSparse "
      "3.4.0. This package is broken and does not support the "
      "construction of shared libraries (you can still build Theia as "
      "a static library).  If you wish to build a shared version of Theia "
      "you should uninstall the system install of SuiteSparse "
      "(libsuitesparse-dev) and perform a source install of SuiteSparse "
      "(we recommend that you use the latest version), "
      "see http://theia-solver.org/building.html for more information.")
  endif (BUILD_SHARED_LIBS AND
    SUITESPARSE_IS_BROKEN_SHARED_LINKING_UBUNTU_SYSTEM_VERSION)
  message("-- Found SuiteSparse ${SUITESPARSE_VERSION}")
  add_definitions(-DTHEIA_SUITESPARSE_VERSION="${SUITESPARSE_VERSION}")
else (SUITESPARSE_FOUND)
  # Disable use of SuiteSparse if it cannot be found and continue.
  message(FATAL_ERROR "Can't find SuiteSparse. This library is required "
    "for bundle adjustment and for solving convex optimization problems. "
    "Please set SUITESPARSE_INCLUDE_DIR & SUITESPARSE_LIBRARY")
endif (SUITESPARSE_FOUND)

##################################################
## fix bugs when using OpenMVG as 3rd-party lib ##
##################################################
find_package(OpenMP REQUIRED)
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
##################
## find openMVG ##
##################
message("--Check for openMVG")
# find_package(OpenMVG REQUIRED)
# if (${OPENMVG_FOUND})
    # message("-- Found OpenMVG: ${OPENMVG_INCLUDE_DIRS}")
    # include_directories(${OPENMVG_INCLUDE_DIRS})
    # add_definitions(-DUSE_OPENMVG)
# else ()
    # message(FATAL_ERROR "Can't find OpenMVG! Please set OPENMVG_INCLUDE_DIRS & OPENMVG_LIBRARIES")
# endif()

set(OPENMVG_LIBS_DIR ${CMAKE_BINARY_DIR}/ext/openMVG/Linux-x86_64-Release)
set(OPENMVG_INCLUDE_DIRS ${PROJECT_SOURCE_DIR}/ext/openMVG)
set(OPENMVG_LIBRARIES # domset
                    #   lib_clp
                    #   lib_CoinUtils
                    #   lib_Osi
                    #   lib_OsiClpSolver
                      openMVG_easyexif
                      openMVG_exif
                      openMVG_fast
                      openMVG_features
                      openMVG_geometry
                      openMVG_image
                      openMVG_kvld
                      openMVG_lemon
                      openMVG_linearProgramming
                      openMVG_lInftyComputerVision
                      openMVG_matching_image_collection
                      openMVG_matching
                      openMVG_multiview
                      openMVG_multiview_test_data
                      openMVG_numeric
                      openMVG_robust_estimation
                      openMVG_sfm
                      openMVG_stlplus
                      openMVG_system
                      vlsift)

########################
## Unit Test Enabling ##
########################
set(ENABLE_TESTING TRUE)

if(${ENABLE_TESTING})
    enable_testing()
endif(${ENABLE_TESTING})


# Add include directories
include_directories(${PROJECT_SOURCE_DIR}/src
                    ${PROJECT_SOURCE_DIR}/ext
                    ${PROJECT_SOURCE_DIR}/ext/graclus/metisLib
                    ${PROJECT_SOURCE_DIR}/ext/graclus/multilevelLib
                    ${PROJECT_SOURCE_DIR}/ext/graclus/graclus
                    ${PROJECT_SOURCE_DIR}/ext/yaml-cpp/include 
                    ${OPENMVG_INCLUDE_DIRS} 
                    ${GLOG_INCLUDE_DIRS}
                    ${GLFGS_INCLUDE_DIRS}
                    ${SUITESPARSE_INCLUDE_DIRS})


include(${PROJECT_SOURCE_DIR}/cmake/UseGTest.cmake)

# Add subdirectories
add_subdirectory(${PROJECT_SOURCE_DIR}/ext)
add_subdirectory(${PROJECT_SOURCE_DIR}/src)
add_subdirectory(${PROJECT_SOURCE_DIR}/app)
# add_subdirectory(${PROJECT_SOURCE_DIR}/example)