Factorize third party management and extract them from CMakeLists.txt

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/cgal_4.8_issue@2239 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 6ed246b649418a623919b8b337ce366f5cc1d27f

1 files changed, 83 insertions, 171 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 36e8afd7..18cd0ca2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,176 +5,88 @@ include(CMakeGUDHIVersion.txt)
 # Generate GUDHI official version file
 configure_file(GUDHIVersion.cmake.in "${CMAKE_SOURCE_DIR}/GUDHIVersion.cmake" @ONLY)
 
-find_package(Boost REQUIRED COMPONENTS system filesystem unit_test_framework chrono timer date_time program_options thread REQUIRED)
-
-if(NOT Boost_FOUND)
-  message(FATAL_ERROR "NOTICE: This program requires Boost and will not be compiled.")
+set(CMAKE_PREFIX_PATH "${CMAKE_SOURCE_DIR}/src/cmake/modules/")
+set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/src/cmake/modules/")
+message("CMAKE_PREFIX_PATH = ${CMAKE_PREFIX_PATH}")
+message("CMAKE_MODULE_PATH = ${CMAKE_MODULE_PATH}")
+
+enable_testing()
+
+# For "make user_version"
+include("${CMAKE_MODULE_PATH}/GUDHI_user_version_target.txt")
+# For "make doxygen"
+include("${CMAKE_MODULE_PATH}/GUDHI_doxygen_target.txt")
+# For third parties libraries management - To be done last as CGAL updates CMAKE_MODULE_PATH
+include("${CMAKE_MODULE_PATH}/GUDHI_third_party_libraries.txt")
+
+if(MSVC)
+  # Turn off some VC++ warnings
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4267 /wd4668 /wd4311 /wd4800 /wd4820 /wd4503 /wd4244 /wd4345 /wd4996 /wd4396 /wd4018")
 else()
+  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -pedantic")
+endif()
 
-  set(CMAKE_PREFIX_PATH "${CMAKE_SOURCE_DIR}/src/cmake/modules/")
-  set(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/src/cmake/modules/")
-  message("CMAKE_PREFIX_PATH = ${CMAKE_PREFIX_PATH}")
-  message("CMAKE_MODULE_PATH = ${CMAKE_MODULE_PATH}")
-
-  enable_testing()
-
-  # For "make user_version"
-  include(${CMAKE_MODULE_PATH}/GUDHI_user_version_target.txt)
-  # For "make doxygen"
-  include(${CMAKE_MODULE_PATH}/GUDHI_doxygen_target.txt)
-
-  find_package(GMP)
-  if(GMP_FOUND)
-    message(STATUS "GMP_LIBRARIES = ${GMP_LIBRARIES}")
-    INCLUDE_DIRECTORIES(${GMP_INCLUDE_DIR})
-    find_package(GMPXX)
-    if(GMPXX_FOUND)
-      message(STATUS "GMPXX_LIBRARIES = ${GMPXX_LIBRARIES}")
-      INCLUDE_DIRECTORIES(${GMPXX_INCLUDE_DIR})
-    endif()
-  endif()
-
-  # In CMakeLists.txt, when include(${CGAL_USE_FILE}), CMAKE_CXX_FLAGS are overwritten.
-  # cf. http://doc.cgal.org/latest/Manual/installation.html#title40
-  # A workaround is to include(${CGAL_USE_FILE}) before adding "-std=c++11".
-  # A fix would be to use https://cmake.org/cmake/help/v3.1/prop_gbl/CMAKE_CXX_KNOWN_FEATURES.html 
-  # or even better https://cmake.org/cmake/help/v3.1/variable/CMAKE_CXX_STANDARD.html
-  # but it implies to use cmake version 3.1 at least.
-  find_package(CGAL)
-  # Only CGAL versions > 4.4 supports what Gudhi uses from CGAL
-  if (CGAL_VERSION VERSION_LESS 4.4.0)
-    message("CGAL version ${CGAL_VERSION} is considered too old to be used by Gudhi.")
-    unset(CGAL_FOUND)
-  endif()
-  if(CGAL_FOUND)
-    message(STATUS "CGAL version: ${CGAL_VERSION}.")
-    include( ${CGAL_USE_FILE} )
-
-    if (NOT CGAL_VERSION VERSION_LESS 4.8.0)
-      include_directories(BEFORE "src/common/include/gudhi_patches")
-    endif()
-  endif()
-  
-  if(MSVC)
-    # Turn off some VC++ warnings
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /wd4267 /wd4668 /wd4311 /wd4800 /wd4820 /wd4503 /wd4244 /wd4345 /wd4996 /wd4396 /wd4018")
-  else()
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11 -Wall -pedantic")
-  endif()
-
-  if(CMAKE_BUILD_TYPE MATCHES Debug)
-    message("++ Debug compilation flags are: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG}")
-  else()
-    message("++ Release compilation flags are: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE}")
-  endif()
-
-  set(Boost_USE_STATIC_LIBS        ON)
-  set(Boost_USE_MULTITHREADED      ON)
-  set(Boost_USE_STATIC_RUNTIME    OFF)
-
-  # Find TBB package for parallel sort - not mandatory, just optional.
-  set(TBB_FIND_QUIETLY ON)
-  find_package(TBB)
-  if (TBB_FOUND)
-    include(${TBB_USE_FILE})
-    message("TBB found in ${TBB_LIBRARY_DIRS}")
-    add_definitions(-DGUDHI_USE_TBB)
-  endif()
-
-  find_package(Eigen3 3.1.0)
-  if (EIGEN3_FOUND)
-    message(STATUS "Eigen3 version: ${EIGEN3_VERSION}.")
-    include( ${EIGEN3_USE_FILE} )
-    #include_directories (BEFORE "../../include")
-  endif (EIGEN3_FOUND)
-
-  # Required programs for unitary tests purpose
-  FIND_PROGRAM( GCOVR_PATH gcovr )
-  if (GCOVR_PATH)
-    message("gcovr found in ${GCOVR_PATH}")
-  endif()
-  # Required programs for unitary tests purpose
-  FIND_PROGRAM( GPROF_PATH gprof )
-  if (GPROF_PATH)
-    message("gprof found in ${GPROF_PATH}")
-  endif()
-  FIND_PROGRAM( DIFF_PATH diff )
-  if (DIFF_PATH)
-    message("diff found in ${DIFF_PATH}")
-  endif()
-
-  # BOOST ISSUE result_of vs C++11
-  add_definitions(-DBOOST_RESULT_OF_USE_DECLTYPE)
-  # BOOST ISSUE with Libraries name resolution under Windows
-  add_definitions(-DBOOST_ALL_NO_LIB)
-  # problem with Visual Studio link on Boost program_options
-  add_definitions( -DBOOST_ALL_DYN_LINK )
-
-  INCLUDE_DIRECTORIES(${Boost_INCLUDE_DIRS})
-  LINK_DIRECTORIES(${Boost_LIBRARY_DIRS})                      
-
-  message(STATUS "boost include dirs:" ${Boost_INCLUDE_DIRS})
-  message(STATUS "boost library dirs:" ${Boost_LIBRARY_DIRS})
-
-  if (DEBUG_TRACES)
-    # For programs to be more verbose
-    message(STATUS "DEBUG_TRACES are activated")
-    add_definitions(-DDEBUG_TRACES)
-  endif()
-
-  include_directories(src/common/include/)
-  include_directories(src/Alpha_complex/include/)
-  include_directories(src/Bitmap_cubical_complex/include/)
-  include_directories(src/Bottleneck_distance/include/)
-  include_directories(src/Contraction/include/)
-  include_directories(src/Hasse_complex/include/)
-  include_directories(src/Persistent_cohomology/include/)
-  include_directories(src/Rips_complex/include/)
-  include_directories(src/Simplex_tree/include/)
-  include_directories(src/Skeleton_blocker/include/)
-  include_directories(src/Spatial_searching/include/)
-  include_directories(src/Subsampling/include/)
-  include_directories(src/Tangential_complex/include/)
-  include_directories(src/Witness_complex/include/)
-
-  add_subdirectory(src/common/example)
-  add_subdirectory(src/common/test)
-  add_subdirectory(src/Simplex_tree/test)
-  add_subdirectory(src/Simplex_tree/example)
-  add_subdirectory(src/Persistent_cohomology/test)
-  add_subdirectory(src/Persistent_cohomology/example)
-  add_subdirectory(src/Persistent_cohomology/benchmark)
-  add_subdirectory(src/Skeleton_blocker/test) 
-  add_subdirectory(src/Skeleton_blocker/example) 
-  add_subdirectory(src/Contraction/example)
-  add_subdirectory(src/Witness_complex/test)
-  add_subdirectory(src/Witness_complex/example)
-  add_subdirectory(src/Bitmap_cubical_complex/test)
-  add_subdirectory(src/Bitmap_cubical_complex/example)
-  add_subdirectory(src/Alpha_complex/example)
-  add_subdirectory(src/Alpha_complex/test)
-  add_subdirectory(src/Spatial_searching/example)
-  add_subdirectory(src/Spatial_searching/test)
-  add_subdirectory(src/Subsampling/example)
-  add_subdirectory(src/Subsampling/test)
-  add_subdirectory(src/Tangential_complex/example)
-  add_subdirectory(src/Tangential_complex/test)
-  add_subdirectory(src/Tangential_complex/benchmark)
-  add_subdirectory(src/Bottleneck_distance/example)
-  add_subdirectory(src/Bottleneck_distance/test)
-  add_subdirectory(src/Bottleneck_distance/benchmark)
-  add_subdirectory(src/Rips_complex/example)
-  add_subdirectory(src/Rips_complex/test)
-
-  # data points generator
-  add_subdirectory(data/points/generator)
-
-  add_subdirectory(src/GudhUI)
-
-  # This variable is used by Cython CMakeLists.txt to know its path
-  set(GUDHI_CYTHON_PATH "src/cython")
-  add_subdirectory(${GUDHI_CYTHON_PATH})
-
-endif()  
-
-
+if(CMAKE_BUILD_TYPE MATCHES Debug)
+  message("++ Debug compilation flags are: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_DEBUG}")
+else()
+  message("++ Release compilation flags are: ${CMAKE_CXX_FLAGS} ${CMAKE_CXX_FLAGS_RELEASE}")
+endif()
+
+if (DEBUG_TRACES)
+  # For programs to be more verbose
+  message(STATUS "DEBUG_TRACES are activated")
+  add_definitions(-DDEBUG_TRACES)
+endif()
+
+include_directories(src/common/include/)
+include_directories(src/Alpha_complex/include/)
+include_directories(src/Bitmap_cubical_complex/include/)
+include_directories(src/Bottleneck_distance/include/)
+include_directories(src/Contraction/include/)
+include_directories(src/Hasse_complex/include/)
+include_directories(src/Persistent_cohomology/include/)
+include_directories(src/Rips_complex/include/)
+include_directories(src/Simplex_tree/include/)
+include_directories(src/Skeleton_blocker/include/)
+include_directories(src/Spatial_searching/include/)
+include_directories(src/Subsampling/include/)
+include_directories(src/Tangential_complex/include/)
+include_directories(src/Witness_complex/include/)
+
+add_subdirectory(src/common/example)
+add_subdirectory(src/common/test)
+add_subdirectory(src/Simplex_tree/test)
+add_subdirectory(src/Simplex_tree/example)
+add_subdirectory(src/Persistent_cohomology/test)
+add_subdirectory(src/Persistent_cohomology/example)
+add_subdirectory(src/Persistent_cohomology/benchmark)
+add_subdirectory(src/Skeleton_blocker/test)
+add_subdirectory(src/Skeleton_blocker/example)
+add_subdirectory(src/Contraction/example)
+add_subdirectory(src/Witness_complex/test)
+add_subdirectory(src/Witness_complex/example)
+add_subdirectory(src/Bitmap_cubical_complex/test)
+add_subdirectory(src/Bitmap_cubical_complex/example)
+add_subdirectory(src/Alpha_complex/example)
+add_subdirectory(src/Alpha_complex/test)
+add_subdirectory(src/Spatial_searching/example)
+add_subdirectory(src/Spatial_searching/test)
+add_subdirectory(src/Subsampling/example)
+add_subdirectory(src/Subsampling/test)
+add_subdirectory(src/Tangential_complex/example)
+add_subdirectory(src/Tangential_complex/test)
+add_subdirectory(src/Tangential_complex/benchmark)
+add_subdirectory(src/Bottleneck_distance/example)
+add_subdirectory(src/Bottleneck_distance/test)
+add_subdirectory(src/Bottleneck_distance/benchmark)
+add_subdirectory(src/Rips_complex/example)
+add_subdirectory(src/Rips_complex/test)
+
+# data points generator
+add_subdirectory(data/points/generator)
+
+add_subdirectory(src/GudhUI)
+
+# This variable is used by Cython CMakeLists.txt to know its path
+set(GUDHI_CYTHON_PATH "src/cython")
+add_subdirectory(${GUDHI_CYTHON_PATH})