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, 86 insertions, 0 deletions

diff --git a/src/cmake/modules/GUDHI_third_party_libraries.txt b/src/cmake/modules/GUDHI_third_party_libraries.txt
new file mode 100644
index 00000000..1a2b510f
--- /dev/null
+++ b/src/cmake/modules/GUDHI_third_party_libraries.txt
@@ -0,0 +1,86 @@
+# This files manage third party libraries required by GUDHI
+
+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.")
+endif(NOT Boost_FOUND)
+
+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( ${CGAL_USE_FILE} )
+
+  if (NOT CGAL_VERSION VERSION_LESS 4.8.0)
+    # For dev version
+    include_directories(BEFORE "src/common/include/gudhi_patches")
+    # For user version
+    include_directories(BEFORE "include/gudhi_patches")
+  endif()
+endif()
+
+# Find TBB package for parallel sort - not mandatory, just optional.
+set(TBB_FIND_QUIETLY ON)
+find_package(TBB)
+if (TBB_FOUND)
+  include(${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})