gmpxx is required only for Multi-field persistence examples

git-svn-id: svn+ssh://scm.gforge.inria.fr/svnroot/gudhi/branches/tbb_msvc2015@1302 636b058d-ea47-450e-bf9e-a15bfbe3eedb

Former-commit-id: 567bf69e3efba23f065d296c2b3d69578c377be3

1 files changed, 23 insertions, 18 deletions

diff --git a/src/Persistent_cohomology/example/CMakeLists.txt b/src/Persistent_cohomology/example/CMakeLists.txt
index 9582e19b..d081b662 100644
--- a/src/Persistent_cohomology/example/CMakeLists.txt
+++ b/src/Persistent_cohomology/example/CMakeLists.txt
@@ -35,28 +35,31 @@ add_test(rips_persistence_via_boundary_matrix_3 ${CMAKE_CURRENT_BINARY_DIR}/rips
 add_test(persistence_from_file_3_2_0 ${CMAKE_CURRENT_BINARY_DIR}/persistence_from_file ${CMAKE_SOURCE_DIR}/data/points/bunny_5000.st -p 2 -m 0)
 add_test(persistence_from_file_3_3_100 ${CMAKE_CURRENT_BINARY_DIR}/persistence_from_file ${CMAKE_SOURCE_DIR}/data/points/bunny_5000.st -p 3 -m 100)
    
-if(GMPXX_FOUND AND GMP_FOUND)
-   message("GMPXX_LIBRARIES = ${GMPXX_LIBRARIES}")
+if(GMP_FOUND)
    message("GMP_LIBRARIES = ${GMP_LIBRARIES}")
 
-   add_executable(rips_multifield_persistence rips_multifield_persistence.cpp )
-   target_link_libraries(rips_multifield_persistence ${Boost_SYSTEM_LIBRARY} ${Boost_PROGRAM_OPTIONS_LIBRARY} ${GMPXX_LIBRARIES} ${GMP_LIBRARIES})
-   add_executable ( performance_rips_persistence performance_rips_persistence.cpp )
-   target_link_libraries(performance_rips_persistence ${Boost_SYSTEM_LIBRARY} ${Boost_PROGRAM_OPTIONS_LIBRARY} ${GMPXX_LIBRARIES} ${GMP_LIBRARIES})
-   if (TBB_FOUND)
-     target_link_libraries(rips_multifield_persistence ${TBB_LIBRARIES})
-     target_link_libraries(performance_rips_persistence ${TBB_LIBRARIES})
-   endif()
+   if(GMPXX_FOUND)
+      message("GMPXX_LIBRARIES = ${GMPXX_LIBRARIES}")
+
+      add_executable(rips_multifield_persistence rips_multifield_persistence.cpp )
+      target_link_libraries(rips_multifield_persistence ${Boost_SYSTEM_LIBRARY} ${Boost_PROGRAM_OPTIONS_LIBRARY} ${GMPXX_LIBRARIES} ${GMP_LIBRARIES})
+      add_executable ( performance_rips_persistence performance_rips_persistence.cpp )
+      target_link_libraries(performance_rips_persistence ${Boost_SYSTEM_LIBRARY} ${Boost_PROGRAM_OPTIONS_LIBRARY} ${GMPXX_LIBRARIES} ${GMP_LIBRARIES})
+      if (TBB_FOUND)
+        target_link_libraries(rips_multifield_persistence ${TBB_LIBRARIES})
+        target_link_libraries(performance_rips_persistence ${TBB_LIBRARIES})
+      endif(TBB_FOUND)
 
    add_test(rips_multifield_persistence_2_71 ${CMAKE_CURRENT_BINARY_DIR}/rips_multifield_persistence ${CMAKE_SOURCE_DIR}/data/points/Kl.txt -r 0.2 -d 3 -p 2 -q 71 -m 100)
+   endif(GMPXX_FOUND)
 
   if(CGAL_FOUND)
     add_executable(alpha_complex_3d_persistence alpha_complex_3d_persistence.cpp)
-    target_link_libraries(alpha_complex_3d_persistence ${Boost_SYSTEM_LIBRARY} ${GMPXX_LIBRARIES} ${GMP_LIBRARIES} ${CGAL_LIBRARY})
+    target_link_libraries(alpha_complex_3d_persistence ${Boost_SYSTEM_LIBRARY} ${GMP_LIBRARIES} ${CGAL_LIBRARY})
 
     if (TBB_FOUND)
       target_link_libraries(alpha_complex_3d_persistence ${TBB_LIBRARIES})
-    endif()
+    endif(TBB_FOUND)
     add_test(alpha_complex_3d_persistence_2_0_5 ${CMAKE_CURRENT_BINARY_DIR}/alpha_complex_3d_persistence ${CMAKE_SOURCE_DIR}/data/points/tore3D_300.off 2 0.45)
 
 
@@ -72,28 +75,30 @@ if(GMPXX_FOUND AND GMP_FOUND)
         target_link_libraries(alpha_complex_persistence  ${Boost_SYSTEM_LIBRARY} ${CGAL_LIBRARY} ${Boost_PROGRAM_OPTIONS_LIBRARY})
 
         add_executable(periodic_alpha_complex_3d_persistence periodic_alpha_complex_3d_persistence.cpp)
-        target_link_libraries(periodic_alpha_complex_3d_persistence ${Boost_SYSTEM_LIBRARY} ${GMPXX_LIBRARIES} ${GMP_LIBRARIES} ${CGAL_LIBRARY})
+        target_link_libraries(periodic_alpha_complex_3d_persistence ${Boost_SYSTEM_LIBRARY} ${GMP_LIBRARIES} ${CGAL_LIBRARY})
 
         add_executable(custom_persistence_sort custom_persistence_sort.cpp)
-        target_link_libraries(custom_persistence_sort ${Boost_SYSTEM_LIBRARY} ${GMPXX_LIBRARIES} ${GMP_LIBRARIES} ${CGAL_LIBRARY})
+        target_link_libraries(custom_persistence_sort ${Boost_SYSTEM_LIBRARY} ${GMP_LIBRARIES} ${CGAL_LIBRARY})
 
         if (TBB_FOUND)
           target_link_libraries(alpha_complex_persistence ${TBB_LIBRARIES})
           target_link_libraries(periodic_alpha_complex_3d_persistence ${TBB_LIBRARIES})
           target_link_libraries(custom_persistence_sort ${TBB_LIBRARIES})
-        endif()
+        endif(TBB_FOUND)
         add_test(alpha_complex_persistence_2_0_45 ${CMAKE_CURRENT_BINARY_DIR}/alpha_complex_persistence ${CMAKE_SOURCE_DIR}/data/points/tore3D_300.off -m 0.45 -p 2)
         add_test(periodic_alpha_complex_3d_persistence_2_0 ${CMAKE_CURRENT_BINARY_DIR}/periodic_alpha_complex_3d_persistence ${CMAKE_SOURCE_DIR}/data/points/grid_10_10_10_in_0_1.off ${CMAKE_SOURCE_DIR}/data/points/iso_cuboid_3_in_0_1.txt 2 0)
         add_test(custom_persistence_sort ${CMAKE_CURRENT_BINARY_DIR}/custom_persistence_sort)
 
       else()
         message(WARNING "Eigen3 not found. Version 3.1.0 is required for Alpha shapes feature.")
-      endif()
+      endif(EIGEN3_FOUND)
     else()
       message(WARNING "CGAL version: ${CGAL_VERSION} is too old to compile Alpha shapes feature. Version 4.6.0 is required.")
     endif ()
   else()
     # message(WARNING "CGAL not found.")
-  endif()
+  endif(CGAL_FOUND)
    
-endif()
+else()
+  # message(WARNING "GMP not found.")
+endif(GMP_FOUND)