Check for pybind11

4 files changed, 31 insertions, 25 deletions

diff --git a/.appveyor.yml b/.appveyor.yml
index 4a76ea0a..3a33ed62 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -48,7 +48,7 @@ install:
   - pip --version
   - python -m pip install --upgrade pip
   - pip install -U setuptools numpy matplotlib scipy Cython pytest
-  - pip install -U POT
+  - pip install -U POT pybind11
 
 build_script:
   - mkdir build
diff --git a/.travis.yml b/.travis.yml
index d6c82e70..4b4c7068 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -59,7 +59,7 @@ before_cache:
 install: 
   - python3 -m pip install --upgrade pip setuptools wheel
   - python3 -m pip install --user pytest Cython sphinx sphinxcontrib-bibtex sphinx-paramlinks matplotlib numpy scipy scikit-learn
-  - python3 -m pip install --user POT
+  - python3 -m pip install --user POT pybind11
 
 script: 
   - rm -rf build
diff --git a/src/cmake/modules/GUDHI_third_party_libraries.cmake b/src/cmake/modules/GUDHI_third_party_libraries.cmake
index 24a34150..cb9f9033 100644
--- a/src/cmake/modules/GUDHI_third_party_libraries.cmake
+++ b/src/cmake/modules/GUDHI_third_party_libraries.cmake
@@ -127,6 +127,7 @@ if( PYTHONINTERP_FOUND )
   find_python_module("sphinx")
   find_python_module("sklearn")
   find_python_module("ot")
+  find_python_module("pybind11")
 endif()
 
 if(NOT GUDHI_PYTHON_PATH)
diff --git a/src/python/CMakeLists.txt b/src/python/CMakeLists.txt
index bec38305..edb1ba02 100644
--- a/src/python/CMakeLists.txt
+++ b/src/python/CMakeLists.txt
@@ -407,32 +407,37 @@ endif(CGAL_FOUND)
           if(SCIPY_FOUND)
             if(SKLEARN_FOUND)
               if(OT_FOUND)
-                if(NOT CGAL_WITH_EIGEN3_VERSION VERSION_LESS 4.11.0)
-                  set (GUDHI_SPHINX_MESSAGE "Generating API documentation with Sphinx in ${CMAKE_CURRENT_BINARY_DIR}/sphinx/")
-                  # User warning - Sphinx is a static pages generator, and configured to work fine with user_version
-                  # Images and biblio warnings because not found on developper version
-                  if (GUDHI_PYTHON_PATH STREQUAL "src/python")
-                    set (GUDHI_SPHINX_MESSAGE "${GUDHI_SPHINX_MESSAGE} \n WARNING : Sphinx is configured for user version, you run it on developper version. Images and biblio will miss")
-                  endif()
-                  # sphinx target requires gudhi.so, because conf.py reads gudhi version from it
-                  add_custom_target(sphinx
-                      WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/doc
-                      COMMAND ${CMAKE_COMMAND} -E env "PYTHONPATH=${CMAKE_CURRENT_BINARY_DIR}"
-                      ${SPHINX_PATH} -b html ${CMAKE_CURRENT_SOURCE_DIR}/doc ${CMAKE_CURRENT_BINARY_DIR}/sphinx
-                      DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/gudhi.so"
-                      COMMENT "${GUDHI_SPHINX_MESSAGE}" VERBATIM)
+                if(PYBIND11_FOUND)
+                  if(NOT CGAL_WITH_EIGEN3_VERSION VERSION_LESS 4.11.0)
+                    set (GUDHI_SPHINX_MESSAGE "Generating API documentation with Sphinx in ${CMAKE_CURRENT_BINARY_DIR}/sphinx/")
+                    # User warning - Sphinx is a static pages generator, and configured to work fine with user_version
+                    # Images and biblio warnings because not found on developper version
+                    if (GUDHI_PYTHON_PATH STREQUAL "src/python")
+                      set (GUDHI_SPHINX_MESSAGE "${GUDHI_SPHINX_MESSAGE} \n WARNING : Sphinx is configured for user version, you run it on developper version. Images and biblio will miss")
+                    endif()
+                    # sphinx target requires gudhi.so, because conf.py reads gudhi version from it
+                    add_custom_target(sphinx
+                        WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/doc
+                        COMMAND ${CMAKE_COMMAND} -E env "PYTHONPATH=${CMAKE_CURRENT_BINARY_DIR}"
+                        ${SPHINX_PATH} -b html ${CMAKE_CURRENT_SOURCE_DIR}/doc ${CMAKE_CURRENT_BINARY_DIR}/sphinx
+                        DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/gudhi.so"
+                        COMMENT "${GUDHI_SPHINX_MESSAGE}" VERBATIM)
   
-                  add_test(NAME sphinx_py_test
-                           WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
-                           COMMAND ${CMAKE_COMMAND} -E env "PYTHONPATH=${CMAKE_CURRENT_BINARY_DIR}"
-                           ${SPHINX_PATH} -b doctest ${CMAKE_CURRENT_SOURCE_DIR}/doc ${CMAKE_CURRENT_BINARY_DIR}/doctest)
+                    add_test(NAME sphinx_py_test
+                             WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
+                             COMMAND ${CMAKE_COMMAND} -E env "PYTHONPATH=${CMAKE_CURRENT_BINARY_DIR}"
+                             ${SPHINX_PATH} -b doctest ${CMAKE_CURRENT_SOURCE_DIR}/doc ${CMAKE_CURRENT_BINARY_DIR}/doctest)
   
-                  # Set missing or not modules
-                  set(GUDHI_MODULES ${GUDHI_MODULES} "python-documentation" CACHE INTERNAL "GUDHI_MODULES")
-                else(NOT CGAL_WITH_EIGEN3_VERSION VERSION_LESS 4.11.0)
-                  message("++ Python documentation module will not be compiled because it requires a Eigen3 and CGAL version >= 4.11.0")
+                    # Set missing or not modules
+                    set(GUDHI_MODULES ${GUDHI_MODULES} "python-documentation" CACHE INTERNAL "GUDHI_MODULES")
+                  else(NOT CGAL_WITH_EIGEN3_VERSION VERSION_LESS 4.11.0)
+                    message("++ Python documentation module will not be compiled because it requires a Eigen3 and CGAL version >= 4.11.0")
+                    set(GUDHI_MISSING_MODULES ${GUDHI_MISSING_MODULES} "python-documentation" CACHE INTERNAL "GUDHI_MISSING_MODULES")
+                  endif(NOT CGAL_WITH_EIGEN3_VERSION VERSION_LESS 4.11.0)
+                else(PYBIND11_FOUND)
+                  message("++ Python documentation module will not be compiled because pybind11 was not found")
                   set(GUDHI_MISSING_MODULES ${GUDHI_MISSING_MODULES} "python-documentation" CACHE INTERNAL "GUDHI_MISSING_MODULES")
-                endif(NOT CGAL_WITH_EIGEN3_VERSION VERSION_LESS 4.11.0)
+                endif(PYBIND11_FOUND)
               else(OT_FOUND)
                 message("++ Python documentation module will not be compiled because POT was not found")
                 set(GUDHI_MISSING_MODULES ${GUDHI_MISSING_MODULES} "python-documentation" CACHE INTERNAL "GUDHI_MISSING_MODULES")