diff options
Diffstat (limited to 'src/cmake/modules/GUDHI_third_party_libraries.cmake')
| -rw-r--r-- | src/cmake/modules/GUDHI_third_party_libraries.cmake | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/cmake/modules/GUDHI_third_party_libraries.cmake b/src/cmake/modules/GUDHI_third_party_libraries.cmake index 7c982b3b..6a94d1f5 100644 --- a/src/cmake/modules/GUDHI_third_party_libraries.cmake +++ b/src/cmake/modules/GUDHI_third_party_libraries.cmake @@ -19,6 +19,15 @@ if(GMP_FOUND) endif() endif() +# from windows vcpkg eigen 3.4.0#2 : build fails with +# error C2440: '<function-style-cast>': cannot convert from 'Eigen::EigenBase<Derived>::Index' to '__gmp_expr<mpq_t,mpq_t>' +# cf. https://gitlab.com/libeigen/eigen/-/issues/2476 +# Workaround is to compile with '-DEIGEN_DEFAULT_DENSE_INDEX_TYPE=int' +if (FORCE_EIGEN_DEFAULT_DENSE_INDEX_TYPE_TO_INT) + message("++ User explicit demand to force EIGEN_DEFAULT_DENSE_INDEX_TYPE to int") + add_definitions(-DEIGEN_DEFAULT_DENSE_INDEX_TYPE=int) +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". |