安装 .pro 文件时出错，在 Debian 上存在 Eigen、libigl 依赖项

Question

我正在尝试在 Debian-9 上使用 'make' 安装 .pro 文件。依赖项是 Qt5、GSL、libigl、Eigen 和 Boost，它们的最新版本已安装。我使用了以下内容：

# cd build
# qmake -qt=qt5 ../qt/myfile.pro
# make

这是我得到的错误：

../libigl/include/igl/copyleft/boolean/../cgal/order_facets_around_edge.cpp:203:36: error: ‘Eigen::PlainObjectBase<Derived>::PlainObjectBase() [with Derived = Eigen::Matrix<int, -1, 1>]’ is protected within this context
   Eigen::PlainObjectBase<DerivedI> positive_order, negative_order;
                                    ^~~~~~~~~~~~~~
In file included from /usr/local/include/eigen3/Eigen/Core:457:0,
                 from ../libigl/include/igl/copyleft/boolean/mesh_boolean.h:15,
                 from ../src/mesh.cpp:12:
/usr/local/include/eigen3/Eigen/src/Core/PlainObjectBase.h:484:25: note: declared protected here
     EIGEN_STRONG_INLINE PlainObjectBase() : m_storage()
                         ^~~~~~~~~~~~~~~
In file included from ../libigl/include/igl/copyleft/boolean/../cgal/order_facets_around_edge.h:75:0,
                 from ../libigl/include/igl/copyleft/boolean/../cgal/propagate_winding_numbers.cpp:18,
                 from ../libigl/include/igl/copyleft/boolean/../cgal/propagate_winding_numbers.h:101,
                 from ../libigl/include/igl/copyleft/boolean/mesh_boolean.cpp:13,
                 from ../libigl/include/igl/copyleft/boolean/mesh_boolean.h:172,
                 from ../src/mesh.cpp:12:
../libigl/include/igl/copyleft/boolean/../cgal/order_facets_around_edge.cpp:203:52: error: ‘Eigen::PlainObjectBase<Derived>::PlainObjectBase() [with Derived = Eigen::Matrix<int, -1, 1>]’ is protected within this context
   Eigen::PlainObjectBase<DerivedI> positive_order, negative_order;
                                                    ^~~~~~~~~~~~~~
In file included from /usr/local/include/eigen3/Eigen/Core:457:0,
                 from ../libigl/include/igl/copyleft/boolean/mesh_boolean.h:15,
                 from ../src/mesh.cpp:12:
/usr/local/include/eigen3/Eigen/src/Core/PlainObjectBase.h:484:25: note: declared protected here
     EIGEN_STRONG_INLINE PlainObjectBase() : m_storage()
                         ^~~~~~~~~~~~~~~
Makefile:891: recipe for target 'mesh.o' failed

有人可以帮我解决这里的问题吗？

Answer 1

这一行

Eigen::PlainObjectBase<DerivedI> positive_order, negative_order;

不会编译。它可能曾经为较旧的 Eigen 版本编译过——但这不是应该使用 Eigen-Base 类型的方式，因此它可能从未按预期工作（这也是为什么 Base-constructors 在 Eigen 中受到保护的原因） .

但是，该行在最新的 order_facets_around_edge.cpp 中不存在，因此您似乎使用的是过时的 libigl 版本。

安装 .pro 文件时出错，在 Debian 上存在 Eigen、libigl 依赖项

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