提前安裝engin3
編譯ceres時:error: ‘integer_sequence’ is not a member of ‘std‘錯誤
https://blog.csdn.net/qq_41586768/article/details/107541917
視覺slam十四講第六章中,按照上安裝的ceres庫版本,以及網上大多數教程安裝的版本都會和eigen3(3.3.7)有沖突,編譯時會報如下錯誤:
/usr/local/include/ceres/internal/integer_sequence_algorithm.h:64:16: error: ‘integer_sequence’ is not a member of ‘std’ struct SumImpl<std::integer_sequence<T, N, Ns...>> { ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:64:16: error: ‘integer_sequence’ is not a member of ‘std’ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:64:46: error: wrong number of template arguments (3, should be 1) struct SumImpl<std::integer_sequence<T, N, Ns...>> { ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:60:8: note: provided for ‘template<class Seq> struct ceres::internal::SumImpl’ struct SumImpl; ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:64:49: error: expected unqualified-id before ‘>’ token struct SumImpl<std::integer_sequence<T, N, Ns...>> { ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:70:16: error: ‘integer_sequence’ is not a member of ‘std’ struct SumImpl<std::integer_sequence<T, N1, N2, Ns...>> { ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:70:16: error: ‘integer_sequence’ is not a member of ‘std’ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:70:51: error: wrong number of template arguments (4, should be 1) struct SumImpl<std::integer_sequence<T, N1, N2, Ns...>> { ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:60:8: note: provided for ‘template<class Seq> struct ceres::internal::SumImpl’ struct SumImpl; ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:70:54: error: expected unqualified-id before ‘>’ token struct SumImpl<std::integer_sequence<T, N1, N2, Ns...>> { ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:77:16: error: ‘integer_sequence’ is not a member of ‘std’ struct SumImpl<std::integer_sequence<T, N1, N2, N3, N4, Ns...>> { ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:77:16: error: ‘integer_sequence’ is not a member of ‘std’ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:77:59: error: wrong number of template arguments (6, should be 1) struct SumImpl<std::integer_sequence<T, N1, N2, N3, N4, Ns...>> { ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:60:8: note: provided for ‘template<class Seq> struct ceres::internal::SumImpl’ struct SumImpl; ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:77:62: error: expected unqualified-id before ‘>’ token struct SumImpl<std::integer_sequence<T, N1, N2, N3, N4, Ns...>> { ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:84:16: error: ‘integer_sequence’ is not a member of ‘std’ struct SumImpl<std::integer_sequence<T, N>> { ^ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:84:16: error: ‘integer_sequence’ is not a member of ‘std’ /usr/local/include/ceres/internal/integer_sequence_algorithm.h:84:41: error: wrong number of template arguments (2, should be 1) struct SumImpl<std::integer_sequence<T, N>> {
這里換成1.14.0版本的ceres問題得以解決;
1.先刪除之前的ceres-solver:
sudo rm -r /usr/local/lib/cmake/Ceres sudo rm -rf /usr/local/include/ceres /usr/local/lib/libceres.a sudo rm -r /usr/local/share/Ceres
2.下載ceres-solver-1.14.0
wget ceres-solver.org/ceres-solver-1.14.0.tar.gz
3.解壓
tar xvf ceres-solver-1.14.0.tar.gz
4.編譯
cd ceres-solver-1.14.0 mkdir build cd build cmake .. make -j4 make test
5.安裝
sudo make install
6.編譯ceres_curve_fiiting
cd到ceres_curve_fiiting文件夾下
mkdir build cd build cmake .. make ./curve_fitting
成功編譯!