compile error when #define BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS

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#394 opened on Sep 20, 2022 0 comments 0 reactions 0 assignees View on GitHub

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Assessment

Difficulty: 4/5
Estimated time: 3-5 days
Newbie friendliness: 45/100

Issue type: Bug
Clarity: Mostly clear
Activity status: Stale
Tech stack: cmake, cpp, python
Domain: backend, build-system

Research direction

Reproduce the failure with main.cpp and CMakeLists.txt using BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS and the reported CMake build. Start with boost/mpl/aux_/numeric_op.hpp and the include path from boost/python/object.hpp; done means the minimal program compiles successfully with the macro enabled on the reported toolchains.

Written by the indexing model from the issue text.

Description

I have tried on MSVC 14.2(Windows), gcc 9.4(Ubuntu) with Python 3.8 or 3.9.

To reproduce:

// main.cpp
#define BOOST_MPL_CFG_NO_PREPROCESSED_HEADERS

#include <boost/python/object.hpp>

int main(int argc, char* argv[]) {
    return 0;
}

# CMakeLists.txt
cmake_minimum_required(VERSION 3.0)

set(CMAKE_BUILD_TYPE "Release")
project(bp_mpl)
set(TARGET_PLATFORM x64)
set(CMAKE_CXX_FLAGS "-Wall -std=c++17")
set(CMAKE_CXX_FLAGS_RELEASE "-O3 -DNDEBUG")
set(Boost_USE_STATIC_LIBS ON)
set(Boost_USE_MULTITHREADED ON)
set(Boost_USE_STATIC_RUNTIME OFF)
set(BOOST_COMPONENTS
    date_time
    math_c99
    program_options
    random
    serialization
    unit_test_framework
    python3
)

find_package(Boost REQUIRED COMPONENTS ${BOOST_COMPONENTS})
set(PY_VERSION "3")
find_package(PythonInterp ${PY_VERSION} EXACT REQUIRED)
find_package(PythonLibs ${PY_VERSION} EXACT REQUIRED)

add_executable(
    main_exec
    main.cpp
)

target_include_directories(main_exec PUBLIC ${Boost_INCLUDE_DIRS} ${PYTHON_INCLUDE_DIRS})
target_link_libraries(main_exec PUBLIC ${Boost_LIBRARIES} ${PYTHON_LIBRARIES})

~/code/boost_py_mpl/build$ make main_exec
-- Configuring done
-- Generating done
-- Build files have been written to: /home/NA/code/boost_py_mpl/build
[ 50%] Building CXX object CMakeFiles/main_exec.dir/main.cpp.o
In file included from /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp:22,
                 from /usr/local/include/boost/mpl/int.hpp:20,
                 from /usr/local/include/boost/mpl/lambda_fwd.hpp:23,
                 from /usr/local/include/boost/mpl/aux_/na_spec.hpp:18,
                 from /usr/local/include/boost/mpl/if.hpp:19,
                 from /usr/local/include/boost/python/object/forward.hpp:8,
                 from /usr/local/include/boost/python/object/pointer_holder.hpp:16,
                 from /usr/local/include/boost/python/to_python_indirect.hpp:10,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:10,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:177:48: error: ‘BOOST_PP_ITERATION_02’ was not declared in this scope; did you mean ‘BOOST_PP_ITERATION_05’?
  177 |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
      |                                                ^
In file included from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/plus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:177:7: error: template argument 2 is invalid
  177 |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:177:7: error: template argument 1 is invalid
  177 |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:177:7: error: template argument 1 is invalid
  177 |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:177:7: error: template argument 1 is invalid
  177 |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
      |       ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp:22,
                 from /usr/local/include/boost/mpl/int.hpp:20,
                 from /usr/local/include/boost/mpl/lambda_fwd.hpp:23,
                 from /usr/local/include/boost/mpl/aux_/na_spec.hpp:18,
                 from /usr/local/include/boost/mpl/if.hpp:19,
                 from /usr/local/include/boost/python/object/forward.hpp:8,
                 from /usr/local/include/boost/python/object/pointer_holder.hpp:16,
                 from /usr/local/include/boost/python/to_python_indirect.hpp:10,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:10,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected nested-name-specifier before numeric constant
  298 |       BOOST_MPL_PP_PARAMS(i_, typename N)
      |                                        ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected ‘>’ before numeric constant
In file included from /usr/local/include/boost/preprocessor/iteration/detail/iter/limits/reverse1_256.hpp:1274,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/reverse1.hpp:1309,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/forward1.hpp:45,
                 from /usr/local/include/boost/mpl/aux_/numeric_op.hpp:188,
                 from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/plus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 1 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
  300 | struct AUX778076_OP_NAME<BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na)>
      |                                                                     ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘41’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘42’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 3 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘43’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 4 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘44’
In file included from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/plus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: ‘N1’ was not declared in this scope; did you mean ‘y1’?
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: template argument 1 is invalid
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: note:   expected a type, got ‘42’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: template argument 1 is invalid
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: note:   expected a type, got ‘43’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: template argument 1 is invalid
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: note:   expected a type, got ‘44’
In file included from /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp:22,
                 from /usr/local/include/boost/mpl/int.hpp:20,
                 from /usr/local/include/boost/mpl/lambda_fwd.hpp:23,
                 from /usr/local/include/boost/mpl/aux_/na_spec.hpp:18,
                 from /usr/local/include/boost/mpl/if.hpp:19,
                 from /usr/local/include/boost/python/object/forward.hpp:8,
                 from /usr/local/include/boost/python/object/pointer_holder.hpp:16,
                 from /usr/local/include/boost/python/to_python_indirect.hpp:10,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:10,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected nested-name-specifier before numeric constant
  298 |       BOOST_MPL_PP_PARAMS(i_, typename N)
      |                                        ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected ‘>’ before numeric constant
In file included from /usr/local/include/boost/preprocessor/iteration/detail/iter/limits/reverse1_256.hpp:1279,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/reverse1.hpp:1309,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/forward1.hpp:45,
                 from /usr/local/include/boost/mpl/aux_/numeric_op.hpp:188,
                 from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/plus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 1 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
  300 | struct AUX778076_OP_NAME<BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na)>
      |                                                                     ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘31’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘32’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 3 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘33’
In file included from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/plus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: ‘N1’ was not declared in this scope; did you mean ‘y1’?
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: template argument 1 is invalid
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: note:   expected a type, got ‘32’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: template argument 1 is invalid
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: note:   expected a type, got ‘33’
In file included from /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp:22,
                 from /usr/local/include/boost/mpl/int.hpp:20,
                 from /usr/local/include/boost/mpl/lambda_fwd.hpp:23,
                 from /usr/local/include/boost/mpl/aux_/na_spec.hpp:18,
                 from /usr/local/include/boost/mpl/if.hpp:19,
                 from /usr/local/include/boost/python/object/forward.hpp:8,
                 from /usr/local/include/boost/python/object/pointer_holder.hpp:16,
                 from /usr/local/include/boost/python/to_python_indirect.hpp:10,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:10,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected nested-name-specifier before numeric constant
  298 |       BOOST_MPL_PP_PARAMS(i_, typename N)
      |                                        ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected ‘>’ before numeric constant
In file included from /usr/local/include/boost/preprocessor/iteration/detail/iter/limits/reverse1_256.hpp:1284,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/reverse1.hpp:1309,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/forward1.hpp:45,
                 from /usr/local/include/boost/mpl/aux_/numeric_op.hpp:188,
                 from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/plus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 1 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
  300 | struct AUX778076_OP_NAME<BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na)>
      |                                                                     ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘21’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::plus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘22’
In file included from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/plus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:251:42: error: ‘N1’ was not declared in this scope; did you mean ‘y1’?
  251 |           typename AUX778076_OP_TAG_NAME<N1>::type
      |                                          ^~
      |                                          y1
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:251:44: error: template argument 1 is invalid
  251 |           typename AUX778076_OP_TAG_NAME<N1>::type
      |                                            ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:252:42: error: ‘N2’ was not declared in this scope
  252 |         , typename AUX778076_OP_TAG_NAME<N2>::type
      |                                          ^~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:252:44: error: template argument 1 is invalid
  252 |         , typename AUX778076_OP_TAG_NAME<N2>::type
      |                                            ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:253:9: error: template argument 1 is invalid
  253 |         >::template apply<N1,N2>::type
      |         ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:253:9: error: template argument 2 is invalid
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:253:12: error: expected class-name before ‘template’
  253 |         >::template apply<N1,N2>::type
      |            ^~~~~~~~
In file included from /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp:22,
                 from /usr/local/include/boost/mpl/int.hpp:20,
                 from /usr/local/include/boost/mpl/lambda_fwd.hpp:23,
                 from /usr/local/include/boost/mpl/aux_/na_spec.hpp:18,
                 from /usr/local/include/boost/mpl/if.hpp:19,
                 from /usr/local/include/boost/python/object/forward.hpp:8,
                 from /usr/local/include/boost/python/object/pointer_holder.hpp:16,
                 from /usr/local/include/boost/python/to_python_indirect.hpp:10,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:10,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:177:48: error: ‘BOOST_PP_ITERATION_02’ was not declared in this scope; did you mean ‘BOOST_PP_ITERATION_05’?
  177 |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
      |                                                ^
In file included from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/minus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:20,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:177:7: error: template argument 2 is invalid
  177 |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:177:7: error: template argument 1 is invalid
  177 |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:177:7: error: template argument 1 is invalid
  177 |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:177:7: error: template argument 1 is invalid
  177 |     : AUX778076_OP_N_CALLS(AUX778076_OP_ARITY, N)
      |       ^~~~~~~~~~~~~~~~~~~~
In file included from /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp:22,
                 from /usr/local/include/boost/mpl/int.hpp:20,
                 from /usr/local/include/boost/mpl/lambda_fwd.hpp:23,
                 from /usr/local/include/boost/mpl/aux_/na_spec.hpp:18,
                 from /usr/local/include/boost/mpl/if.hpp:19,
                 from /usr/local/include/boost/python/object/forward.hpp:8,
                 from /usr/local/include/boost/python/object/pointer_holder.hpp:16,
                 from /usr/local/include/boost/python/to_python_indirect.hpp:10,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:10,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected nested-name-specifier before numeric constant
  298 |       BOOST_MPL_PP_PARAMS(i_, typename N)
      |                                        ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected ‘>’ before numeric constant
In file included from /usr/local/include/boost/preprocessor/iteration/detail/iter/limits/reverse1_256.hpp:1274,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/reverse1.hpp:1309,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/forward1.hpp:45,
                 from /usr/local/include/boost/mpl/aux_/numeric_op.hpp:188,
                 from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/minus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:20,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 1 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
  300 | struct AUX778076_OP_NAME<BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na)>
      |                                                                     ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘41’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘42’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 3 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘43’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 4 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘44’
In file included from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/minus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:20,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: ‘N1’ was not declared in this scope; did you mean ‘y1’?
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: template argument 1 is invalid
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: note:   expected a type, got ‘42’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: template argument 1 is invalid
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: note:   expected a type, got ‘43’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: template argument 1 is invalid
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: note:   expected a type, got ‘44’
In file included from /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp:22,
                 from /usr/local/include/boost/mpl/int.hpp:20,
                 from /usr/local/include/boost/mpl/lambda_fwd.hpp:23,
                 from /usr/local/include/boost/mpl/aux_/na_spec.hpp:18,
                 from /usr/local/include/boost/mpl/if.hpp:19,
                 from /usr/local/include/boost/python/object/forward.hpp:8,
                 from /usr/local/include/boost/python/object/pointer_holder.hpp:16,
                 from /usr/local/include/boost/python/to_python_indirect.hpp:10,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:10,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected nested-name-specifier before numeric constant
  298 |       BOOST_MPL_PP_PARAMS(i_, typename N)
      |                                        ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected ‘>’ before numeric constant
In file included from /usr/local/include/boost/preprocessor/iteration/detail/iter/limits/reverse1_256.hpp:1279,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/reverse1.hpp:1309,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/forward1.hpp:45,
                 from /usr/local/include/boost/mpl/aux_/numeric_op.hpp:188,
                 from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/minus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:20,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 1 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
  300 | struct AUX778076_OP_NAME<BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na)>
      |                                                                     ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘31’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘32’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 3 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘33’
In file included from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/minus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:20,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: ‘N1’ was not declared in this scope; did you mean ‘y1’?
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: template argument 1 is invalid
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: note:   expected a type, got ‘32’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: template argument 1 is invalid
  302 |     : AUX778076_OP_N_CALLS(i_, N)
      |       ^~~~~~~~~~~~~~~~~~~~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:302:7: note:   expected a type, got ‘33’
In file included from /usr/local/include/boost/mpl/aux_/integral_wrapper.hpp:22,
                 from /usr/local/include/boost/mpl/int.hpp:20,
                 from /usr/local/include/boost/mpl/lambda_fwd.hpp:23,
                 from /usr/local/include/boost/mpl/aux_/na_spec.hpp:18,
                 from /usr/local/include/boost/mpl/if.hpp:19,
                 from /usr/local/include/boost/python/object/forward.hpp:8,
                 from /usr/local/include/boost/python/object/pointer_holder.hpp:16,
                 from /usr/local/include/boost/python/to_python_indirect.hpp:10,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:10,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected nested-name-specifier before numeric constant
  298 |       BOOST_MPL_PP_PARAMS(i_, typename N)
      |                                        ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:298:40: error: expected ‘>’ before numeric constant
In file included from /usr/local/include/boost/preprocessor/iteration/detail/iter/limits/reverse1_256.hpp:1284,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/reverse1.hpp:1309,
                 from /usr/local/include/boost/preprocessor/iteration/detail/iter/forward1.hpp:45,
                 from /usr/local/include/boost/mpl/aux_/numeric_op.hpp:188,
                 from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/minus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:20,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 1 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
  300 | struct AUX778076_OP_NAME<BOOST_MPL_PP_PARTIAL_SPEC_PARAMS(i_, N, na)>
      |                                                                     ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘21’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: error: type/value mismatch at argument 2 in template parameter list for ‘template<class N1, class N2, class BOOST_PP_ITERATION_03, class BOOST_PP_ITERATION_04, class BOOST_PP_ITERATION_05> struct boost::mpl::minus’
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:300:69: note:   expected a type, got ‘22’
In file included from /usr/local/include/boost/mpl/aux_/arithmetic_op.hpp:26,
                 from /usr/local/include/boost/mpl/minus.hpp:19,
                 from /usr/local/include/boost/mpl/vector/aux_/iterator.hpp:20,
                 from /usr/local/include/boost/mpl/vector/aux_/vector0.hpp:22,
                 from /usr/local/include/boost/mpl/vector/aux_/clear.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector0.hpp:24,
                 from /usr/local/include/boost/mpl/vector/vector10.hpp:18,
                 from /usr/local/include/boost/mpl/vector/vector20.hpp:18,
                 from /usr/local/include/boost/python/detail/type_list.hpp:28,
                 from /usr/local/include/boost/python/signature.hpp:26,
                 from /usr/local/include/boost/python/object/function_handle.hpp:11,
                 from /usr/local/include/boost/python/converter/arg_to_python.hpp:19,
                 from /usr/local/include/boost/python/call.hpp:15,
                 from /usr/local/include/boost/python/object_core.hpp:14,
                 from /usr/local/include/boost/python/object.hpp:9,
                 from /home/NA/code/boost_py_mpl/main.cpp:3:
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:251:42: error: ‘N1’ was not declared in this scope; did you mean ‘y1’?
  251 |           typename AUX778076_OP_TAG_NAME<N1>::type
      |                                          ^~
      |                                          y1
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:251:44: error: template argument 1 is invalid
  251 |           typename AUX778076_OP_TAG_NAME<N1>::type
      |                                            ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:252:42: error: ‘N2’ was not declared in this scope
  252 |         , typename AUX778076_OP_TAG_NAME<N2>::type
      |                                          ^~
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:252:44: error: template argument 1 is invalid
  252 |         , typename AUX778076_OP_TAG_NAME<N2>::type
      |                                            ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:253:9: error: template argument 1 is invalid
  253 |         >::template apply<N1,N2>::type
      |         ^
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:253:9: error: template argument 2 is invalid
/usr/local/include/boost/mpl/aux_/numeric_op.hpp:253:12: error: expected class-name before ‘template’
  253 |         >::template apply<N1,N2>::type
      |            ^~~~~~~~
make[3]: *** [CMakeFiles/main_exec.dir/build.make:63: CMakeFiles/main_exec.dir/main.cpp.o] Error 1
make[2]: *** [CMakeFiles/Makefile2:76: CMakeFiles/main_exec.dir/all] Error 2
make[1]: *** [CMakeFiles/Makefile2:83: CMakeFiles/main_exec.dir/rule] Error 2
make: *** [Makefile:118: main_exec] Error 2

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