Mailman 3 October 2018 - Cplusplus-sig

Problem building the tutorial
by Florian Landolt Oct. 24, 2018

Oct. 24, 2018

Hello, I wen't through the tutorial and got stuck at building the quickstart example. My setup: windows 10 msvc-14.1 Anaconda python 2.7 I have setup the user-config.jam file as follows: # Python configuration using python : 2.7 : C:\\Users\\Florian_Landolt\\Anaconda3\\envs\\python27_env_1 ; The main problem seems to be: / extending.cpp(5): fatal error C1083: Datei (Include) kann nicht geöffnet werden: "boost/python/class.hpp": No such file or directory/ and / embedding.cpp(6): fatal error C1083: Datei (Include) kann nicht geöffnet werden: "boost/python.hpp": No such file or directory/ I would be very grateful if anyone could help. The console output of the build command: / bjam toolset=msvc --verbose-test --debug-configuration test/ is: notice: found boost-build.jam at C:/boost/boost_1_68_0/boost-build.jam notice: loading Boost.Build from C:/boost/boost_1_68_0/tools/build/src notice: Searching 'C:\WINDOWS' 'C:\Users\Florian_Landolt' 'C:\Users\Florian_Landolt' 'C:\boost\boost_1_68_0\tools/build/src' 'C:/boost/boost_1_68_0/tools/build/src/kernel' 'C:/boost/boost_1_68_0/tools/build/src/util' 'C:/boost/boost_1_68_0/tools/build/src/build' 'C:/boost/boost_1_68_0/tools/build/src/tools' 'C:/boost/boost_1_68_0/tools/build/src/contrib' 'C:/boost/boost_1_68_0/tools/build/src/.' for site-config configuration file 'site-config.jam'. notice: Configuration file 'site-config.jam' not found in 'C:\WINDOWS' 'C:\Users\Florian_Landolt' 'C:\Users\Florian_Landolt' 'C:\boost\boost_1_68_0\tools/build/src' 'C:/boost/boost_1_68_0/tools/build/src/kernel' 'C:/boost/boost_1_68_0/tools/build/src/util' 'C:/boost/boost_1_68_0/tools/build/src/build' 'C:/boost/boost_1_68_0/tools/build/src/tools' 'C:/boost/boost_1_68_0/tools/build/src/contrib' 'C:/boost/boost_1_68_0/tools/build/src/.'. notice: Searching 'C:\Users\Florian_Landolt' 'C:\Users\Florian_Landolt' 'C:\boost\boost_1_68_0\tools/build/src' 'C:/boost/boost_1_68_0/tools/build/src/kernel' 'C:/boost/boost_1_68_0/tools/build/src/util' 'C:/boost/boost_1_68_0/tools/build/src/build' 'C:/boost/boost_1_68_0/tools/build/src/tools' 'C:/boost/boost_1_68_0/tools/build/src/contrib' 'C:/boost/boost_1_68_0/tools/build/src/.' for user-config configuration file 'user-config.jam'. notice: Loading user-config configuration file 'user-config.jam' from 'C:/Users/Florian_Landolt'. notice: [python-cfg] Configuring python... notice: [python-cfg] user-specified version: "2.7" notice: [python-cfg] user-specified cmd-or-prefix: "C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1" notice: [python-cfg] Checking interpreter command "C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\PCBuild8\python"... notice: [python-cfg] running command 'C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\PCBuild8\python -c "from sys import *; print('version=%d.%d\nplatform=%s\nprefix=%s\nexec_prefix=%s\nexecutable=%s' % (version_info[0],version_info[1],platform,prefix,exec_prefix,executable))" 2>&1' notice: [python-cfg] ...does not invoke a working interpreter notice: [python-cfg] Checking interpreter command "C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\PCBuild\python"... notice: [python-cfg] running command 'C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\PCBuild\python -c "from sys import *; print('version=%d.%d\nplatform=%s\nprefix=%s\nexec_prefix=%s\nexecutable=%s' % (version_info[0],version_info[1],platform,prefix,exec_prefix,executable))" 2>&1' notice: [python-cfg] ...does not invoke a working interpreter notice: [python-cfg] Checking interpreter command "C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\python"... notice: [python-cfg] running command 'DIR /-C /A:S "C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\python.exe" 2>&1' notice: [python-cfg] running command 'C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\python -c "from sys import *; print('version=%d.%d\nplatform=%s\nprefix=%s\nexec_prefix=%s\nexecutable=%s' % (version_info[0],version_info[1],platform,prefix,exec_prefix,executable))" 2>&1' notice: [python-cfg] ...requested configuration matched! notice: [python-cfg] Details of this Python configuration: notice: [python-cfg] interpreter command: "C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\python" notice: [python-cfg] include path: "C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\Include" notice: [python-cfg] library path: "C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\libs" notice: [python-cfg] DLL search path: "C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1" notice: [python-cfg] Checking for NumPy... notice: [python-cfg] running command 'C:\Users\Florian_Landolt\Anaconda3\envs\python27_env_1\python -c "import sys; sys.stderr = sys.stdout; import numpy; print(numpy.get_include())"' notice: [python-cfg] NumPy enabled notice: Searching '../../../..' for project-config configuration file 'project-config.jam'. notice: Loading project-config configuration file 'project-config.jam' from '../../../..'. notice: [msvc-cfg] msvc-14.1 detected, command: 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.15.26726\bin\Hostx64\x64\cl.exe' notice: will use 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Tools\MSVC\14.15.26726\bin\Hostx64\x64\cl.exe' for msvc, condition <toolset>msvc-14.1 'notice: [generate-setup-cmd] 14.1 is 14.1' 'notice: [generate-setup-cmd] 14.1 is 14.1' 'notice: [generate-setup-cmd] 14.1 is 14.1' 'notice: [generate-setup-cmd] 14.1 is 14.1' notice: [msvc-cfg] condition: '<toolset>msvc-14.1/<architecture>/<address-model>', setup: 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars32.bat' notice: [msvc-cfg] condition: '<toolset>msvc-14.1/<architecture>/<address-model>32', setup: 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars32.bat' notice: [msvc-cfg] condition: '<toolset>msvc-14.1/<architecture>x86/<address-model>', setup: 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars32.bat' notice: [msvc-cfg] condition: '<toolset>msvc-14.1/<architecture>x86/<address-model>32', setup: 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars32.bat' notice: [msvc-cfg] condition: '<toolset>msvc-14.1/<architecture>/<address-model>64', setup: 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsx86_amd64.bat' notice: [msvc-cfg] condition: '<toolset>msvc-14.1/<architecture>x86/<address-model>64', setup: 'C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvarsx86_amd64.bat' notice: [msvc-cfg] condition: '<toolset>msvc-14.1/<architecture>ia64/<address-model>', setup: 'C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Auxiliary/Build/vcvarsall.bat' notice: [msvc-cfg] condition: '<toolset>msvc-14.1/<architecture>ia64/<address-model>64', setup: 'C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Auxiliary/Build/vcvarsall.bat' notice: [msvc-cfg] condition: '<toolset>msvc-14.1/<architecture>arm/<address-model>', setup: 'C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Auxiliary/Build/vcvarsall.bat' notice: [msvc-cfg] condition: '<toolset>msvc-14.1/<architecture>arm/<address-model>32', setup: 'C:/Program Files (x86)/Microsoft Visual Studio/2017/Community/VC/Auxiliary/Build/vcvarsall.bat' ...found 34 targets... ...updating 10 targets... compile-c-c++ extending.obj extending.cpp extending.cpp(5): fatal error C1083: Datei (Include) kann nicht geöffnet werden: "boost/python/class.hpp": No such file or directory call "..\bin\standalone\msvc\msvc-14.1\msvc-setup.bat" >nul cl /Zm800 -nologo @"extending.obj.rsp" ...failed compile-c-c++ extending.obj... ...skipped <p.>extending.pyd for lack of <p.>extending.obj... ...skipped <p.>test_ext for lack of <p.>extending.pyd... compile-c-c++ embedding.obj embedding.cpp embedding.cpp(6): fatal error C1083: Datei (Include) kann nicht geöffnet werden: "boost/python.hpp": No such file or directory call "..\bin\standalone\msvc\msvc-14.1\msvc-setup.bat" >nul cl /Zm800 -nologo @"embedding.obj.rsp" ...failed compile-c-c++ embedding.obj... ...skipped <p.>test_embed.exe for lack of <p.>embedding.obj... ...skipped <p.>test_embed.run for lack of <p.>test_embed.exe... ...failed updating 2 targets... ...skipped 6 targets...

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distributing libraries built using Boost.Python
by danielle amethyst brake Oct. 21, 2018

Oct. 21, 2018

Hi Boost.Python friends, I have a library, which consists foremostly of a set of bindings built using Boost.Python, and I am finding distribution to be a barrier. Requiring the user to build themselves prevents most of my users from, well, being users. Hence, I am writing today to query about best-practices and ideas on how to distribute my Python library, that consists of pure Python code installable via pip, a built .so library, and an underlying .so/.a/.dyld/whatever core library also built from C++. Thanks for your help, Danielle Brake Assistant Professor of Mathematics University of Wisconsin Eau Claire danielleamethyst.org she/her/hers

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boost pythong build issues
by Ibrahim Alkeilani Oct. 18, 2018

Oct. 18, 2018

Greetings, I have read and followed the boost.python build documentations thoroughly. Upon attempting to build the example project in boost_1_67_0\libs\python\example\tutorial, I'm facing these compile issues. Configuration: boost version: 1.67 and 1.68 build system: boost build and MS Visual Studio 12 python version: 3.6 64-bit wondering if someone can generously take a look and guide to as to what could be going wrong? C:/Users/ialkeilani/Desktop/Temp/boostWithBins/boost_1_67_0/libs/predef/check/../tools/check\predef.jam:46: Unescaped special character in argument $(language)::$(expression) Performing configuration checks - default address-model : 32-bit (cached) - default architecture : x86 (cached) ...patience... ...found 1043 targets... ...updating 2 targets... msvc.link.dll hello_ext.pyd Creating library hello_ext.lib and object hello_ext.exp hello.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) struct _object * __cdecl boost::python::detail::init_module(struct PyModuleDef &,void (__cdecl*)(void))" (__imp_?init_module@detail@python@boost@@YAPAU_object@ @AAUPyModuleDef@@P6AXXZ@Z) referenced in function _PyInit_hello_ext hello.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) struct boost::python::converter::registration const * __cdecl boost::python::converter::registry::query(struct boost::python::type_info)" (__imp_?query@registry@converter@python@boost@ @YAPBUregistration@234@Utype_info@34@@Z) referenced in function "public: static struct _typeobject const * __cdecl boost::python::converter::expected_pytype_for_arg<char const *>::get_pytype(void)" (?get_pytype@?$expected_pytype_for_arg@PBD @converter@python@boost@@SAPBU_typeobject@@XZ) hello.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: struct _typeobject const * __thiscall boost::python::converter::registration::expected_from_python_type(void)const " (__imp_?expected_from_python_type@registration@converter@python@boost@ @QBEPBU_typeobject@@XZ) referenced in function "public: static struct _typeobject const * __cdecl boost::python::converter::expected_pytype_for_arg<char const *>::get_pytype(void)" (?get_pytype@?$expected_pytype_for_arg@PBD @converter@python@boost@@SAPBU_typeobject@@XZ) hello.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) struct _object * __cdecl boost::python::converter::do_return_to_python(char const *)" (__imp_?do_return_to_python@converter@python@boost@@YAPAU_object@@PBD@Z) referenced in function "public: struct _object * __thiscall boost::python::to_python_value<char const * const &>::operator()(char const * const &)const " (??R?$to_python_value@ABQBD@python@boost@@QBEPAU_object@ @ABQBD@Z) hello.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: virtual __thiscall boost::python::objects::py_function_impl_base::~py_function_impl_base(void)" (__imp_??1py_function_impl_base@objects@python@boost@@UAE@XZ) referenced in function "public: virtual __thiscall boost::python::objects::caller_py_function_impl<struct boost::python::detail::caller<char const * (__cdecl*)(void),struct boost::python::default_call_policies,struct boost::mpl::vector1<char const *> > >::~caller_py_function_impl<struct boost::python::detail::caller<char const * (__cdecl*)(void),struct boost::python::default_call_policies,struct boost::mpl::vector1<char const *> > >(void)" (??1?$caller_py_function_impl@U ?$caller@P6APBDXZUdefault_call_policies@python@boost@@U?$vector1@PBD@mpl@3 @@detail@python@boost@@@objects@python@boost@@UAE@XZ) hello.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) public: __thiscall boost::python::objects::py_function_impl_base::py_function_impl_base(void)" (__imp_??0py_function_impl_base@objects@python@boost@@QAE@XZ) referenced in function "public: __thiscall boost::python::objects::caller_py_function_impl<struct boost::python::detail::caller<char const * (__cdecl*)(void),struct boost::python::default_call_policies,struct boost::mpl::vector1<char const *> > >::caller_py_function_impl<struct boost::python::detail::caller<char const * (__cdecl*)(void),struct boost::python::default_call_policies,struct boost::mpl::vector1<char const *> > >(struct boost::python::detail::caller<char const * (__cdecl*)(void),struct boost::python::default_call_policies,struct boost::mpl::vector1<char const *> > const &)" (??0?$caller_py_function_impl@U ?$caller@P6APBDXZUdefault_call_policies@python@boost@@U?$vector1@PBD@mpl@3 @@detail@python@boost@@@objects@python@boost@@QAE@ABU ?$caller@P6APBDXZUdefault_call_policies@python@boost@@U?$vector1@PBD@mpl@3 @@detail@23@@Z) hello.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) class boost::python::api::object __cdecl boost::python::objects::function_object(struct boost::python::objects::py_function const &)" (__imp_?function_object@objects@python@boost@@YA?AVobject@api @23@ABUpy_function@123@@Z) referenced in function "class boost::python::api::object __cdecl boost::python::detail::make_function_aux<char const * (__cdecl*)(void),struct boost::python::default_call_policies,struct boost::mpl::vector1<char const *> >(char const * (__cdecl*)(void),struct boost::python::default_call_policies const &,struct boost::mpl::vector1<char const *> const &)" (??$make_function_aux@P6APBDXZUdefault_call_policies@python@boost @@U?$vector1@PBD@mpl@3@@detail@python@boost@@YA?AVobject@api @12@P6APBDXZABUdefault_call_policies@12@ABU?$vector1@PBD@mpl@2@@Z) hello.obj : error LNK2019: unresolved external symbol "__declspec(dllimport) void __cdecl boost::python::detail::scope_setattr_doc(char const *,class boost::python::api::object const &,char const *)" (__imp_?scope_setattr_doc@detail@python@boost@@YAXPBDABVobject@api@23@0@Z) referenced in function "void __cdecl boost::python::def<char const * (__cdecl*)(void)>(char const *,char const * (__cdecl*)(void))" (??$def@P6APBDXZ@python@boost@@YAXPBDP6APBDXZ@Z) hello.obj : error LNK2001: unresolved external symbol "public: virtual unsigned int __thiscall boost::python::objects::py_function_impl_base::max_arity(void)const " (?max_arity@py_function_impl_base@objects@python@boost@@UBEIXZ) hello.obj : error LNK2001: unresolved external symbol __imp___Py_NoneStruct hello.obj : error LNK2001: unresolved external symbol __imp__PyUnicode_Type MSVCRTD.lib(atonexit.obj) : error LNK2019: unresolved external symbol __imp__EncodePointer@4 referenced in function ___atonexitinit MSVCRTD.lib(atonexit.obj) : error LNK2019: unresolved external symbol __imp__DecodePointer@4 referenced in function __onexit MSVCRTD.lib(gs_report.obj) : error LNK2019: unresolved external symbol __imp__IsDebuggerPresent@0 referenced in function ___raise_securityfailure MSVCRTD.lib(gs_report.obj) : error LNK2019: unresolved external symbol _IsProcessorFeaturePresent@4 referenced in function ___report_gsfailure hello_ext.pyd : fatal error LNK1120: 15 unresolved externals call "..\bin.v2\standalone\msvc\msvc-12.0\msvc-setup.bat" x86 >nul link /NOLOGO /INCREMENTAL:NO /DLL /NOENTRY /DEBUG /MACHINE:X86 /MANIFEST /subsystem:console /out:"hello_ext.pyd" /LIBPATH:"C:\Users\ialkeilani\AppData\Local\Continuum\anaconda3\libs" @"hello_ext.pyd.rsp" if %ERRORLEVEL% NEQ 0 EXIT %ERRORLEVEL% ...failed msvc.link.dll hello_ext.pyd hello_ext.pdb... ...removing hello_ext.pdb ...failed updating 2 targets... -- ~Ibrahim

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