Oh, right, that was the missing bit. Problem solved.

Thank you very much for your help

Lucas

Le 15/05/2017 à 18:40, Joel DePooter a écrit :
> Is nghttp2.lib is listed in the to the linker input settings
> (Properties->Configuration Properties->Linker->Input->Additional
> Dependencies)?
>
> The "additional library directories" only tells visual studio where to
> find the input libs, you also have to tell it which libraries actually
> need to be linked in.
>
> -Joel
>
> On Mon, May 15, 2017 at 8:25 AM, Lucas Le Gouic <lucas_at_wolcengame.com
> <mailto:lucas_at_wolcengame.com>> wrote:
>
> Hello everyone,
>
> I am currently trying to build Libcurl 7.54.0 with OpenSSL and
> HTTP2 on windows 10 using Visual Studio 2015 and I am getting
> these errors in the build log at the end of generation:
>
> ----------------------------------------------------------------------------------------
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_callbacks_new referenced in function
> _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_callbacks_del referenced in function
> _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_callbacks_set_send_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_callbacks_set_on_frame_recv_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol
> __imp__nghttp2_session_callbacks_set_on_invalid_frame_recv_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol
> __imp__nghttp2_session_callbacks_set_on_data_chunk_recv_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol
> __imp__nghttp2_session_callbacks_set_before_frame_send_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_callbacks_set_on_frame_send_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol
> __imp__nghttp2_session_callbacks_set_on_frame_not_send_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol
> __imp__nghttp2_session_callbacks_set_on_stream_close_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol
> __imp__nghttp2_session_callbacks_set_on_begin_headers_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_callbacks_set_on_header_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_callbacks_set_error_callback
> referenced in function _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_client_new referenced in function
> _Curl_http2_init
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_del referenced in function
> _http2_disconnect
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_send referenced in function
> _h2_session_send
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_mem_recv referenced in function
> _Curl_http2_switched
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_resume_data referenced in function
> _Curl_http2_done_sending
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_want_read referenced in function
> _should_close_session
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_want_write referenced in function
> _http2_perform_getsock
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_get_stream_user_data referenced in
> function _before_frame_send
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_set_stream_user_data referenced in
> function _Curl_http2_done
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_get_remote_settings referenced in
> function _on_frame_recv
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_upgrade referenced in function
> _Curl_http2_switched
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_pack_settings_payload referenced in function
> _Curl_http2_request_upgrade
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_strerror referenced in function
> _Curl_http2_switched
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_http2_strerror referenced in function
> _Curl_http2_strerror
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_priority_spec_init referenced in function
> _h2_pri_spec
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_submit_request referenced in function
> _http2_send
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_submit_priority referenced in function
> _h2_session_send
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_submit_rst_stream referenced in function
> _Curl_http2_done
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_submit_settings referenced in function
> _Curl_http2_switched
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_session_set_local_window_size referenced in
> function _Curl_http2_switched
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_version referenced in function _Curl_http2_ver
> 1>libcurl.lib(http2.obj) : error LNK2019: unresolved external
> symbol __imp__nghttp2_is_fatal referenced in function
> _Curl_http2_switched
> 1>..\..\..\..\build\Win32\VC14\LIB Release - DLL OpenSSL\curl.exe
> : fatal error LNK1120: 35 unresolved externals
> ----------------------------------------------------------------------------------------
>
> According to OpenSSL & nghttp2 path on my computer, I have added
> the following to curl & libcurl project:
> I have added the following folders to my additionnal library
> directories (curl project->properties->configuration
> properties->linker->general->additionnal library directories) :
> C:\OpenSSL-Win32\lib
> C:\nghttp2-1.22.0\lib
>
> And added for both curl and libcurl project additionnal include
> directories (both projects->properties->configuration
> properties->c/c++->general->additionnal include directories) :
> C:\OpenSSL-Win32\include
> C:\nghttp2-1.22.0\lib\includes
>
> I also added the definition of USE_NGHTTP2 to both project
> preprocessor definitions (both projects->properties->configuration
> properties->C/C++->Preprocessor->Preprocessor Definitions) in
> order to compile with nghttp2.
>
> Finally, I am building using configuration "LIB Release - DLL
> OpenSSL" with target platform Win32.
>
> I am surely missing something but I can't see what at the moment.
>
> Thank you for your assistance
>
> Lucas
>
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Received on 2017-05-15