# Ziti sdk-c compilation issues **URL:** \ **Category:** sdk-c\ **Created:** [March 27, 2024, 8:30am UTC](https://openziti.discourse.group/t/ziti-sdk-c-compilation-issues/2352 "2024-03-27T08:30:50Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![Icristea](https://avatars.discourse-cdn.com/v4/letter/i/b9bd4f/32.png) [@Icristea](https://openziti.discourse.group/u/Icristea)\ **Post date:** [March 27, 2024, 8:30am UTC](https://openziti.discourse.group/t/ziti-sdk-c-compilation-issues/2352/1 "2024-03-27T08:30:50Z")
Hi all. I'm trying to import ziti-sdk-c into a flutter project for windows in the way described in BUILD.md , when I build project in debug mode the error below are thrown ```auto Build started at 9:19 AM... 1>------ Build started: Project: flutter_assemble, Configuration: Debug x64 ------ 1>Generating C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/flutter_windows.dll, C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/flutter_export.h, C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/flutter_windows.h, C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/flutter_messenger.h, C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/flutter_plugin_registrar.h, C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/flutter_texture_registrar.h, C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/cpp_client_wrapper/core_implementations.cc, C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/cpp_client_wrapper/standard_codec.cc, C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/cpp_client_wrapper/plugin_registrar.cc, C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/cpp_client_wrapper/flutter_engine.cc, C:/Users/icristea/AndroidStudioProjects/ziti_test_1/windows/flutter/ephemeral/cpp_client_wrapper/flutter_view_controller.cc, _phony_ 2>------ Build started: Project: ziti_test_1, Configuration: Debug x64 ------ 2> Creating library C:/Users/icristea/AndroidStudioProjects/ziti_test_1/build/windows/x64/runner/Debug/ziti_test_1.lib and object C:/Users/icristea/AndroidStudioProjects/ziti_test_1/build/windows/x64/runner/Debug/ziti_test_1.exp 2>LINK : warning LNK4217: symbol 'uv_link_init' defined in 'tlsuv.lib(uv_link_t.obj)' is imported by 'tlsuv.lib(http.obj)' in function 'make_links' 2>LINK : warning LNK4286: symbol 'uv_link_init' defined in 'tlsuv.lib(uv_link_t.obj)' is imported by 'tlsuv.lib(tls_link.obj)' 2>LINK : warning LNK4217: symbol 'uv_link_close' defined in 'tlsuv.lib(uv_link_t.obj)' is imported by 'tlsuv.lib(http.obj)' in function 'close_connection' 2>LINK : warning LNK4217: symbol 'uv_link_chain' defined in 'tlsuv.lib(uv_link_t.obj)' is imported by 'tlsuv.lib(http.obj)' in function 'make_links' 2>LINK : warning LNK4217: symbol 'uv_link_propagate_alloc_cb' defined in 'tlsuv.lib(uv_link_t.obj)' is imported by 'tlsuv.lib(defaults.obj)' in function 'uv_link_default_alloc_cb_override' 2>LINK : warning LNK4286: symbol 'uv_link_propagate_alloc_cb' defined in 'tlsuv.lib(uv_link_t.obj)' is imported by 'tlsuv.lib(tls_link.obj)' 2>LINK : warning LNK4217: symbol 'uv_link_propagate_read_cb' defined in 'tlsuv.lib(uv_link_t.obj)' is imported by 'tlsuv.lib(defaults.obj)' in function 'uv_link_default_read_cb_override' 2>LINK : warning LNK4286: symbol 'uv_link_propagate_read_cb' defined in 'tlsuv.lib(uv_link_t.obj)' is imported by 'tlsuv.lib(tls_link.obj)' 2>tlsuv.lib(tcp_src.obj) : error LNK2019: unresolved external symbol __imp_uv_link_source_init referenced in function tcp_connect_cb 2>C:\Users\icristea\AndroidStudioProjects\ziti_test_1\build\windows\x64\runner\Debug\ziti_test_1.exe : fatal error LNK1120: 1 unresolved externals 2>Done building project "ziti_test_1.vcxproj" -- FAILED. ========== Build: 1 succeeded, 1 failed, 5 up-to-date, 0 skipped ========== ========== Build completed at 9:19 AM and took 07.540 seconds ========== ``` ---
**Author:** ![ekoby](https://yyz2.discourse-cdn.com/free1/user_avatar/openziti.discourse.group/ekoby/32/14_2.png) [@ekoby](https://openziti.discourse.group/u/ekoby)\ **Post date:** [March 27, 2024, 5:34pm UTC](https://openziti.discourse.group/t/ziti-sdk-c-compilation-issues/2352/2 "2024-03-27T17:34:58Z")
@Icristea welcome to OpenZiti forums, and thanks for trying our C-sdk. It seems that you're building it as part of a flutter project. Do you get the same results if you build it standalone? ---
**Author:** ![Icristea](https://avatars.discourse-cdn.com/v4/letter/i/b9bd4f/32.png) [@Icristea](https://openziti.discourse.group/u/Icristea)\ **Post date:** [March 28, 2024, 9:31am UTC](https://openziti.discourse.group/t/ziti-sdk-c-compilation-issues/2352/3 "2024-03-28T09:31:29Z")
@ekoby No, I encounter this issue after I include ziti/zitilib.h and call Ziti\_lib\_init() in main.cpp. If you asking about build c sdk itself then I do this without problems on windows PC. ---
**Author:** ![ekoby](https://yyz2.discourse-cdn.com/free1/user_avatar/openziti.discourse.group/ekoby/32/14_2.png) [@ekoby](https://openziti.discourse.group/u/ekoby)\ **Post date:** [March 28, 2024, 2:01pm UTC](https://openziti.discourse.group/t/ziti-sdk-c-compilation-issues/2352/4 "2024-03-28T14:01:02Z")
is there any chance you can share your project so I can try it myself? ---
**Author:** ![Icristea](https://avatars.discourse-cdn.com/v4/letter/i/b9bd4f/32.png) [@Icristea](https://openziti.discourse.group/u/Icristea)\ **Post date:** [March 28, 2024, 3:02pm UTC](https://openziti.discourse.group/t/ziti-sdk-c-compilation-issues/2352/5 "2024-03-28T15:02:38Z")
[Repository](https://github.com/CristeaIon/ziti_test_1.git) with the code where issue can be reproduced.