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themachho avatar themachho commented on June 2, 2024

Managed to compile and link an example for x64 (sill cant compile curlcpp.lib for x86) and it works. The only issue now is the LNK4217 warning

PS C:\Users\user\Documents\curlcpp_test> vcvarsall.bat x64 '&' cl /EHsc /DCURL_STATICLIB .\easy_info.cpp -I.\libs\curlcpp\ /link .\libs\curlcpp\64\libcurl_a.lib advapi32.lib crypt32.lib normaliz.lib wldap32.lib ws2_32.lib /nodefaultlib:libcmt.lib .\libs\curlcpp\64\curlcpp.lib
** Copyright (c) 2021 Microsoft Corporation
**********************************************************************
[vcvarsall.bat] Environment initialized for: 'x64'
Compilador de optimización de C/C++ de Microsoft (R) versión 19.29.30133 para x64
(C) Microsoft Corporation. Todos los derechos reservados.

easy_info.cpp
Microsoft (R) Incremental Linker Version 14.29.30133.0
Copyright (C) Microsoft Corporation.  All rights reserved.

/out:easy_info.exe
.\libs\curlcpp\64\libcurl_a.lib
advapi32.lib
crypt32.lib
normaliz.lib
wldap32.lib
ws2_32.lib
/nodefaultlib:libcmt.lib
.\libs\curlcpp\64\curlcpp.lib
easy_info.obj
LINK : warning LNK4217: "curl_easy_escape" importa el símbolo "libcurl_a.lib(escape.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: void __cdecl curl::curl_easy::escape(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?escape@curl_easy@curl@@QEAAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z)"
LINK : warning LNK4217: "curl_easy_unescape" importa el símbolo "libcurl_a.lib(escape.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: void __cdecl curl::curl_easy::unescape(class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)" (?unescape@curl_easy@curl@@QEAAXAEAV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z)"
LINK : warning LNK4217: "curl_free" importa el símbolo "libcurl_a.lib(escape.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""private: static __cdecl <lambda_a5490d485619adb319274a36824fe087>::<lambda_invoker_cdecl>(char *)" (?<lambda_invoker_cdecl>@<lambda_a5490d485619adb319274a36824fe087>@@CA@PEAD@Z)"
LINK : warning LNK4217: "curl_global_init" importa el símbolo "libcurl_a.lib(easy.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: __cdecl curl::curl_interface<enum CURLcode>::global_initializer::global_initializer(long)" (??0global_initializer@?$curl_interface@W4CURLcode@@@curl@@QEAA@J@Z)"
LINK : warning LNK4217: "curl_global_cleanup" importa el símbolo "libcurl_a.lib(easy.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: __cdecl curl::curl_interface<enum CURLcode>::global_initializer::~global_initializer(void)" (??1global_initializer@?$curl_interface@W4CURLcode@@@curl@@QEAA@XZ)"
LINK : warning LNK4217: "curl_easy_strerror" importa el símbolo "libcurl_a.lib(strerror.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: __cdecl curl::curl_easy_exception::curl_easy_exception(enum CURLcode const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (??0curl_easy_exception@curl@@QEAA@AEBW4CURLcode@@AEBV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z)"
LINK : warning LNK4217: "curl_easy_pause" importa el símbolo "libcurl_a.lib(easy.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: void __cdecl curl::curl_easy::pause(int)" (?pause@curl_easy@curl@@QEAAXH@Z)"
LINK : warning LNK4217: "curl_easy_init" importa el símbolo "libcurl_a.lib(easy.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: __cdecl curl::curl_easy::curl_easy(long)" (??0curl_easy@curl@@QEAA@J@Z)"
LINK : warning LNK4217: "curl_easy_setopt" importa el símbolo "libcurl_a.lib(setopt.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: void __cdecl curl::curl_easy::add<10001>(void *)" (??$add@$0CHBB@@curl_easy@curl@@QEAAXPEAX@Z)"
LINK : warning LNK4217: "curl_easy_perform" importa el símbolo "libcurl_a.lib(easy.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: void __cdecl curl::curl_easy::perform(void)" (?perform@curl_easy@curl@@QEAAXXZ)"
LINK : warning LNK4217: "curl_easy_cleanup" importa el símbolo "libcurl_a.lib(easy.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: __cdecl curl::curl_easy::curl_easy(class curl::curl_easy const &)" (??0curl_easy@curl@@QEAA@AEBV01@@Z)"
LINK : warning LNK4217: "curl_easy_duphandle" importa el símbolo "libcurl_a.lib(easy.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: __cdecl curl::curl_easy::curl_easy(class curl::curl_easy const &)" (??0curl_easy@curl@@QEAA@AEBV01@@Z)"
LINK : warning LNK4217: "curl_easy_reset" importa el símbolo "libcurl_a.lib(easy.obj)" definido en "curlcpp.lib(curl_easy.obj)" en la función ""public: void __cdecl curl::curl_easy::reset(void)" (?reset@curl_easy@curl@@QEAAXXZ)"

PS C:\Users\user\Documents\curlcpp_test> .\easy_info.exe
text/html; charset=ISO-8859-1

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themachho avatar themachho commented on June 2, 2024

Update:
I added CURL_STATICLIB on visual studio Preprocessor before compile curlcpp.lib to solve the issues later since the example worked but no when i tryied to use in another program.
x64 works great with no errors (except the linker warning) but x86 have this issue:

client.o : error LNK2019: símbolo externo __imp__curl_global_init@4 sin resolver al que se hace referencia en la función "public: __thiscall curl::curl_interface<enum CURLcode>::global_initializer::global_initializer(long)" (??0global_initializer@?$curl_interface@W4CURLcode@@@curl@@QAE@J@Z)
client.o : error LNK2019: símbolo externo __imp__curl_global_cleanup@0 sin resolver al que se hace referencia en la función "public: __thiscall curl::curl_interface<enum CURLcode>::global_initializer::~global_initializer(void)" (??1global_initializer@?$curl_interface@W4CURLcode@@@curl@@QAE@XZ)
client.o : error LNK2019: símbolo externo __imp__curl_easy_strerror@4 sin resolver al que se hace referencia en la función "public: __thiscall curl::curl_easy_exception::curl_easy_exception(enum CURLcode const &,class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > const &)" (??0curl_easy_exception@curl@@QAE@ABW4CURLcode@@ABV?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@Z)
client.o : error LNK2019: símbolo externo __imp__curl_easy_init@0 sin resolver al que se hace referencia en la función "public: __thiscall curl::curl_easy::curl_easy<class std::basic_ostringstream<char,struct std::char_traits<char>,class std::allocator<char> > >(class curl::curl_ios<class std::basic_ostringstream<char,struct std::char_traits<char>,class std::allocator<char> > > &)" (??$?0V?$basic_ostringstream@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@curl_easy@curl@@QAE@AAV?$curl_ios@V?$basic_ostringstream@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@@1@@Z)
..\output\mydll.dll : fatal error LNK1120: 4 externos sin resolver
make: *** [../output/mydll.dll] Error 1120

Both following the same compile process. Im trying to find if its not a libcurl related issue but is strange that i have no errors on x64.

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JosephP91 avatar JosephP91 commented on June 2, 2024

This seems to be a problem related to a missing curl library on your system. I've added the build for dynamic library, try again.

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