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Re: [DKIM] Fwd: building simple program using libcurl on Win64

From: Zakrzewski, Jakub via curl-library <curl-library_at_cool.haxx.se>
Date: Thu, 6 Jun 2019 06:16:41 +0000

________________________________
> From: curl-library <curl-library-bounces_at_cool.haxx.se> on behalf of Salda via curl-library <curl-library_at_cool.haxx.se>
> Sent: 06 June 2019 00:55
> To: curl-library_at_cool.haxx.se
> Cc: Salda
> Subject: [DKIM] Fwd: building simple program using libcurl on Win64

> Some help see below? Btw I don't want to install MinGW64 for their libraries and that's why I wanted to try Clang instead of GCC.

> Predmet: building simple program using libcurl on Win64
Hello,

see https://stackoverflow.com/questions/56378660/how-to-correctly-statically-link-libcurl-on-windows-using-clang-64bit

so.. How do I build simple program using libcurl on 64-bit Windows?
I have LLVM in path and have clang++ -static -DCURL_STATICLIB curl-7.64.1-win64-mingw/lib/libcurl.a http-post.cpp -std=c++17 -g -Xclang -flto-visibility-public-std -o trading.exe, but it misses some libraries and function definitions. I guess I would fix it on my own somehow, but I am looking for the most correct and preferred way...

Thanks,
Lukas Salich

??You're using static curl library. Static libraries do not carry dependency linking information, which means you have to provide all the dependencies on the command line. From the quick scan of the SO question, you have to link with at least winsock, nghttp2, and OpenSSL. Maybe something more. Moreover, the order in which you're linking may be important. Generally unless you really need static linking, it's better (and definitely easier) to use shared objects. 

--
Jakub

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Received on 2019-06-06