How do you properly install libcurl for use in visual studio 2017?

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Here’s how I’ve got curl to work with Visual Studio 2017 15.9.14:

  1. Download curl zip package from https://curl.haxx.se/download.html (latest verified is: https://curl.haxx.se/download/curl-7.70.0.zip)
  2. Extract downloaded package to a folder of your choice (e.g. C:\curl\)
  3. Open Developer Command Prompt for VS 2017 (see Windows Start menu or %PROGRAMDATA%\Microsoft\Windows\Start Menu\Programs\Visual Studio 2017\Visual Studio Tools\) and cd to C:\curl\winbuild\
  4. Run nmake /f Makefile.vc mode=static. This will build curl as a static library into C:\curl\builds\libcurl-vc-x86-release-static-ipv6-sspi-winssl\
  5. Create a new project in Visual Studio (e.g. a Windows Console Application)
  6. In Project Properties -> VC++ Directories -> Include Directories add C:\curl\builds\libcurl-vc-x86-release-static-ipv6-sspi-winssl\include\
  7. In Project Properties -> VC++ Directories -> Library Directories add C:\curl\builds\libcurl-vc-x86-release-static-ipv6-sspi-winssl\lib\ there
  8. In Project Properties -> Linker -> Input -> Additional Dependencies add libcurl_a.lib, Ws2_32.lib, Crypt32.lib, Wldap32.lib and Normaliz.lib
  9. Try to build a sample program:
#define CURL_STATICLIB
#include <curl\curl.h>

int main()
{
    CURL *curl;

    curl = curl_easy_init();
    curl_easy_cleanup(curl);

    return 0;
}

Alternatively you can use vcpkg to install curl:

  1. Get latest vcpkg zip file from https://github.com/microsoft/vcpkg/releases (e.g. https://github.com/microsoft/vcpkg/archive/2019.09.zip) and extract it to a folder of your choice (e.g. C:\vcpkg\)
  2. Open Developer Command Prompt for VS 2017 (see Windows Start menu or %PROGRAMDATA%\Microsoft\Windows\Start Menu\Programs\Visual Studio 2017\Visual Studio Tools\) and cd to C:\vcpkg\
  3. Run bootstrap-vcpkg.bat
  4. Run vcpkg.exe integrate install
  5. Run vcpkg.exe install curl
  6. Create a new C++ project in Visual Studio and you’re ready to go – try it with the example above. There’s no need to modify project settings.

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