On Sunday, 28 November 2021 at 22:45:29 UTC, Willem wrote:

// load sdl
string uuid = randomUUID().toString();
string filename = format("SDL2-%s.dll", uuid);
string depacked = buildPath(tempDir(), filename);
std.file.write(depacked, sdlBytes);
DerelictSDL2.load(depacked);

// load curl
string uuid2 = randomUUID().toString();
string filename2 = format("libcurl-%s.dll", uuid2);
string depacked2 = buildPath(tempDir(), filename2);
std.file.write(depacked2, curlBytes);
DerelictSDL2.load(depacked2);

DerelictSDL2.load() cannot load curl. It is not a generic dll loader. It only loads SDL and doesn't know anything about curl or any other library.

In order to dynamically load curl like this, you need a binding that supports it, i.e., a binding that declares the curl API as function pointers and knows how to load them from the DLL.

Also, DerelictSDL2 is no longer maintained. Please use bindbc-sdl for new projects:

http://bindbc-sdl.dub.pm/

On Monday, 29 November 2021 at 07:29:35 UTC, Mike Parker wrote:

Thanks again for all the responses. For now -- I am simply adding the DLL to the EXE and writing it out to the working directory. Not elegant - but it does work.

import std.stdio;
import std.file;

ubyte[] curlBytes = cast(ubyte[]) import("libcurl.dll");

void main(string[] args)
{
    std.file.write("libcurl.dll", curlBytes);

    // test curl
    import std.net.curl;
    auto content = get("https://httpbin.org/get");
	writeln(content);
	writeln("..DONE");
}

On Monday, 29 November 2021 at 14:58:07 UTC, Willem wrote:

"Programmers are not to be measured by their ingenuity and their logic but by the completeness of their case analysis." - Alan Perlis.

On Monday, 29 November 2021 at 14:58:07 UTC, Willem wrote:

If you intend to distribute it then becareful with this as it might trigger some (if not all) antiviruses under most configurations.

On Wednesday, 1 December 2021 at 07:45:21 UTC, bauss wrote:

Huh, I never intended for someone to actually use this :|
Such a thing will never work on macOS for example.

On Wednesday, 1 December 2021 at 09:49:56 UTC, Guillaume Piolat wrote:

You can create an installer rather easily with InnoSetup instead.