On Tuesday, 22 October 2019 at 08:04:32 UTC, Arun Chandrasekaran wrote:
On Tuesday, 22 October 2019 at 07:51:16 UTC, Arun Chandrasekaran wrote:
On Tuesday, 22 October 2019 at 07:40:01 UTC, Prokop Hapala wrote:
[...]

If you are building individual files, use ldc2 with --link-defaultlib-shared flag:

arun@home-pc:/tmp$ cat a.d
void main() { import std; writeln("Hai"); }
arun@home-pc:/tmp$ ldc2 a.d
arun@home-pc:/tmp$ ldd a
        linux-vdso.so.1 (0x00007fff6395b000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f1ec91ea000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f1ec91c7000) libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f1ec9078000) libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f1ec905e000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f1ec8e6d000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f1ec92c4000)
arun@home-pc:/tmp$ ldc2 a.d --link-defaultlib-shared
arun@home-pc:/tmp$ ldd a
        linux-vdso.so.1 (0x00007ffcbda7f000)
libphobos2-ldc-shared.so.88 => /home/arun/.bin/ldc2-1.18.0-linux-x86_64/bin/../lib/libphobos2-ldc-shared.so.88 (0x00007f1b57be8000) libdruntime-ldc-shared.so.88 => /home/arun/.bin/ldc2-1.18.0-linux-x86_64/bin/../lib/libdruntime-ldc-shared.so.88 (0x00007f1b57abc000) libgcc_s.so.1 => /lib/x86_64-linux-gnu/libgcc_s.so.1 (0x00007f1b57a84000) libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f1b57893000) libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f1b57744000) libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f1b57721000) librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f1b57714000) libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f1b5770e000)
        /lib64/ld-linux-x86-64.so.2 (0x00007f1b58067000)
arun@home-pc:/tmp$

If you want similar behavior with dub, here is a sample dub.json

arun@home-pc:/tmp/test$ cat dub.json
{
    "authors": [
        "Arun"
    ],
    "copyright": "Copyright © 2019, Arun",
    "description": "A minimal D application.",
    "license": "proprietary",
    "dflags-ldc": ["-link-defaultlib-shared"],
    "name": "test"
}
arun@home-pc:/tmp/test$

Dub settings can be at times intimidating, but still give it a read https://dub.pm/package-format-json#build-settings

Thank you Arun, that is very helpful!

Do you have also some example which use some other than default library ?

I see there is quite comprehensive description how to use dmd with dynamic libraries
https://dlang.org/articles/dll-linux.html

But there is nothing how to integrate it with dub and deb.json (I really like DUB, it's one of the best improvements over C/C++ enviroment I noticed)

Also where is RDMD in the equation? I really like the idea run binary programs like:

#!/usr/bin/env rdmd
import std.stdio;
void main(){
    writeln("Hello, world!");
}

But I cannot find any documentation how to use rdmd with any libraries/dependencies and dub.json ? Not even statically linked, not to say dynamic.

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