Commit f2603c72 authored by Peter Waller's avatar Peter Waller
Browse files

hello-cpp: init 



Proposal: a trivial hello-cpp to complement gnu hello, testing C++ and
cmake infrastructure.

This is intended to assist with testing exotic stdenvs such as the one
used in pkgsLLVM, requiring no additional dependencies to get a quick
test that the compiler and cmake are working as intended as a basic
level.

There does already exist tests.cc-wrapper, but this does not produce any
outputs, and sometimes it is useful to have a quick test that something
builds. It's also useful to be able to inspect the outputs to look at
references and so forth.

Signed-off-by: default avatarPeter Waller <p@pwaller.net>
parent 628268f2

pkgs/by-name/he/hello-cpp/package.nix

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{

  cmake,

  lib,

  ninja,

  stdenv,

}:



stdenv.mkDerivation {

  name = "hello-cpp";

  src = ./src;

  nativeBuildInputs = [ cmake ninja ];

  meta = {

    description = "Basic sanity check that C++ and cmake infrastructure are working";

    platforms = lib.platforms.all;

    maintainers = stdenv.meta.maintainers or [];

    mainProgram = "hello-cpp";

  };

}

pkgs/by-name/he/hello-cpp/src/CMakeLists.txt

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cmake_minimum_required(VERSION 3.10)

project(hello-cpp)



add_executable(hello-cpp main.cpp)



install(TARGETS hello-cpp)

pkgs/by-name/he/hello-cpp/src/main.cpp

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#include <iostream>



int main(int argc, char *argv[]) {

    std::cout << "Hello, C++\n";

    return 0;

}