Merge pull request #324905 from pwaller/hello-cpp

hello-cpp: init

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

@@ -0,0 +1,18 @@
+{
+  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

@@ -0,0 +1,6 @@
+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

@@ -0,0 +1,6 @@
+#include <iostream>
+
+int main(int argc, char *argv[]) {
+    std::cout << "Hello, C++\n";
+    return 0;
+}