From 5da56616cccf4e595ec6a556cf1aef40b37746e3 Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sat, 28 Aug 2021 18:59:29 +0200
Subject: Move sources to ... well, src ;)

---
 build.cc | 173 ---------------------------------------------------------------
 1 file changed, 173 deletions(-)
 delete mode 100644 build.cc

(limited to 'build.cc')

diff --git a/build.cc b/build.cc
deleted file mode 100644
index 445979e..0000000
--- a/build.cc
+++ /dev/null
@@ -1,173 +0,0 @@
-#include "build.h"
-
-#include <future>
-#include <vector>
-#include <iostream>
-#include <chrono>
-#include <set>
-#include <thread>
-
-#include "tasks.h"
-
-using namespace std::chrono_literals;
-
-int build(const Settings& settings,
-          const std::string& name,
-          const std::list<std::shared_ptr<Task>>& tasks,
-          const std::list<std::shared_ptr<Task>>& all_tasks)
-{
-	if(settings.verbose > 1)
-	{
-		std::cout << "Building '" << name << "'\n";
-	}
-
-	std::list<std::shared_ptr<Task>> dirtyTasks;
-	for(auto task : tasks)
-	{
-		if(task->dirty())
-		{
-			dirtyTasks.push_back(task);
-		}
-	}
-
-	if(dirtyTasks.empty())
-	{
-		std::cout << "Nothing to be done for '"<< name << "'\n";
-		return 0;
-	}
-
-	std::list<std::future<int>> processes;
-
-	// Start all tasks
-	bool done{false};
-	while(!done)
-	{
-		bool started_one{false};
-		while(processes.size() < settings.parallel_processes)
-		{
-			if(dirtyTasks.empty())
-			{
-				done = true;
-				break;
-			}
-
-			auto task = getNextTask(all_tasks, dirtyTasks);
-			if(task == nullptr)
-			{
-				if(processes.empty() && !dirtyTasks.empty())
-				{
-					// No running processes, yet no process to run. This is a dead-lock...
-					std::cout << "Dead-lock detected.\n";
-					return 1;
-				}
-				break;
-			}
-
-			processes.emplace_back(
-				std::async(std::launch::async,
-				           [task]()
-				           {
-					           return task->run();
-				           }));
-			started_one = true;
-			std::this_thread::sleep_for(2ms);
-		}
-
-		for(auto process = processes.begin();
-		    process != processes.end();
-		    ++process)
-		{
-			if(process->valid())
-			{
-				if(process->get() != 0)
-				{
-					// TODO: Wait for other processes to finish before returning
-					return 1;
-				}
-				processes.erase(process);
-				break;
-			}
-		}
-
-		if(started_one)
-		{
-			std::this_thread::sleep_for(2ms);
-		}
-		else
-		{
-			std::this_thread::sleep_for(200ms);
-		}
-	}
-
-	for(auto process = processes.begin();
-	    process != processes.end();
-	    ++process)
-	{
-		process->wait();
-		auto ret = process->get();
-		if(ret != 0)
-		{
-			return 1;
-		}
-	}
-
-	return 0;
-}
-
-namespace
-{
-std::set<std::shared_ptr<Task>> getDepTasks(std::shared_ptr<Task> task)
-{
-	std::set<std::shared_ptr<Task>> tasks;
-	tasks.insert(task);
-
-	auto deps = task->getDependsTasks();
-	for(const auto& dep : deps)
-	{
-		auto depSet = getDepTasks(dep);
-		for(const auto& dep : depSet)
-		{
-			tasks.insert(dep);
-		}
-	}
-
-	return tasks;
-}
-}
-
-int build(const Settings& settings,
-          const std::string& name,
-          const std::list<std::shared_ptr<Task>>& all_tasks)
-{
-	bool task_found{false};
-	for(auto task : all_tasks)
-	{
-		if(task->name() == name || task->target() == name)
-		{
-			std::cout << name << "\n";
-			task_found = true;
-
-			auto depSet = getDepTasks(task);
-			std::list<std::shared_ptr<Task>> ts;
-			for(const auto& task : depSet)
-			{
-				ts.push_back(task);
-			}
-			auto ret = build(settings, name, ts, all_tasks);
-			if(ret != 0)
-			{
-				return ret;
-			}
-
-			break;
-		}
-	}
-
-	if(!task_found)
-	{
-		std::cerr << "*** No rule to make target '" << name << "'.  Stop.\n";
-		return 1;
-	}
-
-	return 0;
-}
-- 
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