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// -*- c++ -*-
// Distributed under the BSD 2-Clause License.
// See accompanying file LICENSE for details.
#include "task_so.h"
#include <iostream>
#include <fstream>
#include "libctor.h"
#include "settings.h"
#include "execute.h"
#include "util.h"
TaskSO::TaskSO(const BuildConfiguration& config,
const Settings& settings,
const std::string& target,
const std::vector<std::string>& objects,
const std::string& sourceDir)
: Task(config, settings, sourceDir)
, config(config)
, settings(settings)
, sourceDir(sourceDir)
{
std::filesystem::path base = sourceDir;
std::filesystem::create_directories(std::filesystem::path(settings.builddir) / base);
_targetFile = base / target;
for(const auto& object : objects)
{
std::filesystem::path objectFile = object;
objectFiles.push_back(objectFile);
dependsStr.push_back(objectFile.string());
}
for(const auto& dep : config.depends)
{
std::filesystem::path depFile = settings.builddir;
depFile /= dep;
depFiles.push_back(depFile);
}
flagsFile = std::filesystem::path(settings.builddir) / cleanUp(sourceDir) / targetFile().stem();
flagsFile += ".flags";
target_type = TargetType::DynamicLibrary;
source_language = Language::C;
for(const auto& source : config.sources)
{
std::filesystem::path sourceFile(source.file);
// TODO: Use task languages instead
if(sourceFile.extension().string() != ".c")
{
source_language = Language::Cpp;
}
}
}
bool TaskSO::dirtyInner()
{
if(!std::filesystem::exists(targetFile()))
{
return true;
}
if(!std::filesystem::exists(flagsFile))
{
return true;
}
{
auto lastFlags = readFile(flagsFile.string());
if(flagsString() != lastFlags)
{
//std::cout << "The compiler flags changed\n";
return true;
}
}
return false;
}
int TaskSO::runInner()
{
std::vector<std::string> args;
args.push_back("-fPIC");
args.push_back("-shared");
args.push_back("-o");
args.push_back(targetFile().string());
for(const auto& task : getDependsTasks())
{
args.push_back(task->target());
}
for(const auto& depFile : depFiles)
{
args.push_back(depFile.string());
}
for(const auto& flag : config.flags.ldflags)
{
args.push_back(flag);
}
{ // Write flags to file.
std::ofstream flagsStream(flagsFile);
flagsStream << flagsString();
}
if(settings.verbose == 0)
{
std::cout << "LD => " << targetFile().string() << "\n";
}
auto tool = compiler();
return execute(tool, args, settings.verbose > 0);
}
int TaskSO::clean()
{
if(std::filesystem::exists(targetFile()))
{
std::cout << "Removing " << targetFile().string() << "\n";
std::filesystem::remove(targetFile());
}
if(std::filesystem::exists(flagsFile))
{
std::cout << "Removing " << flagsFile.string() << "\n";
std::filesystem::remove(flagsFile);
}
return 0;
}
std::vector<std::string> TaskSO::depends() const
{
std::vector<std::string> deps;
for(const auto& objectFile : objectFiles)
{
deps.push_back(objectFile.string());
}
for(const auto& depFile : depFiles)
{
deps.push_back(depFile.string());
}
return deps;
}
std::string TaskSO::target() const
{
return _targetFile.string();
}
std::filesystem::path TaskSO::targetFile() const
{
return std::filesystem::path(settings.builddir) / sourceDir / _targetFile;
}
bool TaskSO::derived() const
{
return false;
}
std::string TaskSO::flagsString() const
{
std::string flagsStr = compiler();
for(const auto& flag : config.flags.ldflags)
{
flagsStr += " " + flag;
}
flagsStr += "\n";
for(const auto& dep : config.depends)
{
if(dep != config.depends[0])
{
flagsStr += " ";
}
flagsStr += dep;
}
auto deps = depends();
for(const auto& dep : deps)
{
flagsStr += " ";
flagsStr += dep;
}
return flagsStr;
}
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