using namespace std;
using namespace Msp;
-GnuLinker::GnuLinker(Builder &b, const Architecture &a, const FS::Path &sysroot):
+GnuLinker::GnuLinker(Builder &b, const Architecture &a):
Tool(b, a, "LINK")
{
input_suffixes.push_back(".o");
input_suffixes.push_back(".a");
- if(!sysroot.empty())
- {
- build_info.sysroot = sysroot;
- system_path.push_back(sysroot/"usr"/"lib");
- }
- else if(architecture->is_native())
- {
- system_path.push_back("/lib");
- system_path.push_back("/usr/lib");
- if(architecture->match_name("pc-32-linux"))
- system_path.push_back("/usr/lib/i386-linux-gnu");
- else if(architecture->match_name("pc-64-linux"))
- system_path.push_back("/usr/lib/x86_64-linux-gnu");
- }
- else
- system_path.push_back("/usr/"+architecture->get_cross_prefix()+"/lib");
-
- default_linker = new Linker(*this, "CC");
- cxx_linker = new Linker(*this, "CXX");
-}
+ processing_unit = COMPONENT;
-GnuLinker::~GnuLinker()
-{
- delete default_linker;
- delete cxx_linker;
+ set_command("gcc");
+ set_run(_run);
}
-Target *GnuLinker::create_target(const list<Target *> &sources, const string &arg)
+Target *GnuLinker::create_target(const vector<Target *> &sources, const string &arg)
{
if(sources.empty())
throw invalid_argument("GnuLinker::create_target");
- list<ObjectFile *> objs;
- Linker *linker = default_linker;
- for(list<Target *>::const_iterator i=sources.begin(); i!=sources.end(); ++i)
- {
- if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
- {
- objs.push_back(obj);
- if(obj->get_tool()->get_tag()=="CXX")
- linker = cxx_linker;
- }
- else
- throw invalid_argument("GnuLinker::create_target");
- }
+ vector<ObjectFile *> objs;
+ objs.reserve(sources.size());
+ for(Target *s: sources)
+ objs.push_back(&dynamic_cast<ObjectFile &>(*s));
const Component &comp = *objs.front()->get_component();
Binary *bin = 0;
}
else
bin = new Executable(builder, comp, objs);
- bin->set_tool(*linker);
+ bin->set_tool(*this);
return bin;
}
builder.get_build_graph().add_installed_target(*shlib->get_import_library());
else
{
- const Pattern &pattern = architecture->get_shared_library_patterns().front();
- string link_name = pattern.apply(shlib->get_libname());
+ string link_name = architecture->create_filename<SharedLibrary>(shlib->get_libname());
if(link_name!=FS::basename(inst_tgt->get_path()))
inst_tgt->set_symlink(link_name);
}
return 0;
}
-Task *GnuLinker::run(const Target &) const
+string GnuLinker::create_build_signature(const BuildInfo &binfo) const
{
- throw logic_error("GnuLinker should not be run directly");
-}
-
-
-GnuLinker::Linker::Linker(GnuLinker &p, const string &ct):
- SubTool(p),
- compiler_tag(ct)
-{
- if(compiler_tag=="CC")
- set_command("gcc", true);
- else if(compiler_tag=="CXX")
- set_command("g++", true);
- else
- throw invalid_argument("GnuLinker::Linker::Linker");
-}
-
-Target *GnuLinker::Linker::create_target(const list<Target *> &sources, const string &arg)
-{
- return parent.create_target(sources, arg);
-}
-
-Target *GnuLinker::Linker::create_install(Target &target) const
-{
- return parent.create_install(target);
-}
-
-string GnuLinker::Linker::create_build_signature(const BuildInfo &binfo) const
-{
- string result = FS::basename(executable->get_path());
+ string result = Tool::create_build_signature(binfo);
result += ',';
if(binfo.libmode<=BuildInfo::STATIC)
result += 't';
return result;
}
-void GnuLinker::Linker::do_prepare()
+void GnuLinker::do_prepare()
{
- Tool &compiler = builder.get_toolchain().get_tool(compiler_tag);
- if(dynamic_cast<GnuCompiler *>(&compiler))
+ bool path_found = false;
+ const FS::Path &sysroot = build_info.sysroot;
+
+ if(executable)
+ {
+ ExternalTask::Arguments argv;
+ argv.push_back(executable->get_path().str());
+ argv.push_back("-Wl,--verbose");
+ argv.push_back("-nostdlib");
+ if(!sysroot.empty())
+ argv.push_back("--sysroot="+sysroot.str());
+
+ builder.get_logger().log("auxcommands", "Running %s", join(argv.begin(), argv.end()));
+ try
+ {
+ string output = ExternalTask::run_and_capture_output(argv, FS::Path(), true);
+ string::size_type start = 0;
+ while(start<output.size())
+ {
+ string::size_type search_dir = output.find("SEARCH_DIR(\"", start);
+ if(search_dir==string::npos)
+ break;
+
+ search_dir += 12;
+ string::size_type end = output.find("\");", search_dir);
+ if(end==string::npos)
+ break;
+
+ FS::Path path;
+ if(!output.compare(search_dir, 2, "=/"))
+ {
+ search_dir += 2;
+ if(sysroot.empty())
+ path = "/";
+ else
+ path = sysroot;
+ }
+
+ path /= output.substr(search_dir, end-search_dir);
+ builder.get_logger().log("tools", "Got %s system path: %s", tag, path);
+ system_path.push_back(path);
+ path_found = true;
+
+ start = end+3;
+ }
+ }
+ catch(...)
+ { }
+ }
+
+ if(!path_found)
{
- compiler.prepare();
- executable = compiler.get_executable();
+ builder.get_logger().log("tools", "No %s system path found, using defaults", tag);
+ if(!sysroot.empty())
+ system_path.push_back(sysroot/"usr/lib");
+ else if(architecture->is_native())
+ {
+ system_path.push_back("/lib");
+ system_path.push_back("/usr/lib");
+ if(architecture->match_name("pc-32-linux"))
+ {
+ system_path.push_back("/lib/i386-linux-gnu");
+ system_path.push_back("/usr/lib/i386-linux-gnu");
+ }
+ else if(architecture->match_name("pc-64-linux"))
+ {
+ system_path.push_back("/lib/x86_64-linux-gnu");
+ system_path.push_back("/usr/lib/x86_64-linux-gnu");
+ }
+ }
+ else
+ system_path.push_back(format("/usr/%s/lib", architecture->get_cross_prefix()));
}
}
-Task *GnuLinker::Linker::run(const Target &target) const
+Task *GnuLinker::_run(const Binary &bin)
{
- const Binary &bin = dynamic_cast<const Binary &>(target);
+ const Tool &tool = *bin.get_tool();
+ const Builder &builder = tool.get_builder();
+ const Architecture &arch = *tool.get_architecture();
- vector<string> argv;
- argv.push_back(executable->get_path().str());
+ ExternalTask::Arguments argv;
+ argv.push_back(tool.get_executable()->get_path().str());
FS::Path work_dir = bin.get_component()->get_package().get_source_directory();
{
argv.push_back("-shared");
argv.push_back("-fPIC");
- if(architecture->get_system()!="windows" && !shlib->get_soname().empty())
+ if(arch.get_system()!="windows" && !shlib->get_soname().empty())
{
- if(architecture->get_system()=="darwin")
+ if(arch.get_system()=="darwin")
{
argv.push_back("-install_name");
argv.push_back(shlib->get_soname());
}
BuildInfo binfo;
- target.collect_build_info(binfo);
+ bin.collect_build_info(binfo);
const FS::Path &sysroot = binfo.sysroot;
if(!sysroot.empty())
argv.push_back("--sysroot="+sysroot.str());
- for(BuildInfo::PathList::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
- argv.push_back("-L"+i->str());
+ FS::Path lib_dir = builder.get_prefix()/"lib";
+ if(binfo.rpath_mode==BuildInfo::ABSOLUTE)
+ argv.push_back("-Wl,-rpath,"+lib_dir.str());
+ else
+ {
+ if(binfo.rpath_mode==BuildInfo::RELATIVE)
+ argv.push_back("-Wl,-rpath,$ORIGIN/../lib");
+ argv.push_back("-Wl,-rpath-link,"+lib_dir.str());
+ }
+
+ for(const FS::Path &p: binfo.libpath)
+ argv.push_back("-L"+p.str());
if(binfo.strip)
argv.push_back("-s");
- if(binfo.threads && architecture->get_system()!="windows" && architecture->get_system()!="darwin")
+ if(binfo.threads && arch.get_system()!="windows" && arch.get_system()!="darwin")
argv.push_back("-pthread");
const Architecture &native_arch = builder.get_native_arch();
- if(architecture->is_native() && architecture->get_bits()!=native_arch.get_bits())
- argv.push_back(format("-m%d", architecture->get_bits()));
+ if(arch.is_native() && arch.get_bits()!=native_arch.get_bits())
+ argv.push_back(format("-m%d", arch.get_bits()));
argv.push_back("-o");
argv.push_back(relative(bin.get_path(), work_dir).str());
+ for(const string &s: binfo.keep_symbols)
+ argv.push_back("-u"+s);
+
bool static_link_ok = (binfo.libmode<=BuildInfo::STATIC);
- const Target::Dependencies &depends = target.get_dependencies();
- for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
+ bool has_cplusplus = false;
+ for(Target *d: bin.get_dependencies())
{
- FileTarget *file = dynamic_cast<FileTarget *>(*i);
- Target *tgt = (*i)->get_real_target();
+ FileTarget *file = dynamic_cast<FileTarget *>(d);
+ Target *tgt = d->get_real_target();
if(ObjectFile *obj = dynamic_cast<ObjectFile *>(tgt))
+ {
argv.push_back(relative(obj->get_path(), work_dir).str());
+ if(obj->get_tool()->get_tag()=="CXX")
+ has_cplusplus = true;
+ }
else if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(tgt))
argv.push_back((file?file:stlib)->get_path().str());
else if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(tgt))
}
}
- for(BuildInfo::WordList::const_iterator i=binfo.libs.begin(); i!=binfo.libs.end(); ++i)
- if(i->size()>10 && !i->compare(i->size()-10, 10, ".framework"))
+ for(const string &l: binfo.libs)
+ if(l.size()>10 && !l.compare(l.size()-10, 10, ".framework"))
{
argv.push_back("-framework");
- argv.push_back(i->substr(0, i->size()-10));
+ argv.push_back(l.substr(0, l.size()-10));
}
+ if(has_cplusplus)
+ argv.push_back("-lstdc++");
+
if(static_link_ok)
argv.push_back("-static");
- else if(architecture->get_system()=="windows")
- argv.push_back("-Wl,--enable-auto-import");
+ else
+ {
+ if(has_cplusplus)
+ {
+ auto i = binfo.libmodes.find("stdc++");
+ if(i!=binfo.libmodes.end() && i->second<=BuildInfo::STATIC)
+ argv.push_back("-static-libstdc++");
+ }
+
+ if(arch.get_system()=="windows")
+ argv.push_back("-Wl,--enable-auto-import");
+ }
return new ExternalTask(argv, work_dir);
}
projects / builder.git / blobdiff