#include <msp/fs/dir.h>
#include <msp/fs/utils.h>
#include <msp/strings/format.h>
+#include <msp/strings/utils.h>
#include "builder.h"
#include "component.h"
#include "executable.h"
#include "externaltask.h"
-#include "gnucxxcompiler.h"
+#include "gnucompiler.h"
#include "gnulinker.h"
#include "objectfile.h"
#include "sharedlibrary.h"
using namespace std;
using namespace Msp;
-GnuLinker::GnuLinker(Builder &b):
- Tool(b, "LINK")
+GnuLinker::GnuLinker(Builder &b, const Architecture &a):
+ Tool(b, a, "LINK")
{
input_suffixes.push_back(".o");
input_suffixes.push_back(".a");
+
+ 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");
}
-Target *GnuLinker::create_target(const list<Target *> &sources, const std::string &arg) const
+GnuLinker::~GnuLinker()
+{
+ delete default_linker;
+ delete cxx_linker;
+}
+
+Target *GnuLinker::create_target(const list<Target *> &sources, const string &arg) const
{
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");
}
- const Component &comp = objs.front()->get_component();
+ const Component &comp = *objs.front()->get_component();
Binary *bin = 0;
if(arg=="shared")
bin = new SharedLibrary(builder, comp, objs);
else
bin = new Executable(builder, comp, objs);
- bin->set_tool(*this);
+ bin->set_tool(*linker);
return bin;
}
-Task *GnuLinker::run(const Target &target) const
+Task *GnuLinker::run(const Target &) const
{
- const Binary &bin = dynamic_cast<const Binary &>(target);
- const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin);
+ throw logic_error("GnuLinker should not be run directly");
+}
- string command = "gcc";
- const Target::Dependencies &depends = target.get_depends();
- for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
- if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
- {
- const Tool *tool = obj->get_tool();
- if(dynamic_cast<const GnuCxxCompiler *>(tool))
- command = "g++";
- }
+GnuLinker::Linker::Linker(GnuLinker &p, const string &compiler_tag):
+ SubTool(p)
+{
+ const Tool &compiler = builder.get_toolchain().get_tool(compiler_tag);
+ if(dynamic_cast<const GnuCompiler *>(&compiler))
+ executable = compiler.get_executable();
+ else
+ {
+ string command;
+ if(compiler_tag=="CC")
+ command = "gcc";
+ else if(compiler_tag=="CXX")
+ command = "g++";
+ else
+ throw invalid_argument("GnuLinker::Linker::Linker");
+ if(architecture->is_cross())
+ command = format("%s-%s", architecture->get_cross_prefix(), command);
+ executable = builder.get_vfs().find_binary(command);
+ }
+}
+
+Target *GnuLinker::Linker::create_target(const list<Target *> &sources, const string &arg) const
+{
+ return parent.create_target(sources, arg);
+}
+
+string GnuLinker::Linker::create_build_signature(const BuildInfo &binfo) const
+{
+ string result = FS::basename(executable->get_path());
+ result += ',';
+ if(binfo.libmode<=BuildInfo::STATIC)
+ result += 't';
+ else
+ result += 'd';
+ if(binfo.strip)
+ result += 's';
+ result += ",l";
+ result += join(binfo.libs.begin(), binfo.libs.end(), ",l");
+ return result;
+}
+
+Task *GnuLinker::Linker::run(const Target &target) const
+{
+ const Binary &bin = dynamic_cast<const Binary &>(target);
vector<string> argv;
- argv.push_back(command);
+ argv.push_back(executable->get_path().str());
- const Component &comp = bin.get_component();
+ const Component &comp = *bin.get_component();
- if(shlib)
+ if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin))
{
argv.push_back("-shared");
+ argv.push_back("-fPIC");
if(!shlib->get_soname().empty())
argv.push_back("-Wl,-soname,"+shlib->get_soname());
}
- else if(comp.get_package().get_library_mode()==ALL_STATIC)
- argv.push_back("-static");
const BuildInfo &binfo = comp.get_build_info();
- for(list<string>::const_iterator i=binfo.ldflags.begin(); i!=binfo.ldflags.end(); ++i)
- argv.push_back(*i);
- for(list<string>::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
- argv.push_back("-L"+*i);
+ for(BuildInfo::PathList::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
+ argv.push_back("-L"+i->str());
+ if(binfo.strip)
+ argv.push_back("-s");
+ if(binfo.threads)
+ argv.push_back("-pthread");
- const Architecture &arch = builder.get_current_arch();
const Architecture &native_arch = builder.get_native_arch();
- if(arch.get_bits()!=native_arch.get_bits())
- argv.push_back(format("-m%d", arch.get_bits()));
+ if(architecture->get_bits()!=native_arch.get_bits())
+ argv.push_back(format("-m%d", architecture->get_bits()));
- FS::Path work_dir = comp.get_package().get_source();
+ FS::Path work_dir = comp.get_package().get_source_directory();
argv.push_back("-o");
argv.push_back(relative(bin.get_path(), work_dir).str());
+
+ 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)
{
Target *tgt = (*i)->get_real_target();
argv.push_back(relative(obj->get_path(), work_dir).str());
else if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(tgt))
argv.push_back(stlib->get_path().str());
- else if(Library *lib = dynamic_cast<Library *>(tgt))
- argv.push_back("-l"+lib->get_libname());
+ else if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(tgt))
+ {
+ argv.push_back("-l"+shlib->get_libname());
+ static_link_ok = false;
+ }
}
- if(!builder.get_dry_run())
- FS::mkpath(FS::dirname(bin.get_path()), 0755);
+ if(static_link_ok)
+ argv.push_back("-static");
return new ExternalTask(argv, work_dir);
}