]> git.tdb.fi Git - builder.git/blobdiff - source/gnulinker.cpp
Remove the -lmingw32 hack
[builder.git] / source / gnulinker.cpp
index a56d716780817cdd63f3e9536584bc242ac19b78..9f6230e481f2f0260275d19d9a88e2ff4a41e46e 100644 (file)
@@ -27,17 +27,7 @@ GnuLinker::GnuLinker(Builder &b, const Architecture &a):
        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");
+       processing_unit = COMPONENT;
 
        default_linker = new Linker(*this, "CC");
        cxx_linker = new Linker(*this, "CXX");
@@ -106,6 +96,89 @@ Target *GnuLinker::create_install(Target &target) const
                return 0;
 }
 
+void GnuLinker::do_prepare()
+{
+       bool path_found = false;
+       const FS::Path &sysroot = build_info.sysroot;
+
+       Tool &compiler = builder.get_toolchain().get_tool("CC");
+       if(dynamic_cast<GnuCompiler *>(&compiler))
+       {
+               compiler.prepare();
+               FileTarget *compiler_exe = compiler.get_executable();
+               if(compiler_exe)
+               {
+                       ExternalTask::Arguments argv;
+                       argv.push_back(compiler_exe->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", format("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", format("Got %s system path: %s", tag, path));
+                                       system_path.push_back(path);
+                                       path_found = true;
+
+                                       start = end+3;
+                               }
+                       }
+                       catch(...)
+                       { }
+               }
+       }
+
+       if(!path_found)
+       {
+               builder.get_logger().log("tools", format("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("/usr/"+architecture->get_cross_prefix()+"/lib");
+       }
+}
+
 Task *GnuLinker::run(const Target &) const
 {
        throw logic_error("GnuLinker should not be run directly");
@@ -124,16 +197,6 @@ GnuLinker::Linker::Linker(GnuLinker &p, const string &ct):
                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());
@@ -144,13 +207,20 @@ string GnuLinker::Linker::create_build_signature(const BuildInfo &binfo) const
                result += 'd';
        if(binfo.strip)
                result += 's';
-       result += ",l";
-       result += join(binfo.libs.begin(), binfo.libs.end(), ",l");
+       if(!binfo.libs.empty())
+       {
+               result += ",l";
+               result += join(binfo.libs.begin(), binfo.libs.end(), ",l");
+       }
        return result;
 }
 
 void GnuLinker::Linker::do_prepare()
 {
+       parent.prepare();
+       build_info = parent.get_build_info();
+       system_path = parent.get_system_path();
+
        Tool &compiler = builder.get_toolchain().get_tool(compiler_tag);
        if(dynamic_cast<GnuCompiler *>(&compiler))
        {
@@ -166,9 +236,7 @@ Task *GnuLinker::Linker::run(const Target &target) const
        vector<string> argv;
        argv.push_back(executable->get_path().str());
 
-       const Component &comp = *bin.get_component();
-
-       FS::Path work_dir = comp.get_package().get_source_directory();
+       FS::Path work_dir = bin.get_component()->get_package().get_source_directory();
 
        if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin))
        {
@@ -196,7 +264,23 @@ Task *GnuLinker::Linker::run(const Target &target) const
                }
        }
 
-       const BuildInfo &binfo = comp.get_build_info();
+       BuildInfo binfo;
+       target.collect_build_info(binfo);
+
+       const FS::Path &sysroot = binfo.sysroot;
+       if(!sysroot.empty())
+               argv.push_back("--sysroot="+sysroot.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(BuildInfo::PathList::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
                argv.push_back("-L"+i->str());
        if(binfo.strip)
@@ -205,14 +289,16 @@ Task *GnuLinker::Linker::run(const Target &target) const
                argv.push_back("-pthread");
 
        const Architecture &native_arch = builder.get_native_arch();
-       if(architecture->get_bits()!=native_arch.get_bits())
+       if(architecture->is_native() && architecture->get_bits()!=native_arch.get_bits())
                argv.push_back(format("-m%d", architecture->get_bits()));
 
        argv.push_back("-o");
        argv.push_back(relative(bin.get_path(), work_dir).str());
 
+       for(BuildInfo::WordList::const_iterator i=binfo.keep_symbols.begin(); i!=binfo.keep_symbols.end(); ++i)
+               argv.push_back("-u"+*i);
+
        bool static_link_ok = (binfo.libmode<=BuildInfo::STATIC);
-       bool need_l_objc = false;
 
        const Target::Dependencies &depends = target.get_dependencies();
        for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
@@ -221,13 +307,7 @@ Task *GnuLinker::Linker::run(const Target &target) const
                Target *tgt = (*i)->get_real_target();
 
                if(ObjectFile *obj = dynamic_cast<ObjectFile *>(tgt))
-               {
                        argv.push_back(relative(obj->get_path(), work_dir).str());
-                       /* XXX This is a hack.  A more generic way is needed for tools to pass
-                       information down the chain. */
-                       if(obj->get_tool()->get_tag()=="OBJC")
-                               need_l_objc = 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))
@@ -253,12 +333,20 @@ Task *GnuLinker::Linker::run(const Target &target) const
                        argv.push_back(i->substr(0, i->size()-10));
                }
 
-       if(need_l_objc)
-               argv.push_back("-lobjc");
        if(static_link_ok)
                argv.push_back("-static");
-       else if(architecture->get_system()=="windows")
-               argv.push_back("-Wl,--enable-auto-import");
+       else
+       {
+               if(compiler_tag=="CXX")
+               {
+                       BuildInfo::LibModeMap::const_iterator i = binfo.libmodes.find("stdc++");
+                       if(i!=binfo.libmodes.end() && i->second<=BuildInfo::STATIC)
+                               argv.push_back("-static-libstdc++");
+               }
+
+               if(architecture->get_system()=="windows")
+                       argv.push_back("-Wl,--enable-auto-import");
+       }
 
        return new ExternalTask(argv, work_dir);
 }