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");
processing_unit = COMPONENT;
- 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");
}
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");
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());
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))
{
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)
bool static_link_ok = (binfo.libmode<=BuildInfo::STATIC);
- if(architecture->get_system()=="windows" && architecture->get_cross_prefix().find("mingw")!=string::npos)
- argv.push_back("-lmingw32");
-
const Target::Dependencies &depends = target.get_dependencies();
for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
{
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);
}
projects / builder.git / blobdiff