3 #include <msp/fs/dir.h>
4 #include <msp/fs/utils.h>
5 #include <msp/strings/format.h>
6 #include <msp/strings/utils.h>
9 #include "executable.h"
10 #include "exportdefinitions.h"
11 #include "externaltask.h"
12 #include "gnucompiler.h"
13 #include "gnulinker.h"
14 #include "importlibrary.h"
15 #include "installedfile.h"
16 #include "objectfile.h"
17 #include "sharedlibrary.h"
18 #include "sourcepackage.h"
19 #include "staticlibrary.h"
24 GnuLinker::GnuLinker(Builder &b, const Architecture &a):
27 input_suffixes.push_back(".o");
28 input_suffixes.push_back(".a");
30 processing_unit = COMPONENT;
36 Target *GnuLinker::create_target(const vector<Target *> &sources, const string &arg)
39 throw invalid_argument("GnuLinker::create_target");
40 vector<ObjectFile *> objs;
41 objs.reserve(sources.size());
42 for(Target *s: sources)
43 objs.push_back(&dynamic_cast<ObjectFile &>(*s));
45 const Component &comp = *objs.front()->get_component();
49 SharedLibrary *shlib = new SharedLibrary(builder, comp, objs);
50 if(architecture->get_system()=="windows")
52 Tool &dlltool = builder.get_toolchain().get_tool("DLL");
53 dlltool.create_target(*shlib);
58 bin = new Executable(builder, comp, objs);
63 Target *GnuLinker::create_install(Target &target) const
65 if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(&target))
67 Tool © = builder.get_toolchain().get_tool("CP");
68 InstalledFile *inst_tgt = dynamic_cast<InstalledFile *>(copy.create_target(target));
69 if(architecture->get_system()=="windows")
70 builder.get_build_graph().add_installed_target(*shlib->get_import_library());
73 string link_name = architecture->create_filename<SharedLibrary>(shlib->get_libname());
74 if(link_name!=FS::basename(inst_tgt->get_path()))
75 inst_tgt->set_symlink(link_name);
83 string GnuLinker::create_build_signature(const BuildInfo &binfo) const
85 string result = Tool::create_build_signature(binfo);
87 if(binfo.libmode<=BuildInfo::STATIC)
93 if(!binfo.libs.empty())
96 result += join(binfo.libs.begin(), binfo.libs.end(), ",l");
101 void GnuLinker::do_prepare()
103 bool path_found = false;
104 const FS::Path &sysroot = build_info.sysroot;
108 ExternalTask::Arguments argv;
109 argv.push_back(executable->get_path().str());
110 argv.push_back("-Wl,--verbose");
111 argv.push_back("-nostdlib");
113 argv.push_back("--sysroot="+sysroot.str());
115 builder.get_logger().log("auxcommands", "Running %s", join(argv.begin(), argv.end()));
118 string output = ExternalTask::run_and_capture_output(argv, FS::Path(), true);
119 string::size_type start = 0;
120 while(start<output.size())
122 string::size_type search_dir = output.find("SEARCH_DIR(\"", start);
123 if(search_dir==string::npos)
127 string::size_type end = output.find("\");", search_dir);
128 if(end==string::npos)
132 if(!output.compare(search_dir, 2, "=/"))
141 path /= output.substr(search_dir, end-search_dir);
142 builder.get_logger().log("tools", "Got %s system path: %s", tag, path);
143 system_path.push_back(path);
155 builder.get_logger().log("tools", "No %s system path found, using defaults", tag);
157 system_path.push_back(sysroot/"usr/lib");
158 else if(architecture->is_native())
160 system_path.push_back("/lib");
161 system_path.push_back("/usr/lib");
162 if(architecture->match_name("pc-32-linux"))
164 system_path.push_back("/lib/i386-linux-gnu");
165 system_path.push_back("/usr/lib/i386-linux-gnu");
167 else if(architecture->match_name("pc-64-linux"))
169 system_path.push_back("/lib/x86_64-linux-gnu");
170 system_path.push_back("/usr/lib/x86_64-linux-gnu");
174 system_path.push_back(format("/usr/%s/lib", architecture->get_cross_prefix()));
178 Task *GnuLinker::_run(const Binary &bin)
180 const Tool &tool = *bin.get_tool();
181 const Builder &builder = tool.get_builder();
182 const Architecture &arch = *tool.get_architecture();
184 ExternalTask::Arguments argv;
185 argv.push_back(tool.get_executable()->get_path().str());
187 FS::Path work_dir = bin.get_component()->get_package().get_source_directory();
189 if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin))
191 argv.push_back("-shared");
192 argv.push_back("-fPIC");
193 if(arch.get_system()!="windows" && !shlib->get_soname().empty())
195 if(arch.get_system()=="darwin")
197 argv.push_back("-install_name");
198 argv.push_back(shlib->get_soname());
200 const string &ver = shlib->get_package()->get_version();
201 const string &if_ver = shlib->get_package()->get_interface_version();
202 if(!ver.empty() && !if_ver.empty())
204 argv.push_back("-current_version");
206 argv.push_back("-compatibility_version");
207 argv.push_back(if_ver);
211 argv.push_back("-Wl,-soname,"+shlib->get_soname());
216 bin.collect_build_info(binfo);
218 const FS::Path &sysroot = binfo.sysroot;
220 argv.push_back("--sysroot="+sysroot.str());
222 FS::Path lib_dir = builder.get_prefix()/"lib";
223 if(binfo.rpath_mode==BuildInfo::ABSOLUTE)
224 argv.push_back("-Wl,-rpath,"+lib_dir.str());
227 if(binfo.rpath_mode==BuildInfo::RELATIVE)
228 argv.push_back("-Wl,-rpath,$ORIGIN/../lib");
229 argv.push_back("-Wl,-rpath-link,"+lib_dir.str());
232 for(const FS::Path &p: binfo.libpath)
233 argv.push_back("-L"+p.str());
235 argv.push_back("-s");
236 if(binfo.threads && arch.get_system()!="windows" && arch.get_system()!="darwin")
237 argv.push_back("-pthread");
239 const Architecture &native_arch = builder.get_native_arch();
240 if(arch.is_native() && arch.get_bits()!=native_arch.get_bits())
241 argv.push_back(format("-m%d", arch.get_bits()));
243 argv.push_back("-o");
244 argv.push_back(relative(bin.get_path(), work_dir).str());
246 for(const string &s: binfo.keep_symbols)
247 argv.push_back("-u"+s);
249 bool static_link_ok = (binfo.libmode<=BuildInfo::STATIC);
251 bool has_cplusplus = false;
252 for(Target *d: bin.get_dependencies())
254 FileTarget *file = dynamic_cast<FileTarget *>(d);
255 Target *tgt = d->get_real_target();
257 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(tgt))
259 argv.push_back(relative(obj->get_path(), work_dir).str());
260 if(obj->get_tool()->get_tag()=="CXX")
261 has_cplusplus = true;
263 else if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(tgt))
264 argv.push_back((file?file:stlib)->get_path().str());
265 else if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(tgt))
267 argv.push_back("-l"+shlib->get_libname());
268 static_link_ok = false;
270 else if(ImportLibrary *imp = dynamic_cast<ImportLibrary *>(tgt))
272 shlib = imp->get_shared_library();
274 argv.push_back("-l"+shlib->get_libname());
276 argv.push_back((file?file:imp)->get_path().str());
277 static_link_ok = false;
281 for(const string &l: binfo.libs)
282 if(l.size()>10 && !l.compare(l.size()-10, 10, ".framework"))
284 argv.push_back("-framework");
285 argv.push_back(l.substr(0, l.size()-10));
289 argv.push_back("-lstdc++");
292 argv.push_back("-static");
297 auto i = binfo.libmodes.find("stdc++");
298 if(i!=binfo.libmodes.end() && i->second<=BuildInfo::STATIC)
299 argv.push_back("-static-libstdc++");
302 if(arch.get_system()=="windows")
303 argv.push_back("-Wl,--enable-auto-import");
306 return new ExternalTask(argv, work_dir);