3 #include <msp/core/algorithm.h>
4 #include <msp/fs/dir.h>
5 #include <msp/fs/utils.h>
6 #include <msp/strings/format.h>
7 #include <msp/strings/utils.h>
10 #include "executable.h"
11 #include "exportdefinitions.h"
12 #include "externaltask.h"
13 #include "gnucompiler.h"
14 #include "gnulinker.h"
15 #include "importlibrary.h"
16 #include "installedfile.h"
17 #include "objectfile.h"
18 #include "sharedlibrary.h"
19 #include "sourcepackage.h"
20 #include "staticlibrary.h"
25 GnuLinker::GnuLinker(Builder &b, const Architecture &a):
28 input_suffixes.push_back(".o");
29 input_suffixes.push_back(".a");
31 processing_unit = COMPONENT;
33 set_command("gcc", true);
37 Target *GnuLinker::create_target(const vector<Target *> &sources, const string &arg)
40 throw invalid_argument("GnuLinker::create_target");
41 vector<ObjectFile *> objs;
42 objs.reserve(sources.size());
43 for(Target *s: sources)
44 objs.push_back(&dynamic_cast<ObjectFile &>(*s));
46 const Component &comp = *objs.front()->get_component();
50 SharedLibrary *shlib = new SharedLibrary(builder, comp, objs);
51 if(architecture->get_system()=="windows")
53 Tool &dlltool = builder.get_toolchain().get_tool("DLL");
54 dlltool.create_target(*shlib);
59 bin = new Executable(builder, comp, objs);
64 Target *GnuLinker::create_install(Target &target) const
66 if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(&target))
68 Tool © = builder.get_toolchain().get_tool("CP");
69 InstalledFile *inst_tgt = dynamic_cast<InstalledFile *>(copy.create_target(target));
70 if(architecture->get_system()=="windows")
71 builder.get_build_graph().add_installed_target(*shlib->get_import_library());
74 string link_name = architecture->create_filename<SharedLibrary>(shlib->get_libname());
75 if(link_name!=FS::basename(inst_tgt->get_path()))
76 inst_tgt->set_symlink(link_name);
84 string GnuLinker::create_build_signature(const BuildInfo &binfo) const
86 string result = Tool::create_build_signature(binfo);
88 if(binfo.libmode<=BuildInfo::STATIC)
94 if(!binfo.libs.empty())
97 result += join(binfo.libs.begin(), binfo.libs.end(), ",l");
102 void GnuLinker::do_prepare(ToolData &tool) const
104 bool path_found = false;
105 const FS::Path &sysroot = tool.build_info.sysroot;
106 const std::string &tool_tag = static_cast<Tool &>(tool).get_tag();
108 const FileTarget *exe = static_cast<Tool &>(tool).get_executable();
111 ExternalTask::Arguments argv;
112 argv.push_back(exe->get_path().str());
113 argv.push_back("-v");
114 argv.push_back("-Wl,--verbose");
115 argv.push_back("-nostdlib");
117 argv.push_back("--sysroot="+sysroot.str());
119 builder.get_logger().log("auxcommands", "Running %s", join(argv.begin(), argv.end()));
122 string output = ExternalTask::run_and_capture_output(argv, FS::Path(), true);
124 string::size_type lib_path = output.find("LIBRARY_PATH=");
125 if(lib_path!=string::npos)
127 string::size_type newline = output.find('\n', lib_path);
128 for(const string &p: split(output.substr(lib_path+13, newline-lib_path-13), ':'))
130 FS::Path path = strip(p);
131 if(!any_equals(tool.system_path, path))
133 builder.get_logger().log("tools", "Got %s frontend system path: %s", tool_tag, path);
134 tool.system_path.push_back(path);
140 string::size_type start = 0;
141 while(start<output.size())
143 string::size_type search_dir = output.find("SEARCH_DIR(\"", start);
144 if(search_dir==string::npos)
148 string::size_type end = output.find("\");", search_dir);
149 if(end==string::npos)
153 if(!output.compare(search_dir, 2, "=/"))
162 path /= output.substr(search_dir, end-search_dir);
163 if(!any_equals(tool.system_path, path))
165 builder.get_logger().log("tools", "Got %s implicit system path: %s", tool_tag, path);
166 tool.system_path.push_back(path);
179 builder.get_logger().log("tools", "No %s system path found, using defaults", tool_tag);
181 tool.system_path.push_back(sysroot/"usr/lib");
182 else if(architecture->is_native())
184 tool.system_path.push_back("/lib");
185 tool.system_path.push_back("/usr/lib");
186 if(architecture->match_name("pc-32-linux"))
188 tool.system_path.push_back("/lib/i386-linux-gnu");
189 tool.system_path.push_back("/usr/lib/i386-linux-gnu");
191 else if(architecture->match_name("pc-64-linux"))
193 tool.system_path.push_back("/lib/x86_64-linux-gnu");
194 tool.system_path.push_back("/usr/lib/x86_64-linux-gnu");
198 tool.system_path.push_back(format("/usr/%s/lib", architecture->get_cross_prefix()));
202 Task *GnuLinker::_run(const Binary &bin)
204 const Tool &tool = *bin.get_tool();
205 const Builder &builder = tool.get_builder();
206 const Architecture &arch = *tool.get_architecture();
208 ExternalTask::Arguments argv;
209 argv.push_back(tool.get_executable()->get_path().str());
211 FS::Path work_dir = bin.get_component()->get_package().get_source_directory();
213 if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin))
215 argv.push_back("-shared");
216 argv.push_back("-fPIC");
217 if(arch.get_system()!="windows" && !shlib->get_soname().empty())
219 if(arch.get_system()=="darwin")
221 argv.push_back("-install_name");
222 argv.push_back(shlib->get_soname());
224 const string &ver = shlib->get_package()->get_version();
225 const string &if_ver = shlib->get_package()->get_interface_version();
226 if(!ver.empty() && !if_ver.empty())
228 argv.push_back("-current_version");
230 argv.push_back("-compatibility_version");
231 argv.push_back(if_ver);
235 argv.push_back("-Wl,-soname,"+shlib->get_soname());
240 bin.collect_build_info(binfo);
242 const FS::Path &sysroot = binfo.sysroot;
244 argv.push_back("--sysroot="+sysroot.str());
246 FS::Path lib_dir = builder.get_prefix()/"lib";
247 if(binfo.rpath_mode==BuildInfo::ABSOLUTE)
248 argv.push_back("-Wl,-rpath,"+lib_dir.str());
251 if(binfo.rpath_mode==BuildInfo::RELATIVE)
252 argv.push_back("-Wl,-rpath,$ORIGIN/../lib");
253 argv.push_back("-Wl,-rpath-link,"+lib_dir.str());
256 for(const FS::Path &p: binfo.libpath)
257 argv.push_back("-L"+p.str());
259 argv.push_back("-s");
260 if(binfo.threads && arch.get_system()!="windows" && arch.get_system()!="darwin")
261 argv.push_back("-pthread");
263 const Architecture &native_arch = builder.get_native_arch();
264 if(arch.is_native() && arch.get_bits()!=native_arch.get_bits())
265 argv.push_back(format("-m%d", arch.get_bits()));
267 argv.push_back("-o");
268 argv.push_back(relative(bin.get_path(), work_dir).str());
270 for(const string &s: binfo.keep_symbols)
271 argv.push_back("-u"+s);
273 bool static_link_ok = (binfo.libmode<=BuildInfo::STATIC);
275 bool has_cplusplus = false;
276 for(Target *d: bin.get_dependencies())
278 FileTarget *file = dynamic_cast<FileTarget *>(d);
279 Target *tgt = d->get_real_target();
281 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(tgt))
283 argv.push_back(relative(obj->get_path(), work_dir).str());
284 if(obj->get_tool()->get_tag()=="CXX")
285 has_cplusplus = true;
287 else if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(tgt))
288 argv.push_back((file?file:stlib)->get_path().str());
289 else if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(tgt))
291 argv.push_back("-l"+shlib->get_libname());
292 static_link_ok = false;
294 else if(ImportLibrary *imp = dynamic_cast<ImportLibrary *>(tgt))
296 shlib = imp->get_shared_library();
298 argv.push_back("-l"+shlib->get_libname());
300 argv.push_back((file?file:imp)->get_path().str());
301 static_link_ok = false;
305 for(const string &l: binfo.libs)
306 if(l.size()>10 && !l.compare(l.size()-10, 10, ".framework"))
308 argv.push_back("-framework");
309 argv.push_back(l.substr(0, l.size()-10));
313 argv.push_back("-static");
318 auto i = binfo.libmodes.find("stdc++");
319 if(i!=binfo.libmodes.end() && i->second<=BuildInfo::STATIC)
320 argv.push_back("-static-libstdc++");
323 if(arch.get_system()=="windows")
324 argv.push_back("-Wl,--enable-auto-import");
327 return new ExternalTask(argv, work_dir);