3 #include <msp/builder/builder.h>
4 #include <msp/builder/component.h>
5 #include <msp/builder/executable.h>
6 #include <msp/builder/exportdefinitions.h>
7 #include <msp/builder/importlibrary.h>
8 #include <msp/builder/installedfile.h>
9 #include <msp/builder/objectfile.h>
10 #include <msp/builder/sharedlibrary.h>
11 #include <msp/builder/sourcepackage.h>
12 #include <msp/builder/staticlibrary.h>
13 #include <msp/core/algorithm.h>
14 #include <msp/fs/dir.h>
15 #include <msp/fs/utils.h>
16 #include <msp/strings/format.h>
17 #include <msp/strings/utils.h>
18 #include "gnucompiler.h"
19 #include "gnulinker.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;
32 set_command("gcc", true);
33 set_run_external(_run);
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(ToolData &tool) const
103 bool path_found = false;
104 const FS::Path &sysroot = tool.build_info.sysroot;
105 const std::string &tool_tag = static_cast<Tool &>(tool).get_tag();
107 const FileTarget *exe = static_cast<Tool &>(tool).get_executable();
110 ExternalTask::Arguments argv;
111 argv.push_back(exe->get_path().str());
112 argv.push_back("-v");
113 argv.push_back("-Wl,--verbose");
114 argv.push_back("-nostdlib");
116 argv.push_back("--sysroot="+sysroot.str());
118 builder.get_logger().log("auxcommands", "Running %s", join(argv.begin(), argv.end()));
121 string output = ExternalTask::run_and_capture_output(argv, FS::Path(), true);
123 string::size_type lib_path = output.find("LIBRARY_PATH=");
124 if(lib_path!=string::npos)
126 string::size_type newline = output.find('\n', lib_path);
127 for(const string &p: split(output.substr(lib_path+13, newline-lib_path-13), ':'))
129 FS::Path path = strip(p);
130 if(!any_equals(tool.system_path, path))
132 builder.get_logger().log("tools", "Got %s frontend system path: %s", tool_tag, path);
133 tool.system_path.push_back(path);
139 string::size_type start = 0;
140 while(start<output.size())
142 string::size_type search_dir = output.find("SEARCH_DIR(\"", start);
143 if(search_dir==string::npos)
147 string::size_type end = output.find("\");", search_dir);
148 if(end==string::npos)
152 if(!output.compare(search_dir, 2, "=/"))
161 path /= output.substr(search_dir, end-search_dir);
162 if(!any_equals(tool.system_path, path))
164 builder.get_logger().log("tools", "Got %s implicit system path: %s", tool_tag, path);
165 tool.system_path.push_back(path);
178 builder.get_logger().log("tools", "No %s system path found, using defaults", tool_tag);
180 tool.system_path.push_back(sysroot/"usr/lib");
181 else if(architecture->is_native())
183 tool.system_path.push_back("/lib");
184 tool.system_path.push_back("/usr/lib");
185 if(architecture->match_name("pc-32-linux"))
187 tool.system_path.push_back("/lib/i386-linux-gnu");
188 tool.system_path.push_back("/usr/lib/i386-linux-gnu");
190 else if(architecture->match_name("pc-64-linux"))
192 tool.system_path.push_back("/lib/x86_64-linux-gnu");
193 tool.system_path.push_back("/usr/lib/x86_64-linux-gnu");
197 tool.system_path.push_back(format("/usr/%s/lib", architecture->get_cross_prefix()));
201 ExternalTask::Arguments GnuLinker::_run(const Binary &bin, FS::Path &work_dir)
203 const Tool &tool = *bin.get_tool();
204 const Builder &builder = tool.get_builder();
205 const Architecture &arch = *tool.get_architecture();
207 ExternalTask::Arguments argv;
208 argv.push_back(tool.get_executable()->get_path().str());
210 if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin))
212 argv.push_back("-shared");
213 argv.push_back("-fPIC");
214 if(arch.get_system()!="windows" && !shlib->get_soname().empty())
216 if(arch.get_system()=="darwin")
218 argv.push_back("-install_name");
219 argv.push_back(shlib->get_soname());
221 const string &ver = shlib->get_package()->get_version();
222 const string &if_ver = shlib->get_package()->get_interface_version();
223 if(!ver.empty() && !if_ver.empty())
225 argv.push_back("-current_version");
227 argv.push_back("-compatibility_version");
228 argv.push_back(if_ver);
232 argv.push_back("-Wl,-soname,"+shlib->get_soname());
237 bin.collect_build_info(binfo);
239 const FS::Path &sysroot = binfo.sysroot;
241 argv.push_back("--sysroot="+sysroot.str());
243 FS::Path lib_dir = builder.get_prefix()/"lib";
244 if(binfo.rpath_mode==BuildInfo::ABSOLUTE)
245 argv.push_back("-Wl,-rpath,"+lib_dir.str());
248 if(binfo.rpath_mode==BuildInfo::RELATIVE)
249 argv.push_back("-Wl,-rpath,$ORIGIN/../lib");
250 argv.push_back("-Wl,-rpath-link,"+lib_dir.str());
253 for(const FS::Path &p: binfo.libpath)
254 argv.push_back("-L"+p.str());
256 argv.push_back("-s");
257 if(binfo.threads && arch.get_system()!="windows" && arch.get_system()!="darwin")
258 argv.push_back("-pthread");
260 const Architecture &native_arch = builder.get_native_arch();
261 if(arch.is_native() && arch.get_bits()!=native_arch.get_bits())
262 argv.push_back(format("-m%d", arch.get_bits()));
264 argv.push_back("-o");
265 argv.push_back(relative(bin.get_path(), work_dir).str());
267 for(const string &s: binfo.keep_symbols)
268 argv.push_back("-u"+s);
270 bool static_link_ok = (binfo.libmode<=BuildInfo::STATIC);
272 bool has_cplusplus = false;
273 for(Target *d: bin.get_dependencies())
275 FileTarget *file = dynamic_cast<FileTarget *>(d);
276 Target *tgt = d->get_real_target();
278 if(ObjectFile *obj = dynamic_cast<ObjectFile *>(tgt))
280 argv.push_back(relative(obj->get_path(), work_dir).str());
281 if(obj->get_tool()->get_tag()=="CXX")
282 has_cplusplus = true;
284 else if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(tgt))
285 argv.push_back((file?file:stlib)->get_path().str());
286 else if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(tgt))
288 argv.push_back("-l"+shlib->get_libname());
289 static_link_ok = false;
291 else if(ImportLibrary *imp = dynamic_cast<ImportLibrary *>(tgt))
293 shlib = imp->get_shared_library();
295 argv.push_back("-l"+shlib->get_libname());
297 argv.push_back((file?file:imp)->get_path().str());
298 static_link_ok = false;
302 for(const string &l: binfo.libs)
303 if(l.size()>10 && !l.compare(l.size()-10, 10, ".framework"))
305 argv.push_back("-framework");
306 argv.push_back(l.substr(0, l.size()-10));
310 argv.push_back("-static");
315 auto i = binfo.libmodes.find("stdc++");
316 if(i!=binfo.libmodes.end() && i->second<=BuildInfo::STATIC)
317 argv.push_back("-static-libstdc++");
320 if(arch.get_system()=="windows")
321 argv.push_back("-Wl,--enable-auto-import");