X-Git-Url: http://git.tdb.fi/?p=builder.git;a=blobdiff_plain;f=source%2Fgnulinker.cpp;h=9f6230e481f2f0260275d19d9a88e2ff4a41e46e;hp=43fb373bf6f90236089d1bf4dd5997f79b5d218a;hb=bf227e1b5e956cb8554d9e57077a02d3aa169bf2;hpb=632361796a7ddadf8a726526c937fab22281fb7b

diff --git a/source/gnulinker.cpp b/source/gnulinker.cpp
index 43fb373..9f6230e 100644
--- a/source/gnulinker.cpp
+++ b/source/gnulinker.cpp
@@ -3,12 +3,16 @@
 #include <msp/fs/dir.h>
 #include <msp/fs/utils.h>
 #include <msp/strings/format.h>
+#include <msp/strings/utils.h>
 #include "builder.h"
 #include "component.h"
 #include "executable.h"
+#include "exportdefinitions.h"
 #include "externaltask.h"
-#include "gnucxxcompiler.h"
+#include "gnucompiler.h"
 #include "gnulinker.h"
+#include "importlibrary.h"
+#include "installedfile.h"
 #include "objectfile.h"
 #include "sharedlibrary.h"
 #include "sourcepackage.h"
@@ -17,98 +21,332 @@
 using namespace std;
 using namespace Msp;
 
-GnuLinker::GnuLinker(Builder &b):
-	Tool(b, "LINK")
+GnuLinker::GnuLinker(Builder &b, const Architecture &a):
+	Tool(b, a, "LINK")
 {
 	input_suffixes.push_back(".o");
 	input_suffixes.push_back(".a");
+
+	processing_unit = COMPONENT;
+
+	default_linker = new Linker(*this, "CC");
+	cxx_linker = new Linker(*this, "CXX");
+}
+
+GnuLinker::~GnuLinker()
+{
+	delete default_linker;
+	delete cxx_linker;
 }
 
-Target *GnuLinker::create_target(const list<Target *> &sources, const std::string &arg) const
+Target *GnuLinker::create_target(const list<Target *> &sources, const string &arg)
 {
 	if(sources.empty())
 		throw invalid_argument("GnuLinker::create_target");
 	list<ObjectFile *> objs;
+	Linker *linker = default_linker;
 	for(list<Target *>::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 	{
 		if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
+		{
 			objs.push_back(obj);
+			if(obj->get_tool()->get_tag()=="CXX")
+				linker = cxx_linker;
+		}
 		else
 			throw invalid_argument("GnuLinker::create_target");
 	}
 
-	const Component &comp = objs.front()->get_component();
+	const Component &comp = *objs.front()->get_component();
 	Binary *bin = 0;
 	if(arg=="shared")
-		bin = new SharedLibrary(builder, comp, objs);
+	{
+		SharedLibrary *shlib = new SharedLibrary(builder, comp, objs);
+		if(architecture->get_system()=="windows")
+		{
+			Tool &dlltool = builder.get_toolchain().get_tool("DLL");
+			dlltool.create_target(*shlib);
+		}
+		bin = shlib;
+	}
 	else
 		bin = new Executable(builder, comp, objs);
-	bin->set_tool(*this);
+	bin->set_tool(*linker);
 	return bin;
 }
 
-Task *GnuLinker::run(const Target &target) const
+Target *GnuLinker::create_install(Target &target) const
 {
-	const Binary &bin = dynamic_cast<const Binary &>(target);
-	const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin);
+	if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(&target))
+	{
+		Tool &copy = builder.get_toolchain().get_tool("CP");
+		InstalledFile *inst_tgt = dynamic_cast<InstalledFile *>(copy.create_target(target));
+		if(architecture->get_system()=="windows")
+			builder.get_build_graph().add_installed_target(*shlib->get_import_library());
+		else
+		{
+			const Pattern &pattern = architecture->get_shared_library_patterns().front();
+			string link_name = pattern.apply(shlib->get_libname());
+			if(link_name!=FS::basename(inst_tgt->get_path()))
+				inst_tgt->set_symlink(link_name);
+		}
+		return inst_tgt;
+	}
+	else
+		return 0;
+}
 
-	string command = "gcc";
+void GnuLinker::do_prepare()
+{
+	bool path_found = false;
+	const FS::Path &sysroot = build_info.sysroot;
 
-	const Target::Dependencies &depends = target.get_depends();
-	for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
-		if(ObjectFile *obj = dynamic_cast<ObjectFile *>(*i))
+	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())
 		{
-			const Tool *tool = obj->get_tool();
-			if(dynamic_cast<const GnuCxxCompiler *>(tool))
-				command = "g++";
+			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");
+}
+
+
+GnuLinker::Linker::Linker(GnuLinker &p, const string &ct):
+	SubTool(p),
+	compiler_tag(ct)
+{
+	if(compiler_tag=="CC")
+		set_command("gcc", true);
+	else if(compiler_tag=="CXX")
+		set_command("g++", true);
+	else
+		throw invalid_argument("GnuLinker::Linker::Linker");
+}
+
+string GnuLinker::Linker::create_build_signature(const BuildInfo &binfo) const
+{
+	string result = FS::basename(executable->get_path());
+	result += ',';
+	if(binfo.libmode<=BuildInfo::STATIC)
+		result += 't';
+	else
+		result += 'd';
+	if(binfo.strip)
+		result += 's';
+	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))
+	{
+		compiler.prepare();
+		executable = compiler.get_executable();
+	}
+}
+
+Task *GnuLinker::Linker::run(const Target &target) const
+{
+	const Binary &bin = dynamic_cast<const Binary &>(target);
 
 	vector<string> argv;
-	argv.push_back(command);
+	argv.push_back(executable->get_path().str());
 
-	const Component &comp = *bin.get_component();
+	FS::Path work_dir = bin.get_component()->get_package().get_source_directory();
 
-	if(shlib)
+	if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin))
 	{
 		argv.push_back("-shared");
 		argv.push_back("-fPIC");
-		if(!shlib->get_soname().empty())
-			argv.push_back("-Wl,-soname,"+shlib->get_soname());
+		if(architecture->get_system()!="windows" && !shlib->get_soname().empty())
+		{
+			if(architecture->get_system()=="darwin")
+			{
+				argv.push_back("-install_name");
+				argv.push_back(shlib->get_soname());
+
+				const string &ver = shlib->get_package()->get_version();
+				const string &if_ver = shlib->get_package()->get_interface_version();
+				if(!ver.empty() && !if_ver.empty())
+				{
+					argv.push_back("-current_version");
+					argv.push_back(ver);
+					argv.push_back("-compatibility_version");
+					argv.push_back(if_ver);
+				}
+			}
+			else
+				argv.push_back("-Wl,-soname,"+shlib->get_soname());
+		}
 	}
-	else if(comp.get_package().get_library_mode()==ALL_STATIC)
-		argv.push_back("-static");
 
-	const BuildInfo &binfo = comp.get_build_info();
-	for(list<string>::const_iterator i=binfo.libpath.begin(); i!=binfo.libpath.end(); ++i)
-		argv.push_back("-L"+*i);
+	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)
 		argv.push_back("-s");
-	if(binfo.threads)
+	if(binfo.threads && architecture->get_system()!="windows" && architecture->get_system()!="darwin")
 		argv.push_back("-pthread");
 
-	const Architecture &arch = builder.get_current_arch();
 	const Architecture &native_arch = builder.get_native_arch();
-	if(arch.get_bits()!=native_arch.get_bits())
-		argv.push_back(format("-m%d", arch.get_bits()));
-
-	FS::Path work_dir = comp.get_package().get_source();
+	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);
+
+	const Target::Dependencies &depends = target.get_dependencies();
 	for(Target::Dependencies::const_iterator i=depends.begin(); i!=depends.end(); ++i)
 	{
+		FileTarget *file = dynamic_cast<FileTarget *>(*i);
 		Target *tgt = (*i)->get_real_target();
 
 		if(ObjectFile *obj = dynamic_cast<ObjectFile *>(tgt))
 			argv.push_back(relative(obj->get_path(), work_dir).str());
 		else if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(tgt))
-			argv.push_back(stlib->get_path().str());
-		else if(Library *lib = dynamic_cast<Library *>(tgt))
-			argv.push_back("-l"+lib->get_libname());
+			argv.push_back((file?file:stlib)->get_path().str());
+		else if(SharedLibrary *shlib = dynamic_cast<SharedLibrary *>(tgt))
+		{
+			argv.push_back("-l"+shlib->get_libname());
+			static_link_ok = false;
+		}
+		else if(ImportLibrary *imp = dynamic_cast<ImportLibrary *>(tgt))
+		{
+			shlib = imp->get_shared_library();
+			if(shlib)
+				argv.push_back("-l"+shlib->get_libname());
+			else
+				argv.push_back((file?file:imp)->get_path().str());
+			static_link_ok = false;
+		}
 	}
 
-	if(!builder.get_dry_run())
-		FS::mkpath(FS::dirname(bin.get_path()), 0755);
+	for(BuildInfo::WordList::const_iterator i=binfo.libs.begin(); i!=binfo.libs.end(); ++i)
+		if(i->size()>10 && !i->compare(i->size()-10, 10, ".framework"))
+		{
+			argv.push_back("-framework");
+			argv.push_back(i->substr(0, i->size()-10));
+		}
+
+	if(static_link_ok)
+		argv.push_back("-static");
+	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);
 }