X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=plugins%2Fgnu%2Fgnulinker.cpp;fp=plugins%2Fgnu%2Fgnulinker.cpp;h=710c44b9b3f0bfaf722be1372691775d66b8a718;hb=c8e829c219c65ff8e93b6c7b66212ff0876441c5;hp=0000000000000000000000000000000000000000;hpb=e2c9c3fffcc61a0c102ccf6a7924e2de709092ad;p=builder.git

diff --git a/plugins/gnu/gnulinker.cpp b/plugins/gnu/gnulinker.cpp
new file mode 100644
index 0000000..710c44b
--- /dev/null
+++ b/plugins/gnu/gnulinker.cpp
@@ -0,0 +1,325 @@
+#include <stdexcept>
+#include <vector>
+#include <msp/builder/builder.h>
+#include <msp/builder/component.h>
+#include <msp/builder/executable.h>
+#include <msp/builder/exportdefinitions.h>
+#include <msp/builder/importlibrary.h>
+#include <msp/builder/installedfile.h>
+#include <msp/builder/objectfile.h>
+#include <msp/builder/sharedlibrary.h>
+#include <msp/builder/sourcepackage.h>
+#include <msp/builder/staticlibrary.h>
+#include <msp/core/algorithm.h>
+#include <msp/fs/dir.h>
+#include <msp/fs/utils.h>
+#include <msp/strings/format.h>
+#include <msp/strings/utils.h>
+#include "gnucompiler.h"
+#include "gnulinker.h"
+
+using namespace std;
+using namespace Msp;
+
+GnuLinker::GnuLinker(Builder &b, const Architecture &a):
+	Tool(b, &a, "LINK")
+{
+	input_suffixes.push_back(".o");
+	input_suffixes.push_back(".a");
+
+	processing_unit = COMPONENT;
+
+	set_command("gcc", true);
+	set_run_external(_run);
+}
+
+Target *GnuLinker::create_target(const vector<Target *> &sources, const string &arg)
+{
+	if(sources.empty())
+		throw invalid_argument("GnuLinker::create_target");
+	vector<ObjectFile *> objs;
+	objs.reserve(sources.size());
+	for(Target *s: sources)
+		objs.push_back(&dynamic_cast<ObjectFile &>(*s));
+
+	const Component &comp = *objs.front()->get_component();
+	Binary *bin = 0;
+	if(arg=="shared")
+	{
+		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);
+	return bin;
+}
+
+Target *GnuLinker::create_install(Target &target) const
+{
+	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
+		{
+			string link_name = architecture->create_filename<SharedLibrary>(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 GnuLinker::create_build_signature(const BuildInfo &binfo) const
+{
+	string result = Tool::create_build_signature(binfo);
+	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::do_prepare(ToolData &tool) const
+{
+	bool path_found = false;
+	const FS::Path &sysroot = tool.build_info.sysroot;
+	const std::string &tool_tag = static_cast<Tool &>(tool).get_tag();
+
+	const FileTarget *exe = static_cast<Tool &>(tool).get_executable();
+	if(exe)
+	{
+		ExternalTask::Arguments argv;
+		argv.push_back(exe->get_path().str());
+		argv.push_back("-v");
+		argv.push_back("-Wl,--verbose");
+		argv.push_back("-nostdlib");
+		if(!sysroot.empty())
+			argv.push_back("--sysroot="+sysroot.str());
+
+		builder.get_logger().log("auxcommands", "Running %s", join(argv.begin(), argv.end()));
+		try
+		{
+			string output = ExternalTask::run_and_capture_output(argv, FS::Path(), true);
+
+			string::size_type lib_path = output.find("LIBRARY_PATH=");
+			if(lib_path!=string::npos)
+			{
+				string::size_type newline = output.find('\n', lib_path);
+				for(const string &p: split(output.substr(lib_path+13, newline-lib_path-13), ':'))
+				{
+					FS::Path path = strip(p);
+					if(!any_equals(tool.system_path, path))
+					{
+						builder.get_logger().log("tools", "Got %s frontend system path: %s", tool_tag, path);
+						tool.system_path.push_back(path);
+					}
+					path_found = 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);
+				if(!any_equals(tool.system_path, path))
+				{
+					builder.get_logger().log("tools", "Got %s implicit system path: %s", tool_tag, path);
+					tool.system_path.push_back(path);
+				}
+				path_found = true;
+
+				start = end+3;
+			}
+		}
+		catch(...)
+		{ }
+	}
+
+	if(!path_found)
+	{
+		builder.get_logger().log("tools", "No %s system path found, using defaults", tool_tag);
+		if(!sysroot.empty())
+			tool.system_path.push_back(sysroot/"usr/lib");
+		else if(architecture->is_native())
+		{
+			tool.system_path.push_back("/lib");
+			tool.system_path.push_back("/usr/lib");
+			if(architecture->match_name("pc-32-linux"))
+			{
+				tool.system_path.push_back("/lib/i386-linux-gnu");
+				tool.system_path.push_back("/usr/lib/i386-linux-gnu");
+			}
+			else if(architecture->match_name("pc-64-linux"))
+			{
+				tool.system_path.push_back("/lib/x86_64-linux-gnu");
+				tool.system_path.push_back("/usr/lib/x86_64-linux-gnu");
+			}
+		}
+		else
+			tool.system_path.push_back(format("/usr/%s/lib", architecture->get_cross_prefix()));
+	}
+}
+
+ExternalTask::Arguments GnuLinker::_run(const Binary &bin, FS::Path &work_dir)
+{
+	const Tool &tool = *bin.get_tool();
+	const Builder &builder = tool.get_builder();
+	const Architecture &arch = *tool.get_architecture();
+
+	ExternalTask::Arguments argv;
+	argv.push_back(tool.get_executable()->get_path().str());
+
+	if(const SharedLibrary *shlib = dynamic_cast<const SharedLibrary *>(&bin))
+	{
+		argv.push_back("-shared");
+		argv.push_back("-fPIC");
+		if(arch.get_system()!="windows" && !shlib->get_soname().empty())
+		{
+			if(arch.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());
+		}
+	}
+
+	BuildInfo binfo;
+	bin.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(const FS::Path &p: binfo.libpath)
+		argv.push_back("-L"+p.str());
+	if(binfo.strip)
+		argv.push_back("-s");
+	if(binfo.threads && arch.get_system()!="windows" && arch.get_system()!="darwin")
+		argv.push_back("-pthread");
+
+	const Architecture &native_arch = builder.get_native_arch();
+	if(arch.is_native() && arch.get_bits()!=native_arch.get_bits())
+		argv.push_back(format("-m%d", arch.get_bits()));
+
+	argv.push_back("-o");
+	argv.push_back(relative(bin.get_path(), work_dir).str());
+
+	for(const string &s: binfo.keep_symbols)
+		argv.push_back("-u"+s);
+
+	bool static_link_ok = (binfo.libmode<=BuildInfo::STATIC);
+
+	bool has_cplusplus = false;
+	for(Target *d: bin.get_dependencies())
+	{
+		FileTarget *file = dynamic_cast<FileTarget *>(d);
+		Target *tgt = d->get_real_target();
+
+		if(ObjectFile *obj = dynamic_cast<ObjectFile *>(tgt))
+		{
+			argv.push_back(relative(obj->get_path(), work_dir).str());
+			if(obj->get_tool()->get_tag()=="CXX")
+				has_cplusplus = true;
+		}
+		else if(StaticLibrary *stlib = dynamic_cast<StaticLibrary *>(tgt))
+			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;
+		}
+	}
+
+	for(const string &l: binfo.libs)
+		if(l.size()>10 && !l.compare(l.size()-10, 10, ".framework"))
+		{
+			argv.push_back("-framework");
+			argv.push_back(l.substr(0, l.size()-10));
+		}
+
+	if(static_link_ok)
+		argv.push_back("-static");
+	else
+	{
+		if(has_cplusplus)
+		{
+			auto i = binfo.libmodes.find("stdc++");
+			if(i!=binfo.libmodes.end() && i->second<=BuildInfo::STATIC)
+				argv.push_back("-static-libstdc++");
+		}
+
+		if(arch.get_system()=="windows")
+			argv.push_back("-Wl,--enable-auto-import");
+	}
+
+	return argv;
+}