unixmake.cpp

qtmake 文件的代码

                }
            }
        }
        if(!ar_sublibs.isEmpty()) {
            project->variables()["QMAKE_AR_SUBLIBS"] = ar_sublibs;
            project->variables()["QMAKE_INTERNAL_PRL_LIBS"] << "QMAKE_AR_SUBLIBS";
        }
    }

    if(project->isActiveConfig("compile_libtool")) {
        const QString libtoolify[] = { "QMAKE_RUN_CC", "QMAKE_RUN_CC_IMP",
                                       "QMAKE_RUN_CXX", "QMAKE_RUN_CXX_IMP",
                                       "QMAKE_LINK_THREAD", "QMAKE_LINK", "QMAKE_AR_CMD", "QMAKE_LINK_SHLIB_CMD",
                                       QString() };
        for(int i = 0; !libtoolify[i].isNull(); i++) {
            QStringList &l = project->variables()[libtoolify[i]];
            if(!l.isEmpty()) {
                QString libtool_flags, comp_flags;
                if(libtoolify[i].startsWith("QMAKE_LINK") || libtoolify[i] == "QMAKE_AR_CMD") {
                    libtool_flags += " --mode=link";
                    if(project->isActiveConfig("staticlib")) {
                        libtool_flags += " -static";
                    } else {
                        if(!project->isEmpty("QMAKE_LIB_FLAG")) {
                            int maj = project->first("VER_MAJ").toInt();
                            int min = project->first("VER_MIN").toInt();
                            int pat = project->first("VER_PAT").toInt();
                            comp_flags += " -version-info " + QString::number(10*maj + min) +
                                          ":" + QString::number(pat) + ":0";
                            if(libtoolify[i] != "QMAKE_AR_CMD") {
                                QString rpath = Option::output_dir;
                                if(!project->isEmpty("DESTDIR")) {
                                    rpath = project->first("DESTDIR");
                                    if(QDir::isRelativePath(rpath))
                                        rpath.prepend(Option::output_dir + Option::dir_sep);
                                }
                                comp_flags += " -rpath " + Option::fixPathToTargetOS(rpath, false);
                            }
                        }
                    }
                    if(project->isActiveConfig("plugin"))
                        libtool_flags += " -module";
                } else {
                    libtool_flags += " --mode=compile";
                }
                l.first().prepend("$(LIBTOOL)" + libtool_flags + " ");
                if(!comp_flags.isEmpty())
                    l.first() += comp_flags;
            }
        }
    }
}

void
UnixMakefileGenerator::processPrlVariable(const QString &var, const QStringList &l)
{
    if(var == "QMAKE_PRL_LIBS") {
        project->variables()["QMAKE_CURRENT_PRL_LIBS"] += l;
    } else
        MakefileGenerator::processPrlVariable(var, l);
}

QStringList
&UnixMakefileGenerator::findDependencies(const QString &file)
{
    QStringList &ret = MakefileGenerator::findDependencies(file);
    // Note: The QMAKE_IMAGE_COLLECTION file have all images
    // as dependency, so don't add precompiled header then
    if(doPrecompiledHeaders() && !project->isEmpty("PRECOMPILED_HEADER")
       && file != project->first("QMAKE_IMAGE_COLLECTION")) {
        QString header_prefix;
        if(!project->isEmpty("OBJECTS_DIR"))
            header_prefix = project->first("OBJECTS_DIR");
        header_prefix += project->first("QMAKE_ORIG_TARGET") + ".gch" + Option::dir_sep;
        header_prefix += project->first("QMAKE_PRECOMP_PREFIX");
        if(file.endsWith(".c")) {
            QString precomp_h = header_prefix + "c";
            if(!ret.contains(precomp_h))
                ret += precomp_h;
        } else {
            for(QStringList::Iterator it = Option::cpp_ext.begin(); it != Option::cpp_ext.end(); ++it) {
                if(file.endsWith(*it)) {
                    QString precomp_h = header_prefix + "c++";
                    if(!ret.contains(precomp_h))
                        ret += precomp_h;
                    break;
                }
            }
        }
    }
    return ret;
}

bool
UnixMakefileGenerator::findLibraries()
{
    QList<QMakeLocalFileName> libdirs, frameworkdirs;
    frameworkdirs.append(QMakeLocalFileName("/System/Library/Frameworks"));
    frameworkdirs.append(QMakeLocalFileName("/Library/Frameworks"));
    const QString lflags[] = { "QMAKE_LIBDIR_FLAGS", "QMAKE_FRAMEWORKDIR_FLAGS", "QMAKE_LFLAGS", "QMAKE_LIBS", QString() };
    for(int i = 0; !lflags[i].isNull(); i++) {
        QStringList &l = project->variables()[lflags[i]];
        for(QStringList::Iterator it = l.begin(); it != l.end(); ++it) {
            bool do_suffix = true;
            QString stub, dir, extn, opt = (*it).trimmed();
            if(opt.startsWith("-")) {
                if(opt.startsWith("-L")) {
                    libdirs.append(QMakeLocalFileName(opt.right(opt.length()-2)));
                } else if(opt.startsWith("-l")) {
                    stub = opt.mid(2);
                } else if(Option::target_mode == Option::TARG_MACX_MODE && opt.startsWith("-F")) {
                    frameworkdirs.append(QMakeLocalFileName(opt.right(opt.length()-2)));
                } else if(Option::target_mode == Option::TARG_MACX_MODE && opt.startsWith("-framework")) {
                    if(opt.length() > 11) {
                        opt = opt.mid(11);
                    } else {
                        ++it;
                        opt = (*it);
                    }
                    do_suffix = false;
                    extn = "";
                    dir = "/System/Library/Frameworks/" + opt + ".framework/";
                    stub = opt;
                }
            } else {
                extn = dir = "";
                stub = opt;
                int slsh = opt.lastIndexOf(Option::dir_sep);
                if(slsh != -1) {
                    dir = opt.left(slsh);
                    stub = opt.mid(slsh+1);
                }
                QRegExp stub_reg("^.*lib(" + stub + "[^./=]*)\\.(.*)$");
                if(stub_reg.exactMatch(stub)) {
                    stub = stub_reg.cap(1);
                    extn = stub_reg.cap(2);
                }
            }
            if(!stub.isEmpty()) {
                if(do_suffix && !project->isEmpty("QMAKE_" + stub.toUpper() + "_SUFFIX"))
                    stub += project->first("QMAKE_" + stub.toUpper() + "_SUFFIX");
                bool found = false;
                QStringList extens;
                if(!extn.isNull())
                    extens << extn;
                else
                    extens << project->variables()["QMAKE_EXTENSION_SHLIB"].first() << "a";
                for(QStringList::Iterator extit = extens.begin(); extit != extens.end(); ++extit) {
                    if(dir.isNull()) {
                        QString lib_stub;
                        for(QList<QMakeLocalFileName>::Iterator dep_it = libdirs.begin(); dep_it != libdirs.end(); ++dep_it) {
                            if(exists((*dep_it).local() + Option::dir_sep + "lib" + stub +
                                             "." + (*extit))) {
                                lib_stub = stub;
                                break;
                            }
                        }
                        if(!lib_stub.isNull()) {
                            (*it) = "-l" + lib_stub;
                            found = true;
                            break;
                        }
                    } else {
                        if(exists("lib" + stub + "." + (*extit))) {
                            (*it) = "lib" + stub + "." + (*extit);
                            found = true;
                            break;
                        }
                    }
                }
                if(!found && project->isActiveConfig("compile_libtool")) {
                    for(QList<QMakeLocalFileName>::Iterator dep_it = libdirs.begin(); dep_it != libdirs.end(); ++dep_it) {
                        if(exists((*dep_it).local() + Option::dir_sep + "lib" + stub + Option::libtool_ext)) {
                            (*it) = (*dep_it).real() + Option::dir_sep + "lib" + stub + Option::libtool_ext;
                            found = true;
                            break;
                        }
                    }
                }
            }
        }
    }
    return false;
}

QString linkLib(const QString &file, const QString &libName) {
  QString ret;
  QRegExp reg("^.*lib(" + QRegExp::escape(libName) + "[^./=]*).*$");
  if(reg.exactMatch(file))
    ret = "-l" + reg.cap(1);
  return ret;
}

void
UnixMakefileGenerator::processPrlFiles()
{
    QList<QMakeLocalFileName> libdirs, frameworkdirs;
    frameworkdirs.append(QMakeLocalFileName("/System/Library/Frameworks"));
    frameworkdirs.append(QMakeLocalFileName("/Library/Frameworks"));
    const QString lflags[] = { "QMAKE_LIBDIR_FLAGS", "QMAKE_FRAMEWORKDIR_FLAGS", "QMAKE_LFLAGS", "QMAKE_LIBS", QString() };
    for(int i = 0; !lflags[i].isNull(); i++) {
            QStringList &l = project->variables()[lflags[i]];
        for(int lit = 0; lit < l.size(); ++lit) {
            QString opt = l.at(lit).trimmed();
                if(opt.startsWith("-")) {
                    if(opt.startsWith("-L")) {
                        libdirs.append(QMakeLocalFileName(opt.right(opt.length()-2)));
                } else if(opt.startsWith("-l")) {
                        QString lib = opt.right(opt.length() - 2);
                        for(QList<QMakeLocalFileName>::Iterator dep_it = libdirs.begin(); dep_it != libdirs.end(); ++dep_it) {
                            if(!project->isActiveConfig("compile_libtool")) { //give them the .libs..
                                QString la = (*dep_it).local() + Option::dir_sep + "lib" + lib + Option::libtool_ext;
                                if(exists(la) && QFile::exists((*dep_it).local() + Option::dir_sep + ".libs")) {
                                    QString dot_libs = (*dep_it).real() + Option::dir_sep + ".libs";
                                l.append("-L" + dot_libs);
                                    libdirs.append(QMakeLocalFileName(dot_libs));
                                }
                            }

                            QString prl = (*dep_it).local() + Option::dir_sep + "lib" + lib;
                            if(!project->isEmpty("QMAKE_" + lib.toUpper() + "_SUFFIX"))
                                prl += project->first("QMAKE_" + lib.toUpper() + "_SUFFIX");
                            if(processPrlFile(prl)) {
                                if(prl.startsWith((*dep_it).local()))
                                    prl.replace(0, (*dep_it).local().length(), (*dep_it).real());
                                opt = linkLib(prl, lib);
                                break;
                            }
                        }
                    } else if(Option::target_mode == Option::TARG_MACX_MODE && opt.startsWith("-F")) {
                        frameworkdirs.append(QMakeLocalFileName(opt.right(opt.length()-2)));