Add support for the INTEGRITY RTOS build system

Adds mkspecs and a qmake generator for Green Hills .gpj files

Merge-request: 1101
Reviewed-by: Harald Fernengel <harald.fernengel@nokia.com>

6 files changed, 533 insertions, 14 deletions

diff --git a/qmake/Makefile.unix b/qmake/Makefile.unix
index a24076e..fd502e0 100644
--- a/qmake/Makefile.unix
+++ b/qmake/Makefile.unix
@@ -11,7 +11,7 @@ OBJS=project.o property.o main.o makefile.o unixmake2.o unixmake.o  \
      meta.o makefiledeps.o metamakefile.o xmloutput.o pbuilder_pbx.o \
      borland_bmake.o msvc_vcproj.o msvc_vcxproj.o msvc_nmake.o msvc_objectmodel.o msbuild_objectmodel.o \
      symmake.o initprojectdeploy_symbian.o symmake_abld.o symmake_sbsv2.o \
-     symbiancommon.o registry.o epocroot.o
+     symbiancommon.o registry.o epocroot.o gbuild.o
 
 #qt code
 QOBJS=qtextcodec.o qutfcodec.o qstring.o qtextstream.o qiodevice.o qmalloc.o qglobal.o \
@@ -38,6 +38,7 @@ DEPEND_SRC=project.cpp property.cpp meta.cpp main.cpp generators/makefile.cpp ge
 	   $(SOURCE_PATH)/tools/shared/symbian/epocroot.cpp \
 	   generators/symbian/symmake_abld.cpp generators/symbian/symmake_sbsv2.cpp \
            generaters/symbian/symbiancommon.cpp \
+	   generators/integrity/gbuild.cpp \
 	   $(SOURCE_PATH)/src/corelib/codecs/qtextcodec.cpp $(SOURCE_PATH)/src/corelib/codecs/qutfcodec.cpp \
 	   $(SOURCE_PATH)/src/corelib/tools/qstring.cpp $(SOURCE_PATH)/src/corelib/io/qfile.cpp \
 	   $(SOURCE_PATH)/src/corelib/io/qtextstream.cpp $(SOURCE_PATH)/src/corelib/io/qiodevice.cpp \
@@ -68,7 +69,8 @@ DEPEND_SRC=project.cpp property.cpp meta.cpp main.cpp generators/makefile.cpp ge
 	   $(SOURCE_PATH)/src/corelib/kernel/qsystemerror.cpp \
 	   $(QTSRCS)
 
-CPPFLAGS = -I. -Igenerators -Igenerators/unix -Igenerators/win32 -Igenerators/mac -Igenerators/symbian \
+CPPFLAGS = -g -I. -Igenerators -Igenerators/unix -Igenerators/win32 \
+           -Igenerators/mac -Igenerators/symbian -Igenerators/integrity \
 	   -I$(BUILD_PATH)/include -I$(BUILD_PATH)/include/QtCore \
 	   -I$(BUILD_PATH)/src/corelib/global -I$(BUILD_PATH)/src/corelib/xml \
 	   -I$(SOURCE_PATH)/tools/shared \
@@ -318,6 +320,9 @@ registry.o: $(SOURCE_PATH)/tools/shared/windows/registry.cpp
 epocroot.o: $(SOURCE_PATH)/tools/shared/symbian/epocroot.cpp
 	$(CXX) -c -o $@ $(CXXFLAGS) $(SOURCE_PATH)/tools/shared/symbian/epocroot.cpp
 
+gbuild.o: generators/integrity/gbuild.cpp
+	$(CXX) -c -o $@ $(CXXFLAGS) generators/integrity/gbuild.cpp
+
 projectgenerator.o: generators/projectgenerator.cpp
 	$(CXX) -c -o $@ $(CXXFLAGS) generators/projectgenerator.cpp
 
diff --git a/qmake/generators/integrity/gbuild.cpp b/qmake/generators/integrity/gbuild.cpp
new file mode 100644
index 0000000..f235a6a
--- /dev/null
+++ b/qmake/generators/integrity/gbuild.cpp
@@ -0,0 +1,437 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the qmake application of the Qt Toolkit.
+**
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file.  Please review the following information
+** to ensure GNU General Public Licensing requirements will be met:
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
+** exception, Nokia gives you certain additional rights. These rights
+** are described in the Nokia Qt GPL Exception version 1.3, included in
+** the file GPL_EXCEPTION.txt in this package.
+**
+** Qt for Windows(R) Licensees
+** As a special exception, Nokia, as the sole copyright holder for Qt
+** Designer, grants users of the Qt/Eclipse Integration plug-in the
+** right for the Qt/Eclipse Integration to link to functionality
+** provided by Qt Designer and its related libraries.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+**
+****************************************************************************/
+
+#include "gbuild.h"
+#include "option.h"
+#include "meta.h"
+#include <qdir.h>
+#include <qregexp.h>
+#include <qcryptographichash.h>
+#include <qdebug.h>
+#include <stdlib.h>
+#include <time.h>
+#ifdef Q_OS_UNIX
+#  include <sys/types.h>
+#  include <sys/stat.h>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+unsigned int dllbase = 0x01000000;
+#define DLLOFFSET 0x600000
+
+GBuildMakefileGenerator::GBuildMakefileGenerator() : MakefileGenerator()
+{
+    nativebins << "moc" << "rcc" << "uic" << "bootstrap";
+}
+
+bool
+GBuildMakefileGenerator::write()
+{
+    QStringList tmp;
+    QString filename(Option::output.fileName());
+    QString pathtoremove(qmake_getpwd());
+    QString relpath(pathtoremove);
+    QString strtarget(project->first("TARGET"));
+    bool isnativebin = nativebins.contains(strtarget);
+    relpath.replace(Option::output_dir, "");
+
+    /* correct output for non-prl, non-recursive case */
+    QString outname(qmake_getpwd());
+    outname += QDir::separator();
+    outname += fileInfo(Option::output.fileName()).baseName();
+    outname += projectSuffix();
+    Option::output.close();
+    Option::output.setFileName(outname);
+    MakefileGenerator::openOutput(Option::output, QString());
+
+    if (strtarget != fileInfo(project->projectFile()).baseName()) {
+        QString gpjname(strtarget);
+        QString outputName(qmake_getpwd());
+        outputName += QDir::separator();
+        outputName += fileInfo(project->projectFile()).baseName();
+        outputName += projectSuffix();
+        QFile f(outputName);
+        f.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate);
+        QTextStream t(&f);
+        t << "#!gbuild\n";
+        t << "[Project]\n";
+        t << gpjname << projectSuffix() << "\n";
+        if ((project->first("TEMPLATE") == "lib")
+                && project->isActiveConfig("shared"))
+            t << gpjname << "_shared" << projectSuffix() << "\n";
+        t.flush();
+        gpjname += projectSuffix();
+        Option::output.close();
+        Option::output.setFileName(gpjname);
+        MakefileGenerator::openOutput(Option::output, QString());
+    }
+
+    if ((project->first("TEMPLATE") == "app")
+            && (!isnativebin)) {
+        QTextStream t(&Option::output);
+        QString intname(strtarget);
+        intname += ".int";
+        /* this is for bulding an INTEGRITY application.
+         * generate the .int integrate file and the .gpj INTEGRITY Application
+         * project file, then go on with regular files */
+        t << "#!gbuild" << "\n";
+        t << "[INTEGRITY Application]" << "\n";
+        t << "\t:binDirRelative=.\n";
+        t << "\t-o " << strtarget << "\n";
+        t << intname << "\n";
+        t << strtarget << "_app" << projectSuffix() << "\n";
+        t.flush();
+
+        /* generate integrate file */
+        QFile f(intname);
+        f.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate);
+        QTextStream ti(&f);
+        ti << "# This is a file automatically generated by qmake" << "\n";
+        ti << "# Modifications will be lost next time you run qmake" << "\n";
+        ti << "Kernel" << "\n";
+        ti << "\tFilename\tDynamicDownload" << "\n";
+        ti << "EndKernel" << "\n" << "\n";
+        ti << "AddressSpace" << "\n";
+        ti << "\tName\t" << strtarget << "\n";
+        ti << "\tFilename\t" << strtarget << "_app" << "\n";
+        ti << "\tMemoryPoolSize\t0x100000" << "\n";
+        ti << "\tLanguage\tC++" << "\n";
+        /* FIXME : heap size is huge to be big enough for every example
+         * it should probably be tailored for each example, btu there is no
+         * good way to guess that */
+        ti << "\tHeapSize\t0x00D00000" << "\n";
+        ti << "\tTask\tInitial" << "\n";
+        ti << "\t\tStackSize\t0x30000" << "\n";
+        ti << "\tEndTask" << "\n";
+        ti << "EndAddressSpace" << "\n";
+        ti.flush();
+
+        /* change current project file to <projectname>_app.gpj and continue
+         * generation */
+        filename.insert(filename.lastIndexOf("."), "_app");
+        Option::output.close();
+        Option::output.setFileName(filename);
+        MakefileGenerator::openOutput(Option::output, QString());
+    } else if ((project->first("TEMPLATE") == "lib")
+            && project->isActiveConfig("shared")) {
+        QString gpjname(strtarget);
+        gpjname += "_shared";
+        gpjname += projectSuffix();
+        QFile f(gpjname);
+        f.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate);
+        QTextStream t(&f);
+        t << "#!gbuild\n"
+            "[Program]\n"
+            "\t-A libINTEGRITY.so\n"
+            "\t-A libc.so\n"
+            "\t-A libscxx.so\n"
+            "\t-A libQtCore.so\n"
+            "\t-e __ghsbegin_text\n"
+            "\t-startfile=-\n"
+            "\t:syslibraries=-\n"
+            "\t-Onolink\n";
+        t << "\t-o lib" << strtarget << ".so\n";
+        t << "\t-l" << strtarget << "\n";
+        t << "\t-extractall=-l" << strtarget << "\n";
+        t << "\t:outputDir=work/" << filename.section(QDir::separator(), 0, -1).remove(".gpj") << "\n";
+        t << strtarget << "_shared.ld\n";
+        t << "$(__OS_DIR)/intlib/sharedobjbssinit.c\n";
+        t.flush();
+
+        QFile fl(strtarget + "_shared.ld");
+        fl.open(QIODevice::WriteOnly | QIODevice::Text | QIODevice::Truncate);
+        QTextStream tl(&fl);
+        tl << "CONSTANTS {\n"
+             "    __INTEGRITY_MinPageAlign          = 16K\n"
+             "    __INTEGRITY_MaxPageAlign          = 16K\n"
+             "    __INTEGRITY_LibCBaseAddress       = \n";
+        tl << dllbase << "\n";
+        tl << "}\n"
+             "-sec\n"
+             "{\n"
+             "  .picbase __INTEGRITY_LibCBaseAddress :\n"
+             "        .text :\n"
+             "  .syscall :\n"
+             "        .intercall :\n"
+             "        .interfunc :\n"
+             "  .secinfo :\n"
+             "  .rodata align(16) :\n"
+             "  .fixaddr :\n"
+             "  .fixtype :\n"
+             "        .rombeg :\n"
+             "        .textchecksum :\n"
+             "        // The above sections may be large. Leave a bigger gap for large pages.\n"
+             "  .pidbase align(__INTEGRITY_MaxPageAlign) :\n"
+             "        .sdabase :\n"
+             "        .data :\n"
+             "        .toc :\n"
+             "        .opd :\n"
+             "        .datachecksum :\n"
+             "  .bss align(__INTEGRITY_MinPageAlign) :\n"
+             "        .heap :\n"
+             "}\n";
+        tl.flush();
+        dllbase += DLLOFFSET;
+    }
+
+    warn_msg(WarnParser, Option::output.fileName().toAscii());
+    QTextStream t(&Option::output);
+    QString primaryTarget(project->values("QMAKE_CXX").at(0));
+
+    pathtoremove += QDir::separator();
+    filename.remove(qmake_getpwd());
+
+    //HEADER
+    t << "#!gbuild" << "\n";
+
+    /* find the architecture out of the compiler name */
+    if (filename.endsWith("projects.gpj")) {
+        primaryTarget.remove(0, 5);
+        t << "macro QT_BUILD_DIR=%expand_path(.)\n";
+        t << "macro __OS_DIR=" << project->values("INTEGRITY_DIR").first() << "\n";
+        t << "primaryTarget=" << primaryTarget << "_integrity.tgt" << "\n";
+        t << "customization=util/integrity/qt.bod\n";
+    }
+    /* project type */
+    if (project->first("TEMPLATE") == "app") {
+        t << "[Program]" << "\n";
+        if (isnativebin) {
+            t << "\t:binDir=bin\n";
+            t << "\t-o " << strtarget << "\n";
+        } else {
+            t << "\t:binDirRelative=.\n";
+            t << "\t-o " << strtarget << "_app\n";
+        }
+    } else if (project->first("TEMPLATE") == "lib") {
+        t << "[Library]" << "\n";
+        t << "\t:binDir=lib" << "\n";
+        t << "\t-o lib" << strtarget << ".a" << "\n";
+    } else if (project->first("TEMPLATE") == "subdirs")
+        t << "[Project]" << "\n";
+    else
+        t << project->first("TEMPLATE") << "\n";
+
+    /* compilations options */
+    t << "\t:sourceDir=." << "\n";
+
+    t << "\t:outputDir=work" << relpath << "\n";
+    if (filename.endsWith("projects.gpj")) {
+        t << "\t:sourceDir=work\n";
+        t << "\t-Iwork\n";
+        t << "\t-Llib\n";
+        t << "\t";
+        QStringList &l = project->values("QMAKE_CXXFLAGS");
+        for (QStringList::Iterator it = l.begin(); it != l.end(); ++it) {
+            if ((*it).startsWith("-"))
+                t << "\n" << "\t" << (*it);
+            else
+                t << " " << (*it);
+        }
+        t << "\n";
+    }
+    t << "\n";
+
+    t << varGlue("DEFINES", "\t-D", "\n\t-D", "\n");
+
+    t << "\t-I.\n\t-I" << specdir() << "\n";
+    t << varGlue("INCLUDEPATH", "\t-I", "\n\t-I", "\n");
+    t << "\t--cxx_include_directory .\n\t--cxx_include_directory " << specdir() << "\n";
+    t << varGlue("INCLUDEPATH", "\t--cxx_include_directory ", "\n\t--cxx_include_directory ", "\n");
+
+    if (project->first("TEMPLATE") == "app") {
+        /* include linker flags if it's an application */
+        QString src[] = { "QMAKE_LFLAGS", "QMAKE_FRAMEWORKPATH_FLAGS", "QMAKE_LIBDIR_FLAGS", "QMAKE_LIBS", "LIBS", QString() };
+        for (int i = 0; !src[i].isNull(); i++) {
+            /* skip target libraries for native tools */
+            if (isnativebin && (i == 0))
+                continue;
+            t << "\t";
+            QStringList &l = project->values(src[i]);
+            for (QStringList::Iterator it = l.begin(); it != l.end(); ++it) {
+                if ((*it).startsWith("-"))
+                    t << "\n" << "\t" << (*it);
+                else
+                    t << " " << (*it);
+            }
+            t << "\n";
+        }
+    }
+
+    /* first subdirectories/subprojects */
+    {
+        QStringList &l = project->values("SUBDIRS");
+        for (QStringList::Iterator it = l.begin(); it != l.end(); ++it) {
+            QString gpjname((*it));
+            /* avoid native tools */
+            if (nativebins.contains(gpjname.section("_", -1)))
+                continue;
+            if (!project->first((*it) + ".subdir").isEmpty())
+                gpjname = project->first((*it) + ".subdir");
+            else
+                gpjname.replace("_", QDir::separator());
+            gpjname += QDir::separator() + gpjname.section(QDir::separator(), -1);
+            gpjname += projectSuffix();
+            /* make relative */
+            if (!project->values("QT_SOURCE_TREE").isEmpty()) {
+                gpjname.replace(project->values("QT_SOURCE_TREE").first() + QDir::separator(), "");
+            }
+            t << gpjname << "\n";
+        }
+    }
+
+    {
+        QStringList &l = project->values("RESOURCES");
+        for (QStringList::Iterator it = l.begin(); it != l.end(); ++it) {
+            QString tmpstr((*it).replace(pathtoremove, ""));
+            t << tmpstr << "\t[Qt Resource]\n";
+            tmpstr = tmpstr.section(".", -2, -1).section(QDir::separator(), -1);
+            tmpstr.remove(".qrc");
+            t << "\t-name " << tmpstr << "\n";
+            tmpstr.insert(tmpstr.lastIndexOf(QDir::separator()) + 1, "qrc_");
+            tmpstr.append(".cpp");
+            t << "\t-o work/" << tmpstr << "\n";
+        }
+    }
+    {
+        QStringList &l = project->values("FORMS");
+        for (QStringList::Iterator it = l.begin(); it != l.end(); ++it) {
+            QString tmpstr((*it).replace(pathtoremove, ""));
+            t << tmpstr << "\t[Qt Dialog]\n";
+            tmpstr = tmpstr.section(".", 0, 0).section(QDir::separator(), -1);
+            tmpstr.insert(tmpstr.lastIndexOf(QDir::separator()) + 1, "ui_");
+            tmpstr.remove(".ui");
+            tmpstr.append(".h");
+            t << "\t-o work/" << tmpstr << "\n";
+        }
+    }
+
+    /* source files for this project */
+    QString src[] = { "HEADERS", "SOURCES", QString() };
+    for (int i = 0; !src[i].isNull(); i++) {
+        QStringList &l = project->values(src[i]);
+        for (QStringList::Iterator it = l.begin(); it != l.end(); ++it) {
+            if ((*it).isEmpty())
+                continue;
+            /* native tools aren't preprocessed */
+            if (!isnativebin)
+                t << writeOne((*it), pathtoremove);
+            else
+                t << (*it).remove(pathtoremove) << "\n";
+        }
+    }
+    t << "\n";
+
+    {
+        QStringList &l = project->values("GENERATED_SOURCES");
+        for (QStringList::Iterator it = l.begin(); it != l.end(); ++it) {
+            t << "work/" << (*it).section(QDir::separator(), -1) << "\n";
+        }
+    }
+
+    return true;
+}
+
+QString GBuildMakefileGenerator::writeOne(QString filename, QString pathtoremove)
+{
+    QString s("");
+    s += filename.remove(pathtoremove);
+    if (filename.endsWith(Option::h_ext.first())) {
+        QString corename(filename.section(QDir::separator(), -1));
+        corename.remove(Option::h_ext.first());
+        corename.append(Option::cpp_ext.first());
+        corename.prepend(Option::h_moc_mod);
+        s += "\t[MOC/Qt Header]\n";
+        s += "\t-o ";
+        s += "work/";
+        s += corename;
+        s += "\n";
+    } else if (filename.section(QDir::separator(), -1).startsWith("qrc_")) {
+        QString tmpstr(filename.section("/", -1).section(".", 0, -1).remove("qrc_").remove(".cpp"));
+        s += "\n\t:depends=";
+        s += tmpstr;
+        s += ".qrc";
+        s += "\n";
+    } else if (filename.endsWith(Option::cpp_ext.first())) {
+        QString tmpstr(filename.section("/", -1));
+//        QString moctool(project->values("QMAKE_MOC").first());
+        QString filepath(pathtoremove);
+        if (!project->values("QT_SOURCE_TREE").isEmpty()) {
+            filepath.remove(project->values("QT_SOURCE_TREE").first());
+            filepath.remove(0, 1);
+        }
+//        if (!project->values("QT_BUILD_TREE").isEmpty()) {
+//            moctool.remove(project->values("QT_BUILD_TREE").first());
+//            moctool.remove(0, 1);
+//        }
+        s += "\n\t:preexecShellSafe='${QT_BUILD_DIR}/bin/moc ";
+//        s += moctool;
+//        s += " ";
+        s += varGlue("DEFINES", "-D", " -D", " ");
+        s += varGlue("INCLUDEPATH", "-I", " -I", " ");
+        s += filepath;
+        s += filename;
+        s += " -o ";
+        tmpstr.replace(Option::cpp_ext.first(), Option::cpp_moc_ext);
+        s += "work/";
+        s += tmpstr;
+        s += "\n";
+    } else
+        s += "\n";
+    return s;
+}
+
+bool
+GBuildMakefileGenerator::openOutput(QFile &file, const QString &build) const
+{
+    debug_msg(1, "file is %s", file.fileName().toLatin1().constData());
+    QFileInfo fi(file);
+    if (fi.filePath().isEmpty())
+        file.setFileName(qmake_getpwd() + QDir::separator() + file.fileName());
+    if (!file.fileName().endsWith(projectSuffix())) {
+        QString outputName(file.fileName());
+        outputName += QDir::separator();
+        outputName += fileInfo(project->projectFile()).baseName();
+        outputName += projectSuffix();
+        warn_msg(WarnParser, outputName.toAscii());
+        file.setFileName(outputName);
+    }
+    debug_msg(1, "file is %s", file.fileName().toLatin1().constData());
+    bool ret = MakefileGenerator::openOutput(file, QString());
+    return ret;
+}
+
+QT_END_NAMESPACE
diff --git a/qmake/generators/integrity/gbuild.h b/qmake/generators/integrity/gbuild.h
new file mode 100644
index 0000000..3049789
--- /dev/null
+++ b/qmake/generators/integrity/gbuild.h
@@ -0,0 +1,69 @@
+/****************************************************************************
+**
+** Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (qt-info@nokia.com)
+**
+** This file is part of the qmake application of the Qt Toolkit.
+**
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License versions 2.0 or 3.0 as published by the Free
+** Software Foundation and appearing in the file LICENSE.GPL included in
+** the packaging of this file.  Please review the following information
+** to ensure GNU General Public Licensing requirements will be met:
+** http://www.fsf.org/licensing/licenses/info/GPLv2.html and
+** http://www.gnu.org/copyleft/gpl.html.  In addition, as a special
+** exception, Nokia gives you certain additional rights. These rights
+** are described in the Nokia Qt GPL Exception version 1.3, included in
+** the file GPL_EXCEPTION.txt in this package.
+**
+** Qt for Windows(R) Licensees
+** As a special exception, Nokia, as the sole copyright holder for Qt
+** Designer, grants users of the Qt/Eclipse Integration plug-in the
+** right for the Qt/Eclipse Integration to link to functionality
+** provided by Qt Designer and its related libraries.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+**
+****************************************************************************/
+
+#ifndef GBUILD_H
+#define GBUILD_H
+
+#include "makefile.h"
+
+QT_BEGIN_NAMESPACE
+
+class GBuildMakefileGenerator : public MakefileGenerator
+{
+    virtual bool write();
+
+    QString projectSuffix() const { return QString(".gpj"); };
+    QString writeOne(QString filename, QString pathtoremove = "");
+
+public:
+    GBuildMakefileGenerator();
+    ~GBuildMakefileGenerator();
+
+    virtual bool supportsMetaBuild() { return false; }
+    virtual bool openOutput(QFile &, const QString &) const;
+protected:
+    bool doPrecompiledHeaders() const { return false; }
+    virtual bool doDepends() const { return true; }
+    QStringList nativebins;
+
+};
+
+inline GBuildMakefileGenerator::~GBuildMakefileGenerator()
+{ }
+
+QT_END_NAMESPACE
+
+#endif // GBUILD_H
diff --git a/qmake/generators/metamakefile.cpp b/qmake/generators/metamakefile.cpp
index ae48ddd..a3fba6a 100644
--- a/qmake/generators/metamakefile.cpp
+++ b/qmake/generators/metamakefile.cpp
@@ -138,12 +138,12 @@ BuildsMetaMakefileGenerator::init()
         Build *build = new Build;
         build->name = name;
         build->makefile = createMakefileGenerator(project, false);
-	if (build->makefile){
+        if (build->makefile){
             makefiles += build;
-	}else {
-	    delete build;
-	    return false;
-	}
+        }else {
+            delete build;
+            return false;
+        }
     }
     return true;
 }
@@ -179,7 +179,7 @@ BuildsMetaMakefileGenerator::write(const QString &oldpwd)
                     using_stdout = true;
                 } else {
                     if(Option::output.fileName().isEmpty() &&
-		       Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE)
+                       Option::qmake_mode == Option::QMAKE_GENERATE_MAKEFILE)
                         Option::output.setFileName(project->first("QMAKE_MAKEFILE"));
                     Option::output_dir = oldpwd;
                     QString build_name = build->name;
@@ -306,7 +306,7 @@ SubdirsMetaMakefileGenerator::init()
                        && project->isRecursive());
     if(recurse) {
         QString old_output_dir = Option::output_dir;
-	QString old_output = Option::output.fileName();
+        QString old_output = Option::output.fileName();
         QString oldpwd = qmake_getpwd();
         QString thispwd = oldpwd;
         if(!thispwd.endsWith('/'))
@@ -387,7 +387,7 @@ SubdirsMetaMakefileGenerator::init()
     self->input_dir = qmake_getpwd();
     self->output_dir = Option::output_dir;
     if(!recurse || (!Option::output.fileName().endsWith(Option::dir_sep) && !QFileInfo(Option::output).isDir()))
-	self->output_file = Option::output.fileName();
+        self->output_file = Option::output.fileName();
     self->makefile = new BuildsMetaMakefileGenerator(project, name, false);
     self->makefile->init();
     subs.append(self);
@@ -420,10 +420,10 @@ SubdirsMetaMakefileGenerator::write(const QString &oldpwd)
             writepwd = oldpwd;
         if(!(ret = subs.at(i)->makefile->write(writepwd)))
             break;
-	//restore because I'm paranoid
+        //restore because I'm paranoid
         qmake_setpwd(pwd);
-	Option::output.setFileName(output_name);
-	Option::output_dir = output_dir;
+        Option::output.setFileName(output_name);
+        Option::output_dir = output_dir;
     }
     return ret;
 }
@@ -448,6 +448,7 @@ QT_BEGIN_INCLUDE_NAMESPACE
 #include "symmake_abld.h"
 #include "symmake_sbsv2.h"
 #include "symbian_makefile.h"
+#include "gbuild.h"
 QT_END_INCLUDE_NAMESPACE
 
 MakefileGenerator *
@@ -491,6 +492,8 @@ MetaMakefileGenerator::createMakefileGenerator(QMakeProject *proj, bool noIO)
         mkfile = new SymbianMakefileTemplate<UnixMakefileGenerator>;
     } else if(gen == "SYMBIAN_MINGW") {
         mkfile = new SymbianMakefileTemplate<MingwMakefileGenerator>;
+    } else if(gen == "GBUILD") {
+        mkfile = new GBuildMakefileGenerator;
     } else {
         fprintf(stderr, "Unknown generator specified: %s\n", gen.toLatin1().constData());
     }
@@ -556,6 +559,9 @@ MetaMakefileGenerator::modesForGenerator(const QString &gen,
         *host_mode = Option::HOST_WIN_MODE;
 #endif
         *target_mode = Option::TARG_SYMBIAN_MODE;
+    } else if (gen == "GBUILD") {
+        *host_mode = Option::HOST_UNIX_MODE;
+        *target_mode = Option::TARG_INTEGRITY_MODE;
     } else {
         fprintf(stderr, "Unknown generator specified: %s\n", gen.toLatin1().constData());
         return false;
diff --git a/qmake/option.cpp b/qmake/option.cpp
index fcbf5fa..1354281 100644
--- a/qmake/option.cpp
+++ b/qmake/option.cpp
@@ -260,6 +260,8 @@ Option::parseCommandLine(int argc, char **argv, int skip)
                 Option::host_mode = HOST_WIN_MODE;
                 Option::target_mode = TARG_WIN_MODE;
                 Option::target_mode_overridden = true;
+            } else if(opt == "integrity") {
+                Option::target_mode = TARG_INTEGRITY_MODE;
             } else if(opt == "d") {
                 Option::debug_level++;
             } else if(opt == "version" || opt == "v" || opt == "-version") {
diff --git a/qmake/option.h b/qmake/option.h
index 23be12f..e3ddc9a 100644
--- a/qmake/option.h
+++ b/qmake/option.h
@@ -156,7 +156,7 @@ struct Option
     enum HOST_MODE { HOST_UNKNOWN_MODE, HOST_UNIX_MODE, HOST_WIN_MODE, HOST_MACX_MODE };
     static HOST_MODE host_mode;
     enum TARG_MODE { TARG_UNKNOWN_MODE, TARG_UNIX_MODE, TARG_WIN_MODE, TARG_MACX_MODE,
-                     TARG_SYMBIAN_MODE };
+                     TARG_SYMBIAN_MODE, TARG_INTEGRITY_MODE };
     static TARG_MODE target_mode;
     static bool target_mode_overridden;
     static QString user_template, user_template_prefix;