Move the official Qt version from qglobal.h to .qmake.conf

It's easier to parse than qglobal.h. The objective is actually to have
macros with parts of the version number, so the major or minor numbers
could be used in other preprocessor macros.

Change-Id: I42e7ef1a481840699a8dffff1404eda1dd5c308d
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>

3 files changed, 24 insertions, 17 deletions

diff --git a/tools/configure/Makefile.mingw b/tools/configure/Makefile.mingw
index f4513c64d6..5bdfc3f32c 100644
--- a/tools/configure/Makefile.mingw
+++ b/tools/configure/Makefile.mingw
@@ -4,7 +4,7 @@ CONFSRC = $(TOOLSRC)/configure
 
 RAW_PCH       = configure_pch.h
 PCH           = $(RAW_PCH).gch/c++
-DEFINES       = -DUNICODE -DQT_NO_DATASTREAM -DQT_NO_CODECS -DQT_NO_TEXTCODEC -DQT_NO_UNICODETABLES -DQT_LITE_COMPONENT -DQT_NO_COMPRESS -DQT_NO_THREAD -DQT_NO_QOBJECT -DQT_NO_GEOM_VARIANT -D_CRT_SECURE_NO_DEPRECATE -DQT_BOOTSTRAPPED -DQT_BUILD_CONFIGURE
+DEFINES       = -DUNICODE -DQT_NO_DATASTREAM -DQT_NO_CODECS -DQT_NO_TEXTCODEC -DQT_NO_UNICODETABLES -DQT_LITE_COMPONENT -DQT_NO_COMPRESS -DQT_NO_THREAD -DQT_NO_QOBJECT -DQT_NO_GEOM_VARIANT -D_CRT_SECURE_NO_DEPRECATE -DQT_BOOTSTRAPPED -DQT_BUILD_CONFIGURE -DQT_VERSION_STR=\"$(QTVERSION)\" -DQT_VERSION_MAJOR=$(QT_VERSION_MAJOR) -DQT_VERSION_MINOR=$(QT_VERSION_MINOR) -DQT_VERSION_PATCH=$(QT_VERSION_PATCH)
 INCPATH       = -I"../../include" -I"../../include/QtCore" -I"../../include/QtCore/$(QTVERSION)" -I"../../include/QtCore/$(QTVERSION)/QtCore" -I"$(TOOLSRC)/shared" -I"$(QTSRC)mkspecs/win32-g++"
 CXXFLAGS_BARE = -fno-rtti -fno-exceptions -mthreads -Wall -Wextra $(DEFINES) $(INCPATH)
 CXXFLAGS      = -include $(RAW_PCH) $(CXXFLAGS_BARE)
diff --git a/tools/configure/Makefile.win32 b/tools/configure/Makefile.win32
index da5b430bb1..d3a28e73ab 100644
--- a/tools/configure/Makefile.win32
+++ b/tools/configure/Makefile.win32
@@ -3,7 +3,7 @@ TOOLSRC = $(QTSRC)tools
 CONFSRC = $(TOOLSRC)\configure
 
 PCH           = configure_pch.pch
-DEFINES       = -DUNICODE -DQT_NO_CODECS -DQT_NO_TEXTCODEC -DQT_NO_UNICODETABLES -DQT_LITE_COMPONENT -DQT_NO_COMPRESS -DQT_NO_THREAD -DQT_NO_QOBJECT -DQT_NO_GEOM_VARIANT -D_CRT_SECURE_NO_DEPRECATE -DQT_BOOTSTRAPPED -DQT_BUILD_CONFIGURE
+DEFINES       = -DUNICODE -DQT_NO_CODECS -DQT_NO_TEXTCODEC -DQT_NO_UNICODETABLES -DQT_LITE_COMPONENT -DQT_NO_COMPRESS -DQT_NO_THREAD -DQT_NO_QOBJECT -DQT_NO_GEOM_VARIANT -D_CRT_SECURE_NO_DEPRECATE -DQT_BOOTSTRAPPED -DQT_BUILD_CONFIGURE -DQT_VERSION_STR=\"$(QTVERSION)\" -DQT_VERSION_MAJOR=$(QT_VERSION_MAJOR) -DQT_VERSION_MINOR=$(QT_VERSION_MINOR) -DQT_VERSION_PATCH=$(QT_VERSION_PATCH)
 INCPATH       = -I"..\..\include" -I"..\..\include\QtCore" -I"..\..\include\QtCore\$(QTVERSION)" -I"..\..\include\QtCore\$(QTVERSION)\QtCore" -I"$(TOOLSRC)\shared" -I"$(QTSRC)mkspecs\win32-msvc2008"
 CXXFLAGS_BARE = -nologo -Zc:wchar_t -W3 -GR -EHsc -w34100 -w34189 $(CFLAGS_CRT) $(EXTRA_CXXFLAGS) $(DEFINES) $(INCPATH)
 CXXFLAGS      = -FIconfigure_pch.h -Yuconfigure_pch.h -Fp$(PCH) -MP $(CXXFLAGS_BARE)
diff --git a/tools/configure/configureapp.cpp b/tools/configure/configureapp.cpp
index d4ea0f6d04..62af1970fe 100644
--- a/tools/configure/configureapp.cpp
+++ b/tools/configure/configureapp.cpp
@@ -198,20 +198,18 @@ Configure::Configure(int& argc, char** argv) : verbose(0)
     dictionary[ "QT_INSTALL_SETTINGS" ] = "/etc/xdg";
 
     QString version;
-    QFile qglobal_h(sourcePath + "/src/corelib/global/qglobal.h");
-    if (qglobal_h.open(QFile::ReadOnly)) {
-        QTextStream read(&qglobal_h);
-        QRegExp version_regexp("^# *define *QT_VERSION_STR *\"([^\"]*)\"");
-        QString line;
-        while (!read.atEnd()) {
-            line = read.readLine();
-            if (version_regexp.exactMatch(line)) {
-                version = version_regexp.cap(1).trimmed();
-                if (!version.isEmpty())
-                    break;
-            }
+    QFile qmake_conf(sourcePath + "/.qmake.conf");
+    if (qmake_conf.open(QFile::ReadOnly)) {
+        while (!qmake_conf.atEnd()) {
+            static const char beginning[] = "MODULE_VERSION = ";
+            QByteArray line = qmake_conf.readLine();
+            if (!line.startsWith(beginning))
+                continue;
+
+            version = qMove(line).mid(int(strlen(beginning))).trimmed();
+            break;
         }
-        qglobal_h.close();
+        qmake_conf.close();
     }
 
     if (version.isEmpty())
@@ -3632,6 +3630,12 @@ void Configure::generateConfigfiles()
     {
         FileWriter tmpStream(buildPath + "/src/corelib/global/qconfig.h");
 
+        tmpStream << "#define QT_VERSION_MAJOR    " << dictionary["VERSION_MAJOR"] << endl
+                  << "#define QT_VERSION_MINOR    " << dictionary["VERSION_MINOR"] << endl
+                  << "#define QT_VERSION_PATCH    " << dictionary["VERSION_PATCH"] << endl
+                  << "#define QT_VERSION_STR      \"" << dictionary["VERSION"] << "\"\n"
+                  << endl;
+
         if (dictionary[ "QCONFIG" ] == "full") {
             tmpStream << "/* Everything */" << endl;
         } else {
@@ -4031,7 +4035,7 @@ void Configure::generateHeaders()
             QStringList args;
             args << "perl" << "-w";
             args += sourcePath + "/bin/syncqt.pl";
-            args << "-minimal" << "-module" << "QtCore";
+            args << "-version" << dictionary["VERSION"] << "-minimal" << "-module" << "QtCore";
             args += sourcePath;
             int retc = Environment::execute(args, QStringList(), QStringList());
             if (retc) {
@@ -4294,7 +4298,10 @@ void Configure::buildQmake()
                     << "INC_PATH = " << QDir::toNativeSeparators(
                            (QFile::exists(sourcePath + "/.git") ? ".." : sourcePath)
                            + "/include") << endl;
-                stream << "QT_VERSION = " << dictionary["VERSION"] << endl;
+                stream << "QT_VERSION = " << dictionary["VERSION"] << endl
+                       << "QT_MAJOR_VERSION = " << dictionary["VERSION_MAJOR"] << endl
+                       << "QT_MINOR_VERSION = " << dictionary["VERSION_MINOR"] << endl
+                       << "QT_PATCH_VERSION = " << dictionary["VERSION_PATCH"] << endl;
                 if (dictionary[ "QMAKESPEC" ] == QString("win32-g++")) {
                     stream << "QMAKESPEC = $(SOURCE_PATH)\\mkspecs\\win32-g++" << endl
                            << "EXTRA_CFLAGS = -DUNICODE -ffunction-sections" << endl