Merge branch '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1 into 4.7-integration

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-1:
  Consolidate zlib configuration redundancy
  Fixed whitespace formatting
  Fix incomplete support for built-in jpeg, mng, tiff and gif handlers
  Split image handler plugin project files
  No explicit link to zlib/jpeg for system mng/tiff
  Removed stray line continuations
  Long live else!
  qdoc: Added a solution for creating tables of contents for manuals.
  Doc: Fixed markup.
  Fixed size hint for combo box on windows

35 files changed, 410 insertions, 368 deletions

diff --git a/src/3rdparty/libjpeg.pri b/src/3rdparty/libjpeg.pri
new file mode 100644
index 0000000..4551d7b
--- /dev/null
+++ b/src/3rdparty/libjpeg.pri
@@ -0,0 +1,48 @@
+INCLUDEPATH += $$PWD/libjpeg
+SOURCES += \
+    $$PWD/libjpeg/jaricom.c \
+    $$PWD/libjpeg/jcapimin.c \
+    $$PWD/libjpeg/jcapistd.c \
+    $$PWD/libjpeg/jcarith.c \
+    $$PWD/libjpeg/jccoefct.c \
+    $$PWD/libjpeg/jccolor.c \
+    $$PWD/libjpeg/jcdctmgr.c \
+    $$PWD/libjpeg/jchuff.c \
+    $$PWD/libjpeg/jcinit.c \
+    $$PWD/libjpeg/jcmainct.c \
+    $$PWD/libjpeg/jcmarker.c \
+    $$PWD/libjpeg/jcmaster.c \
+    $$PWD/libjpeg/jcomapi.c \
+    $$PWD/libjpeg/jcparam.c \
+    $$PWD/libjpeg/jcprepct.c \
+    $$PWD/libjpeg/jcsample.c \
+    $$PWD/libjpeg/jctrans.c \
+    $$PWD/libjpeg/jdapimin.c \
+    $$PWD/libjpeg/jdapistd.c \
+    $$PWD/libjpeg/jdarith.c \
+    $$PWD/libjpeg/jdatadst.c \
+    $$PWD/libjpeg/jdatasrc.c \
+    $$PWD/libjpeg/jdcoefct.c \
+    $$PWD/libjpeg/jdcolor.c \
+    $$PWD/libjpeg/jddctmgr.c \
+    $$PWD/libjpeg/jdhuff.c \
+    $$PWD/libjpeg/jdinput.c \
+    $$PWD/libjpeg/jdmainct.c \
+    $$PWD/libjpeg/jdmarker.c \
+    $$PWD/libjpeg/jdmaster.c \
+    $$PWD/libjpeg/jdmerge.c \
+    $$PWD/libjpeg/jdpostct.c \
+    $$PWD/libjpeg/jdsample.c \
+    $$PWD/libjpeg/jdtrans.c \
+    $$PWD/libjpeg/jerror.c \
+    $$PWD/libjpeg/jfdctflt.c \
+    $$PWD/libjpeg/jfdctfst.c \
+    $$PWD/libjpeg/jfdctint.c \
+    $$PWD/libjpeg/jidctflt.c \
+    $$PWD/libjpeg/jidctfst.c \
+    $$PWD/libjpeg/jidctint.c \
+    $$PWD/libjpeg/jquant1.c \
+    $$PWD/libjpeg/jquant2.c \
+    $$PWD/libjpeg/jutils.c \
+    $$PWD/libjpeg/jmemmgr.c \
+    $$PWD/libjpeg/jmemnobs.c
diff --git a/src/3rdparty/libmng.pri b/src/3rdparty/libmng.pri
new file mode 100644
index 0000000..7b68210
--- /dev/null
+++ b/src/3rdparty/libmng.pri
@@ -0,0 +1,25 @@
+DEFINES += MNG_BUILD_SO
+DEFINES += MNG_NO_INCLUDE_JNG
+INCLUDEPATH += $$PWD/libmng
+SOURCES += \
+    $$PWD/libmng/libmng_callback_xs.c \
+    $$PWD/libmng/libmng_chunk_io.c \
+    $$PWD/libmng/libmng_chunk_descr.c \
+    $$PWD/libmng/libmng_chunk_prc.c \
+    $$PWD/libmng/libmng_chunk_xs.c \
+    $$PWD/libmng/libmng_cms.c \
+    $$PWD/libmng/libmng_display.c \
+    $$PWD/libmng/libmng_dither.c \
+    $$PWD/libmng/libmng_error.c \
+    $$PWD/libmng/libmng_filter.c \
+    $$PWD/libmng/libmng_hlapi.c \
+    $$PWD/libmng/libmng_jpeg.c \
+    $$PWD/libmng/libmng_object_prc.c \
+    $$PWD/libmng/libmng_pixels.c \
+    $$PWD/libmng/libmng_prop_xs.c \
+    $$PWD/libmng/libmng_read.c \
+    $$PWD/libmng/libmng_trace.c \
+    $$PWD/libmng/libmng_write.c \
+    $$PWD/libmng/libmng_zlib.c
+
+include($$PWD/zlib_dependency.pri)
diff --git a/src/3rdparty/libpng.pri b/src/3rdparty/libpng.pri
new file mode 100644
index 0000000..7ac1910
--- /dev/null
+++ b/src/3rdparty/libpng.pri
@@ -0,0 +1,20 @@
+DEFINES *= QT_USE_BUNDLED_LIBPNG
+!isEqual(QT_ARCH, i386):!isEqual(QT_ARCH, x86_64):DEFINES += PNG_NO_ASSEMBLER_CODE
+INCLUDEPATH += $$PWD/libpng
+SOURCES += $$PWD/libpng/png.c \
+  $$PWD/libpng/pngerror.c \
+  $$PWD/libpng/pngget.c \
+  $$PWD/libpng/pngmem.c \
+  $$PWD/libpng/pngpread.c \
+  $$PWD/libpng/pngread.c \
+  $$PWD/libpng/pngrio.c \
+  $$PWD/libpng/pngrtran.c \
+  $$PWD/libpng/pngrutil.c \
+  $$PWD/libpng/pngset.c \
+  $$PWD/libpng/pngtrans.c \
+  $$PWD/libpng/pngwio.c \
+  $$PWD/libpng/pngwrite.c \
+  $$PWD/libpng/pngwtran.c \
+  $$PWD/libpng/pngwutil.c
+
+include($$PWD/zlib_dependency.pri)
diff --git a/src/3rdparty/libtiff.pri b/src/3rdparty/libtiff.pri
new file mode 100644
index 0000000..5a522be
--- /dev/null
+++ b/src/3rdparty/libtiff.pri
@@ -0,0 +1,43 @@
+INCLUDEPATH += $$PWD/libtiff/libtiff
+SOURCES += \
+    $$PWD/libtiff/libtiff/tif_aux.c \
+    $$PWD/libtiff/libtiff/tif_close.c \
+    $$PWD/libtiff/libtiff/tif_codec.c \
+    $$PWD/libtiff/libtiff/tif_color.c \
+    $$PWD/libtiff/libtiff/tif_compress.c \
+    $$PWD/libtiff/libtiff/tif_dir.c \
+    $$PWD/libtiff/libtiff/tif_dirinfo.c \
+    $$PWD/libtiff/libtiff/tif_dirread.c \
+    $$PWD/libtiff/libtiff/tif_dirwrite.c \
+    $$PWD/libtiff/libtiff/tif_dumpmode.c \
+    $$PWD/libtiff/libtiff/tif_error.c \
+    $$PWD/libtiff/libtiff/tif_extension.c \
+    $$PWD/libtiff/libtiff/tif_fax3.c \
+    $$PWD/libtiff/libtiff/tif_fax3sm.c \
+    $$PWD/libtiff/libtiff/tif_flush.c \
+    $$PWD/libtiff/libtiff/tif_getimage.c \
+    $$PWD/libtiff/libtiff/tif_luv.c \
+    $$PWD/libtiff/libtiff/tif_lzw.c \
+    $$PWD/libtiff/libtiff/tif_next.c \
+    $$PWD/libtiff/libtiff/tif_open.c \
+    $$PWD/libtiff/libtiff/tif_packbits.c \
+    $$PWD/libtiff/libtiff/tif_pixarlog.c \
+    $$PWD/libtiff/libtiff/tif_predict.c \
+    $$PWD/libtiff/libtiff/tif_print.c \
+    $$PWD/libtiff/libtiff/tif_read.c \
+    $$PWD/libtiff/libtiff/tif_strip.c \
+    $$PWD/libtiff/libtiff/tif_swab.c \
+    $$PWD/libtiff/libtiff/tif_thunder.c \
+    $$PWD/libtiff/libtiff/tif_tile.c \
+    $$PWD/libtiff/libtiff/tif_version.c \
+    $$PWD/libtiff/libtiff/tif_warning.c \
+    $$PWD/libtiff/libtiff/tif_write.c \
+    $$PWD/libtiff/libtiff/tif_zip.c
+
+wince*:       SOURCES += $$PWD/../corelib/kernel/qfunctions_wince.cpp \
+                         $$PWD/libtiff/libtiff/tif_wince.c
+win32:        SOURCES += $$PWD/libtiff/libtiff/tif_win32.c
+else:unix:    SOURCES += $$PWD/libtiff/libtiff/tif_unix.c
+else:symbian: SOURCES += $$PWD/libtiff/port/lfind.c
+
+include($$PWD/zlib_dependency.pri)
diff --git a/src/3rdparty/zlib.pri b/src/3rdparty/zlib.pri
new file mode 100644
index 0000000..bae3221
--- /dev/null
+++ b/src/3rdparty/zlib.pri
@@ -0,0 +1,14 @@
+wince*: DEFINES += NO_ERRNO_H
+INCLUDEPATH += $$PWD/zlib
+SOURCES+= \
+    $$PWD/zlib/adler32.c \
+    $$PWD/zlib/compress.c \
+    $$PWD/zlib/crc32.c \
+    $$PWD/zlib/deflate.c \
+    $$PWD/zlib/gzio.c \
+    $$PWD/zlib/inffast.c \
+    $$PWD/zlib/inflate.c \
+    $$PWD/zlib/inftrees.c \
+    $$PWD/zlib/trees.c \
+    $$PWD/zlib/uncompr.c \
+    $$PWD/zlib/zutil.c
diff --git a/src/3rdparty/zlib_dependency.pri b/src/3rdparty/zlib_dependency.pri
new file mode 100644
index 0000000..042eb13
--- /dev/null
+++ b/src/3rdparty/zlib_dependency.pri
@@ -0,0 +1,8 @@
+# zlib dependency satisfied by bundled 3rd party zlib or system zlib
+contains(QT_CONFIG, system-zlib) {
+    symbian:                 LIBS_PRIVATE += -llibz
+    else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
+    else:                    LIBS += zdll.lib
+} else {
+    INCLUDEPATH +=  $$PWD/zlib
+}
diff --git a/src/corelib/tools/tools.pri b/src/corelib/tools/tools.pri
index e579dd5..d81ab04 100644
--- a/src/corelib/tools/tools.pri
+++ b/src/corelib/tools/tools.pri
@@ -89,27 +89,8 @@ else:unix:SOURCES += tools/qelapsedtimer_unix.cpp
 else:win32:SOURCES += tools/qelapsedtimer_win.cpp
 else:SOURCES += tools/qelapsedtimer_generic.cpp
 
-#zlib support
-contains(QT_CONFIG, zlib) {
-   wince*: DEFINES += NO_ERRNO_H
-   INCLUDEPATH += ../3rdparty/zlib
-   SOURCES+= \
-        ../3rdparty/zlib/adler32.c \
-        ../3rdparty/zlib/compress.c \
-        ../3rdparty/zlib/crc32.c \
-        ../3rdparty/zlib/deflate.c \
-        ../3rdparty/zlib/gzio.c \
-        ../3rdparty/zlib/inffast.c \
-        ../3rdparty/zlib/inflate.c \
-        ../3rdparty/zlib/inftrees.c \
-        ../3rdparty/zlib/trees.c \
-        ../3rdparty/zlib/uncompr.c \
-        ../3rdparty/zlib/zutil.c
-} else:!contains(QT_CONFIG, no-zlib) {
-    symbian:LIBS_PRIVATE += -llibz
-    else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
-    else:LIBS += zdll.lib
-}
+contains(QT_CONFIG, zlib):include($$PWD/../../3rdparty/zlib.pri)
+else:include($$PWD/../../3rdparty/zlib_dependency.pri)
 
 DEFINES += HB_EXPORT=Q_CORE_EXPORT
 INCLUDEPATH += ../3rdparty/harfbuzz/src
diff --git a/src/gui/image/image.pri b/src/gui/image/image.pri
index f5f1bc0..9f0c87e 100644
--- a/src/gui/image/image.pri
+++ b/src/gui/image/image.pri
@@ -28,8 +28,7 @@ HEADERS += \
         image/qpixmapdata_p.h \
         image/qpixmapdatafactory_p.h \
         image/qpixmapfilter_p.h \
-        image/qimagepixmapcleanuphooks_p.h \
-
+        image/qimagepixmapcleanuphooks_p.h
 
 SOURCES += \
         image/qbitmap.cpp \
@@ -52,24 +51,23 @@ SOURCES += \
         image/qmovie.cpp \
         image/qpixmap_raster.cpp \
         image/qnativeimage.cpp \
-        image/qimagepixmapcleanuphooks.cpp \
-
+        image/qimagepixmapcleanuphooks.cpp
 
 win32 {
     SOURCES += image/qpixmap_win.cpp
 }
-embedded {
+else:embedded {
     SOURCES += image/qpixmap_qws.cpp
 }
-x11 {
+else:x11 {
     HEADERS += image/qpixmap_x11_p.h
     SOURCES += image/qpixmap_x11.cpp
 }
-mac {
+else:mac {
     HEADERS += image/qpixmap_mac_p.h
     SOURCES += image/qpixmap_mac.cpp
 }
-symbian {
+else:symbian {
     HEADERS += image/qpixmap_s60_p.h
     SOURCES += image/qpixmap_s60.cpp
 }
@@ -87,42 +85,10 @@ SOURCES += \
         image/qxbmhandler.cpp \
         image/qxpmhandler.cpp
 
-# 3rd party / system PNG support
-!contains(QT_CONFIG, no-png) {
-    HEADERS += image/qpnghandler_p.h
-    SOURCES += image/qpnghandler.cpp
+!contains(QT_CONFIG, no-png):include($$PWD/qpnghandler.pri)
+else:DEFINES *= QT_NO_IMAGEFORMAT_PNG
 
-    contains(QT_CONFIG, system-png) {
-        unix|win32-g++*:LIBS_PRIVATE  += -lpng
-        win32:!win32-g++*:LIBS += libpng.lib
-    } else {
-        DEFINES *= QT_USE_BUNDLED_LIBPNG
-        !isEqual(QT_ARCH, i386):!isEqual(QT_ARCH, x86_64):DEFINES += PNG_NO_ASSEMBLER_CODE
-        INCLUDEPATH += ../3rdparty/libpng
-        SOURCES += ../3rdparty/libpng/png.c \
-          ../3rdparty/libpng/pngerror.c \
-          ../3rdparty/libpng/pngget.c \
-          ../3rdparty/libpng/pngmem.c \
-          ../3rdparty/libpng/pngpread.c \
-          ../3rdparty/libpng/pngread.c \
-          ../3rdparty/libpng/pngrio.c \
-          ../3rdparty/libpng/pngrtran.c \
-          ../3rdparty/libpng/pngrutil.c \
-          ../3rdparty/libpng/pngset.c \
-          ../3rdparty/libpng/pngtrans.c \
-          ../3rdparty/libpng/pngwio.c \
-          ../3rdparty/libpng/pngwrite.c \
-          ../3rdparty/libpng/pngwtran.c \
-          ../3rdparty/libpng/pngwutil.c
-
-        contains(QT_CONFIG, system-zlib) {
-            symbian:LIBS_PRIVATE += -llibz
-            else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
-            else:LIBS += zdll.lib
-        } else {
-            INCLUDEPATH  += ../3rdparty/zlib
-        }
-    }
-} else {
-    DEFINES *= QT_NO_IMAGEFORMAT_PNG
-}
+contains(QT_CONFIG, jpeg):include($$PWD/qjpeghandler.pri)
+contains(QT_CONFIG, mng):include($$PWD/qmnghandler.pri)
+contains(QT_CONFIG, tiff):include($$PWD/qtiffhandler.pri)
+contains(QT_CONFIG, gif):include($$PWD/qgifhandler.pri)
diff --git a/src/plugins/imageformats/gif/qgifhandler.cpp b/src/gui/image/qgifhandler.cpp
index 129a11b..129a11b 100644
--- a/src/plugins/imageformats/gif/qgifhandler.cpp
+++ b/src/gui/image/qgifhandler.cpp
diff --git a/src/plugins/imageformats/gif/qgifhandler.h b/src/gui/image/qgifhandler.h
index 8e07aff..8e07aff 100644
--- a/src/plugins/imageformats/gif/qgifhandler.h
+++ b/src/gui/image/qgifhandler.h
diff --git a/src/gui/image/qgifhandler.pri b/src/gui/image/qgifhandler.pri
new file mode 100644
index 0000000..003476a
--- /dev/null
+++ b/src/gui/image/qgifhandler.pri
@@ -0,0 +1,4 @@
+# common to plugin and built-in forms
+INCLUDEPATH *= $$PWD
+HEADERS += $$PWD/qgifhandler.h
+SOURCES += $$PWD/qgifhandler.cpp
diff --git a/src/gui/image/qimagereader.cpp b/src/gui/image/qimagereader.cpp
index af43e90..55c9341 100644
--- a/src/gui/image/qimagereader.cpp
+++ b/src/gui/image/qimagereader.cpp
@@ -141,6 +141,18 @@
 #ifndef QT_NO_IMAGEFORMAT_PNG
 #include <private/qpnghandler_p.h>
 #endif
+#ifndef QT_NO_IMAGEFORMAT_JPEG
+#include <qjpeghandler.h>
+#endif
+#ifndef QT_NO_IMAGEFORMAT_MNG
+#include <qmnghandler.h>
+#endif
+#ifndef QT_NO_IMAGEFORMAT_TIFF
+#include <qtiffhandler.h>
+#endif
+#ifdef QT_BUILTIN_GIF_READER
+#include <qgifhandler.h>
+#endif
 
 QT_BEGIN_NAMESPACE
 
@@ -153,6 +165,18 @@ enum _qt_BuiltInFormatType {
 #ifndef QT_NO_IMAGEFORMAT_PNG
     _qt_PngFormat,
 #endif
+#ifndef QT_NO_IMAGEFORMAT_JPEG
+    _qt_JpgFormat,
+#endif
+#ifndef QT_NO_IMAGEFORMAT_MNG
+    _qt_MngFormat,
+#endif
+#ifndef QT_NO_IMAGEFORMAT_TIFF
+    _qt_TifFormat,
+#endif
+#ifdef QT_BUILTIN_GIF_READER
+    _qt_GifFormat,
+#endif
     _qt_BmpFormat,
 #ifndef QT_NO_IMAGEFORMAT_PPM
     _qt_PpmFormat,
@@ -179,6 +203,18 @@ static const _qt_BuiltInFormatStruct _qt_BuiltInFormats[] = {
 #ifndef QT_NO_IMAGEFORMAT_PNG
     {_qt_PngFormat, "png"},
 #endif
+#ifndef QT_NO_IMAGEFORMAT_JPEG
+    {_qt_JpgFormat, "jpg"},
+#endif
+#ifndef QT_NO_IMAGEFORMAT_MNG
+    {_qt_MngFormat, "mng"},
+#endif
+#ifndef QT_NO_IMAGEFORMAT_TIFF
+    {_qt_TifFormat, "tif"},
+#endif
+#ifdef QT_BUILTIN_GIF_READER
+    {_qt_GifFormat, "gif"},
+#endif
     {_qt_BmpFormat, "bmp"},
 #ifndef QT_NO_IMAGEFORMAT_PPM
     {_qt_PpmFormat, "ppm"},
@@ -304,6 +340,22 @@ static QImageIOHandler *createReadHandlerHelper(QIODevice *device,
         } else if (testFormat == "png") {
             handler = new QPngHandler;
 #endif
+#ifndef QT_NO_IMAGEFORMAT_JPEG
+        } else if (testFormat == "jpg" || testFormat == "jpeg") {
+            handler = new QJpegHandler;
+#endif
+#ifndef QT_NO_IMAGEFORMAT_MNG
+        } else if (testFormat == "mng") {
+            handler = new QMngHandler;
+#endif
+#ifndef QT_NO_IMAGEFORMAT_TIFF
+        } else if (testFormat == "tif" || testFormat == "tiff") {
+            handler = new QTiffHandler;
+#endif
+#ifdef QT_BUILTIN_GIF_READER
+        } else if (testFormat == "gif") {
+            handler = new QGifHandler;
+#endif
 #ifndef QT_NO_IMAGEFORMAT_BMP
         } else if (testFormat == "bmp") {
             handler = new QBmpHandler;
@@ -380,6 +432,30 @@ static QImageIOHandler *createReadHandlerHelper(QIODevice *device,
                     handler = new QPngHandler;
                 break;
 #endif
+#ifndef QT_NO_IMAGEFORMAT_JPEG
+            case _qt_JpgFormat:
+                if (QJpegHandler::canRead(device))
+                    handler = new QJpegHandler;
+                break;
+#endif
+#ifndef QT_NO_IMAGEFORMAT_MNG
+            case _qt_MngFormat:
+                if (QMngHandler::canRead(device))
+                    handler = new QMngHandler;
+                break;
+#endif
+#ifndef QT_NO_IMAGEFORMAT_TIFF
+            case _qt_TifFormat:
+                if (QTiffHandler::canRead(device))
+                    handler = new QTiffHandler;
+                break;
+#endif
+#ifdef QT_BUILTIN_GIF_READER
+            case _qt_GifFormat:
+                if (QGifHandler::canRead(device))
+                    handler = new QGifHandler;
+                break;
+#endif
 #ifndef QT_NO_IMAGEFORMAT_BMP
             case _qt_BmpFormat:
                 if (QBmpHandler::canRead(device))
diff --git a/src/gui/image/qimagewriter.cpp b/src/gui/image/qimagewriter.cpp
index 552729f..a46fc48 100644
--- a/src/gui/image/qimagewriter.cpp
+++ b/src/gui/image/qimagewriter.cpp
@@ -114,6 +114,18 @@
 #ifndef QT_NO_IMAGEFORMAT_PNG
 #include <private/qpnghandler_p.h>
 #endif
+#ifndef QT_NO_IMAGEFORMAT_JPEG
+#include <qjpeghandler.h>
+#endif
+#ifndef QT_NO_IMAGEFORMAT_MNG
+#include <qmnghandler.h>
+#endif
+#ifndef QT_NO_IMAGEFORMAT_TIFF
+#include <qtiffhandler.h>
+#endif
+#ifdef QT_BUILTIN_GIF_READER
+#include <qgifhandler.h>
+#endif
 
 QT_BEGIN_NAMESPACE
 
@@ -170,6 +182,22 @@ static QImageIOHandler *createWriteHandlerHelper(QIODevice *device,
         } else if (testFormat == "png") {
             handler = new QPngHandler;
 #endif
+#ifndef QT_NO_IMAGEFORMAT_JPEG
+        } else if (testFormat == "jpg" || testFormat == "jpeg") {
+            handler = new QJpegHandler;
+#endif
+#ifndef QT_NO_IMAGEFORMAT_MNG
+        } else if (testFormat == "mng") {
+            handler = new QMngHandler;
+#endif
+#ifndef QT_NO_IMAGEFORMAT_TIFF
+        } else if (testFormat == "tif" || testFormat == "tiff") {
+            handler = new QTiffHandler;
+#endif
+#ifdef QT_BUILTIN_GIF_READER
+        } else if (testFormat == "gif") {
+            handler = new QGifHandler;
+#endif
 #ifndef QT_NO_IMAGEFORMAT_BMP
         } else if (testFormat == "bmp") {
             handler = new QBmpHandler;
@@ -669,6 +697,18 @@ QList<QByteArray> QImageWriter::supportedImageFormats()
 #ifndef QT_NO_IMAGEFORMAT_PNG
     formats << "png";
 #endif
+#ifndef QT_NO_IMAGEFORMAT_JPEG
+    formats << "jpg" << "jpeg";
+#endif
+#ifndef QT_NO_IMAGEFORMAT_MNG
+    formats << "mng";
+#endif
+#ifndef QT_NO_IMAGEFORMAT_TIFF
+    formats << "tif" << "tiff";
+#endif
+#ifdef QT_BUILTIN_GIF_READER
+    formats << "gif";
+#endif
 
 #ifndef QT_NO_LIBRARY
     QFactoryLoader *l = loader();
diff --git a/src/plugins/imageformats/jpeg/qjpeghandler.cpp b/src/gui/image/qjpeghandler.cpp
index 60e7cce..60e7cce 100644
--- a/src/plugins/imageformats/jpeg/qjpeghandler.cpp
+++ b/src/gui/image/qjpeghandler.cpp
diff --git a/src/plugins/imageformats/jpeg/qjpeghandler.h b/src/gui/image/qjpeghandler.h
index c879f21..c879f21 100644
--- a/src/plugins/imageformats/jpeg/qjpeghandler.h
+++ b/src/gui/image/qjpeghandler.h
diff --git a/src/gui/image/qjpeghandler.pri b/src/gui/image/qjpeghandler.pri
new file mode 100644
index 0000000..28ec7dc
--- /dev/null
+++ b/src/gui/image/qjpeghandler.pri
@@ -0,0 +1,10 @@
+# common to plugin and built-in forms
+INCLUDEPATH *= $$PWD
+HEADERS += $$PWD/qjpeghandler.h
+SOURCES += $$PWD/qjpeghandler.cpp
+contains(QT_CONFIG, system-jpeg) {
+    if(unix|win32-g++*): LIBS += -ljpeg
+    else:win32:          LIBS += libjpeg.lib
+} else {
+    include($$PWD/../../3rdparty/libjpeg.pri)
+}
diff --git a/src/plugins/imageformats/mng/qmnghandler.cpp b/src/gui/image/qmnghandler.cpp
index ec442a1..ec442a1 100644
--- a/src/plugins/imageformats/mng/qmnghandler.cpp
+++ b/src/gui/image/qmnghandler.cpp
diff --git a/src/plugins/imageformats/mng/qmnghandler.h b/src/gui/image/qmnghandler.h
index 65243be..65243be 100644
--- a/src/plugins/imageformats/mng/qmnghandler.h
+++ b/src/gui/image/qmnghandler.h
diff --git a/src/gui/image/qmnghandler.pri b/src/gui/image/qmnghandler.pri
new file mode 100644
index 0000000..ec1c19e
--- /dev/null
+++ b/src/gui/image/qmnghandler.pri
@@ -0,0 +1,10 @@
+# common to plugin and built-in forms
+INCLUDEPATH *= $$PWD
+HEADERS += $$PWD/qmnghandler.h
+SOURCES += $$PWD/qmnghandler.cpp
+contains(QT_CONFIG, system-mng) {
+        if(unix|win32-g++*):LIBS += -lmng
+        else:win32:         LIBS += libmng.lib
+} else {
+    include($$PWD/../../3rdparty/libmng.pri)
+}
diff --git a/src/gui/image/qpnghandler.pri b/src/gui/image/qpnghandler.pri
new file mode 100644
index 0000000..bedf23f
--- /dev/null
+++ b/src/gui/image/qpnghandler.pri
@@ -0,0 +1,10 @@
+INCLUDEPATH *= $$PWD
+HEADERS += $$PWD/qpnghandler_p.h
+SOURCES += $$PWD/qpnghandler.cpp
+contains(QT_CONFIG, system-png) {
+    if(unix|win32-g++*): LIBS_PRIVATE  += -lpng
+    else:win32:          LIBS += libpng.lib
+
+} else {
+    include($$PWD/../../3rdparty/libpng.pri)
+}
diff --git a/src/plugins/imageformats/tiff/qtiffhandler.cpp b/src/gui/image/qtiffhandler.cpp
index 619aa4e..619aa4e 100644
--- a/src/plugins/imageformats/tiff/qtiffhandler.cpp
+++ b/src/gui/image/qtiffhandler.cpp
diff --git a/src/plugins/imageformats/tiff/qtiffhandler.h b/src/gui/image/qtiffhandler.h
index 4534ed5..4534ed5 100644
--- a/src/plugins/imageformats/tiff/qtiffhandler.h
+++ b/src/gui/image/qtiffhandler.h
diff --git a/src/gui/image/qtiffhandler.pri b/src/gui/image/qtiffhandler.pri
new file mode 100644
index 0000000..8ac70d9
--- /dev/null
+++ b/src/gui/image/qtiffhandler.pri
@@ -0,0 +1,10 @@
+# common to plugin and built-in forms
+INCLUDEPATH *= $$PWD
+HEADERS += $$PWD/qtiffhandler.h
+SOURCES += $$PWD/qtiffhandler.cpp
+contains(QT_CONFIG, system-tiff) {
+        if(unix|win32-g++*):LIBS += -ltiff
+        else:win32:         LIBS += libtiff.lib
+} else {
+    include($$PWD/../../3rdparty/libtiff.pri)
+}
diff --git a/src/gui/painting/painting.pri b/src/gui/painting/painting.pri
index a5cfb84..07aabc9 100644
--- a/src/gui/painting/painting.pri
+++ b/src/gui/painting/painting.pri
@@ -402,11 +402,4 @@ neon:*-g++* {
     QMAKE_EXTRA_COMPILERS += neon_compiler
 }
 
-contains(QT_CONFIG, zlib) {
-    INCLUDEPATH += ../3rdparty/zlib
-} else:!contains(QT_CONFIG, no-zlib) {
-    symbian:LIBS_PRIVATE += -llibz
-    else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
-    else:LIBS += zdll.lib
-}
-
+include($$PWD/../../3rdparty/zlib_dependency.pri)
diff --git a/src/gui/styles/qwindowsvistastyle.cpp b/src/gui/styles/qwindowsvistastyle.cpp
index 67a7b85..8511592 100644
--- a/src/gui/styles/qwindowsvistastyle.cpp
+++ b/src/gui/styles/qwindowsvistastyle.cpp
@@ -1926,30 +1926,7 @@ QSize QWindowsVistaStyle::sizeFromContents(ContentsType type, const QStyleOption
         return QWindowsStyle::sizeFromContents(type, option, size, widget);
 
     QSize sz(size);
-
-    QSize newSize = QWindowsXPStyle::sizeFromContents(type, option, size, widget);
     switch (type) {
-    case CT_LineEdit:
-    case CT_ComboBox:
-        {
-            HTHEME theme = pOpenThemeData(0, L"Button");
-            MARGINS borderSize;
-            if (theme) {
-                int result = pGetThemeMargins(theme,
-                                              NULL,
-                                              BP_PUSHBUTTON,
-                                              PBS_NORMAL,
-                                              TMT_CONTENTMARGINS,
-                                              NULL,
-                                              &borderSize);
-                if (result == S_OK) {
-                    sz += QSize(borderSize.cxLeftWidth + borderSize.cxRightWidth - 2,
-                                borderSize.cyBottomHeight + borderSize.cyTopHeight - 2);
-                }
-                sz += QSize(23, 0); //arrow button
-            }
-        }
-        return sz;
     case CT_MenuItem:
         sz = QWindowsXPStyle::sizeFromContents(type, option, size, widget);
         int minimumHeight;
@@ -1990,7 +1967,7 @@ QSize QWindowsVistaStyle::sizeFromContents(ContentsType type, const QStyleOption
     default:
         break;
     }
-    return newSize;
+    return QWindowsXPStyle::sizeFromContents(type, option, size, widget);
 }
 
 /*!
diff --git a/src/gui/styles/qwindowsxpstyle.cpp b/src/gui/styles/qwindowsxpstyle.cpp
index efb1224..8743807 100644
--- a/src/gui/styles/qwindowsxpstyle.cpp
+++ b/src/gui/styles/qwindowsxpstyle.cpp
@@ -3678,7 +3678,9 @@ QSize QWindowsXPStyle::sizeFromContents(ContentsType ct, const QStyleOption *opt
                     sz += QSize(borderSize.cxLeftWidth + borderSize.cxRightWidth - 2,
                                 borderSize.cyBottomHeight + borderSize.cyTopHeight - 2);
                 }
-                sz += QSize(23, 0); //arrow button
+                const int textMargins = 2*(proxy()->pixelMetric(PM_FocusFrameHMargin) + 1);
+                sz += QSize(qMax(pixelMetric(QStyle::PM_ScrollBarExtent, option, widget)
+                                 + textMargins, 23), 0); //arrow button
             }
         }
         break;
diff --git a/src/network/access/access.pri b/src/network/access/access.pri
index 173a087..6a0cd32 100644
--- a/src/network/access/access.pri
+++ b/src/network/access/access.pri
@@ -1,67 +1,62 @@
 # Qt network access module
 
-HEADERS += access/qftp.h \
-           access/qhttp.h \
-           access/qhttpnetworkheader_p.h \
-           access/qhttpnetworkrequest_p.h \
-           access/qhttpnetworkreply_p.h \
-	   access/qhttpnetworkconnection_p.h \
-           access/qhttpnetworkconnectionchannel_p.h \
-           access/qfilenetworkreply_p.h \
-           access/qnetworkaccessmanager.h \
-           access/qnetworkaccessmanager_p.h \
-	   access/qnetworkaccesscache_p.h \
-           access/qnetworkaccessbackend_p.h \
-           access/qnetworkaccessdatabackend_p.h \
-	   access/qnetworkaccessdebugpipebackend_p.h \
-	   access/qnetworkaccesshttpbackend_p.h \
-           access/qnetworkaccessfilebackend_p.h \
-           access/qnetworkaccesscachebackend_p.h \
-	   access/qnetworkaccessftpbackend_p.h \
-	   access/qnetworkcookie.h \
-	   access/qnetworkcookie_p.h \
-           access/qnetworkcookiejar.h \
-           access/qnetworkcookiejar_p.h \
-           access/qnetworkrequest.h \
-           access/qnetworkrequest_p.h \
-           access/qnetworkreply.h \
-           access/qnetworkreply_p.h \
-	   access/qnetworkreplyimpl_p.h \
-           access/qabstractnetworkcache_p.h \
-           access/qabstractnetworkcache.h \
-           access/qnetworkdiskcache_p.h \
-           access/qnetworkdiskcache.h
+HEADERS += \
+    access/qftp.h \
+    access/qhttp.h \
+    access/qhttpnetworkheader_p.h \
+    access/qhttpnetworkrequest_p.h \
+    access/qhttpnetworkreply_p.h \
+    access/qhttpnetworkconnection_p.h \
+    access/qhttpnetworkconnectionchannel_p.h \
+    access/qfilenetworkreply_p.h \
+    access/qnetworkaccessmanager.h \
+    access/qnetworkaccessmanager_p.h \
+    access/qnetworkaccesscache_p.h \
+    access/qnetworkaccessbackend_p.h \
+    access/qnetworkaccessdatabackend_p.h \
+    access/qnetworkaccessdebugpipebackend_p.h \
+    access/qnetworkaccesshttpbackend_p.h \
+    access/qnetworkaccessfilebackend_p.h \
+    access/qnetworkaccesscachebackend_p.h \
+    access/qnetworkaccessftpbackend_p.h \
+    access/qnetworkcookie.h \
+    access/qnetworkcookie_p.h \
+    access/qnetworkcookiejar.h \
+    access/qnetworkcookiejar_p.h \
+    access/qnetworkrequest.h \
+    access/qnetworkrequest_p.h \
+    access/qnetworkreply.h \
+    access/qnetworkreply_p.h \
+    access/qnetworkreplyimpl_p.h \
+    access/qabstractnetworkcache_p.h \
+    access/qabstractnetworkcache.h \
+    access/qnetworkdiskcache_p.h \
+    access/qnetworkdiskcache.h
 
-SOURCES += access/qftp.cpp \
-           access/qhttp.cpp \
-	   access/qhttpnetworkheader.cpp \
-	   access/qhttpnetworkrequest.cpp \
-	   access/qhttpnetworkreply.cpp \
-	   access/qhttpnetworkconnection.cpp \
-           access/qhttpnetworkconnectionchannel.cpp \
-           access/qfilenetworkreply.cpp \
-           access/qnetworkaccessmanager.cpp \
-	   access/qnetworkaccesscache.cpp \
-           access/qnetworkaccessbackend.cpp \
-           access/qnetworkaccessdatabackend.cpp \
-	   access/qnetworkaccessdebugpipebackend.cpp \
-           access/qnetworkaccessfilebackend.cpp \
-           access/qnetworkaccesscachebackend.cpp \
-	   access/qnetworkaccessftpbackend.cpp \
-	   access/qnetworkaccesshttpbackend.cpp \
-	   access/qnetworkcookie.cpp \
-           access/qnetworkcookiejar.cpp \
-           access/qnetworkrequest.cpp \
-           access/qnetworkreply.cpp \
-           access/qnetworkreplyimpl.cpp \
-           access/qabstractnetworkcache.cpp \
-           access/qnetworkdiskcache.cpp
+SOURCES += \
+    access/qftp.cpp \
+    access/qhttp.cpp \
+    access/qhttpnetworkheader.cpp \
+    access/qhttpnetworkrequest.cpp \
+    access/qhttpnetworkreply.cpp \
+    access/qhttpnetworkconnection.cpp \
+    access/qhttpnetworkconnectionchannel.cpp \
+    access/qfilenetworkreply.cpp \
+    access/qnetworkaccessmanager.cpp \
+    access/qnetworkaccesscache.cpp \
+    access/qnetworkaccessbackend.cpp \
+    access/qnetworkaccessdatabackend.cpp \
+    access/qnetworkaccessdebugpipebackend.cpp \
+    access/qnetworkaccessfilebackend.cpp \
+    access/qnetworkaccesscachebackend.cpp \
+    access/qnetworkaccessftpbackend.cpp \
+    access/qnetworkaccesshttpbackend.cpp \
+    access/qnetworkcookie.cpp \
+    access/qnetworkcookiejar.cpp \
+    access/qnetworkrequest.cpp \
+    access/qnetworkreply.cpp \
+    access/qnetworkreplyimpl.cpp \
+    access/qabstractnetworkcache.cpp \
+    access/qnetworkdiskcache.cpp
 
-#zlib support
-contains(QT_CONFIG, zlib) {
-    INCLUDEPATH += ../3rdparty/zlib
-} else:!contains(QT_CONFIG, no-zlib) {
-    symbian:LIBS_PRIVATE += -llibz
-    else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
-    else:LIBS += zdll.lib
-}
+include($$PWD/../../3rdparty/zlib_dependency.pri)
diff --git a/src/plugins/imageformats/gif/gif.pro b/src/plugins/imageformats/gif/gif.pro
index 8a5c51a..439b431 100644
--- a/src/plugins/imageformats/gif/gif.pro
+++ b/src/plugins/imageformats/gif/gif.pro
@@ -1,9 +1,8 @@
 TARGET  = qgif
 include(../../qpluginbase.pri)
 
-HEADERS += qgifhandler.h
-SOURCES += main.cpp \
-           qgifhandler.cpp
+include(../../../gui/image/qgifhandler.pri)
+SOURCES += $$PWD/main.cpp
 
 QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/imageformats
 target.path += $$[QT_INSTALL_PLUGINS]/imageformats
diff --git a/src/plugins/imageformats/imageformats.pro b/src/plugins/imageformats/imageformats.pro
index 2e4036b..5fff2de 100644
--- a/src/plugins/imageformats/imageformats.pro
+++ b/src/plugins/imageformats/imageformats.pro
@@ -1,8 +1,8 @@
 TEMPLATE = subdirs
 
-!contains(QT_CONFIG, no-jpeg):SUBDIRS += jpeg
-!contains(QT_CONFIG, no-gif):SUBDIRS += gif
-!contains(QT_CONFIG, no-mng):SUBDIRS += mng
+!contains(QT_CONFIG, no-jpeg):!contains(QT_CONFIG, jpeg):SUBDIRS += jpeg
+!contains(QT_CONFIG, no-gif):!contains(QT_CONFIG, gif):SUBDIRS += gif
+!contains(QT_CONFIG, no-mng):!contains(QT_CONFIG, mng):SUBDIRS += mng
 contains(QT_CONFIG, svg):SUBDIRS += svg
-!contains(QT_CONFIG, no-tiff):SUBDIRS += tiff
+!contains(QT_CONFIG, no-tiff):!contains(QT_CONFIG, tiff):SUBDIRS += tiff
 !contains(QT_CONFIG, no-ico):SUBDIRS += ico
diff --git a/src/plugins/imageformats/jpeg/jpeg.pro b/src/plugins/imageformats/jpeg/jpeg.pro
index d4b0fef..c5671c3 100644
--- a/src/plugins/imageformats/jpeg/jpeg.pro
+++ b/src/plugins/imageformats/jpeg/jpeg.pro
@@ -3,10 +3,6 @@ include(../../qpluginbase.pri)
 
 QTDIR_build:REQUIRES = "!contains(QT_CONFIG, no-jpeg)"
 
-HEADERS += qjpeghandler.h
-SOURCES += main.cpp \
-           qjpeghandler.cpp
-
 wince*: {
     DEFINES += NO_GETENV
     contains(CE_ARCH,x86):CONFIG -= stl exceptions
@@ -21,61 +17,9 @@ symbian: {
     QMAKE_CFLAGS_WARN_ON += -Wno-unused-parameter -Wno-main
 }
 
-contains(QT_CONFIG, system-jpeg) {
-        unix|win32-g++*:LIBS += -ljpeg
-        win32:!win32-g++*:LIBS += libjpeg.lib
-} else {
-	INCLUDEPATH += ../../../3rdparty/libjpeg
-	SOURCES  += \
-	    ../../../3rdparty/libjpeg/jaricom.c \
-	    ../../../3rdparty/libjpeg/jcapimin.c \
-	    ../../../3rdparty/libjpeg/jcapistd.c \
-	    ../../../3rdparty/libjpeg/jcarith.c \
-	    ../../../3rdparty/libjpeg/jccoefct.c \
-	    ../../../3rdparty/libjpeg/jccolor.c \
-	    ../../../3rdparty/libjpeg/jcdctmgr.c \
-	    ../../../3rdparty/libjpeg/jchuff.c \
-	    ../../../3rdparty/libjpeg/jcinit.c \
-	    ../../../3rdparty/libjpeg/jcmainct.c \
-	    ../../../3rdparty/libjpeg/jcmarker.c \
-	    ../../../3rdparty/libjpeg/jcmaster.c \
-	    ../../../3rdparty/libjpeg/jcomapi.c \
-	    ../../../3rdparty/libjpeg/jcparam.c \
-	    ../../../3rdparty/libjpeg/jcprepct.c \
-	    ../../../3rdparty/libjpeg/jcsample.c \
-	    ../../../3rdparty/libjpeg/jctrans.c \
-	    ../../../3rdparty/libjpeg/jdapimin.c \
-	    ../../../3rdparty/libjpeg/jdapistd.c \
-	    ../../../3rdparty/libjpeg/jdarith.c \
-	    ../../../3rdparty/libjpeg/jdatadst.c \
-	    ../../../3rdparty/libjpeg/jdatasrc.c \
-	    ../../../3rdparty/libjpeg/jdcoefct.c \
-	    ../../../3rdparty/libjpeg/jdcolor.c \
-	    ../../../3rdparty/libjpeg/jddctmgr.c \
-	    ../../../3rdparty/libjpeg/jdhuff.c \
-	    ../../../3rdparty/libjpeg/jdinput.c \
-	    ../../../3rdparty/libjpeg/jdmainct.c \
-	    ../../../3rdparty/libjpeg/jdmarker.c \
-	    ../../../3rdparty/libjpeg/jdmaster.c \
-	    ../../../3rdparty/libjpeg/jdmerge.c \
-	    ../../../3rdparty/libjpeg/jdpostct.c \
-	    ../../../3rdparty/libjpeg/jdsample.c \
-	    ../../../3rdparty/libjpeg/jdtrans.c \
-	    ../../../3rdparty/libjpeg/jerror.c \
-	    ../../../3rdparty/libjpeg/jfdctflt.c \
-	    ../../../3rdparty/libjpeg/jfdctfst.c \
-	    ../../../3rdparty/libjpeg/jfdctint.c \
-	    ../../../3rdparty/libjpeg/jidctflt.c \
-	    ../../../3rdparty/libjpeg/jidctfst.c \
-	    ../../../3rdparty/libjpeg/jidctint.c \
-	    ../../../3rdparty/libjpeg/jquant1.c \
-	    ../../../3rdparty/libjpeg/jquant2.c \
-	    ../../../3rdparty/libjpeg/jutils.c \
-	    ../../../3rdparty/libjpeg/jmemmgr.c \
-	    ../../../3rdparty/libjpeg/jmemnobs.c
-}
+include(../../../gui/image/qjpeghandler.pri)
+SOURCES += main.cpp
 
 QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/imageformats
 target.path += $$[QT_INSTALL_PLUGINS]/imageformats
 INSTALLS += target
-
diff --git a/src/plugins/imageformats/mng/mng.pro b/src/plugins/imageformats/mng/mng.pro
index 158f41a..88085f3 100644
--- a/src/plugins/imageformats/mng/mng.pro
+++ b/src/plugins/imageformats/mng/mng.pro
@@ -3,54 +3,15 @@ include(../../qpluginbase.pri)
 
 QTDIR_build:REQUIRES = "!contains(QT_CONFIG, no-mng)"
 
-HEADERS += qmnghandler.h
-SOURCES += main.cpp \
-           qmnghandler.cpp
-
 symbian: {
         #Disable warnings in 3rdparty code due to unused variables and arguments
         QMAKE_CXXFLAGS.CW += -W nounused
         TARGET.UID3=0x2001E619
 }
 
-contains(QT_CONFIG, system-mng) {
-        unix|win32-g++*:LIBS += -lmng
-        win32:!win32-g++*:LIBS += libmng.lib
-} else {
-    DEFINES += MNG_BUILD_SO
-    DEFINES += MNG_NO_INCLUDE_JNG
-    INCLUDEPATH += ../../../3rdparty/libmng
-    SOURCES  += \
-        ../../../3rdparty/libmng/libmng_callback_xs.c \
-        ../../../3rdparty/libmng/libmng_chunk_io.c \
-        ../../../3rdparty/libmng/libmng_chunk_descr.c \
-        ../../../3rdparty/libmng/libmng_chunk_prc.c \
-        ../../../3rdparty/libmng/libmng_chunk_xs.c \
-        ../../../3rdparty/libmng/libmng_cms.c \
-        ../../../3rdparty/libmng/libmng_display.c \
-        ../../../3rdparty/libmng/libmng_dither.c \
-        ../../../3rdparty/libmng/libmng_error.c \
-        ../../../3rdparty/libmng/libmng_filter.c \
-        ../../../3rdparty/libmng/libmng_hlapi.c \
-        ../../../3rdparty/libmng/libmng_jpeg.c \
-        ../../../3rdparty/libmng/libmng_object_prc.c \
-        ../../../3rdparty/libmng/libmng_pixels.c \
-        ../../../3rdparty/libmng/libmng_prop_xs.c \
-        ../../../3rdparty/libmng/libmng_read.c \
-        ../../../3rdparty/libmng/libmng_trace.c \
-        ../../../3rdparty/libmng/libmng_write.c \
-        ../../../3rdparty/libmng/libmng_zlib.c
-}
-
-contains(QT_CONFIG, system-zlib) {
-    symbian:LIBS_PRIVATE += -llibz
-    else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
-    else:LIBS += zdll.lib
-} else {
-    INCLUDEPATH +=  ../../../3rdparty/zlib
-}
+include(../../../gui/image/qmnghandler.pri)
+SOURCES += main.cpp
 
 QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/imageformats
 target.path += $$[QT_INSTALL_PLUGINS]/imageformats
 INSTALLS += target
-
diff --git a/src/plugins/imageformats/tiff/tiff.pro b/src/plugins/imageformats/tiff/tiff.pro
index 08e471c..e781526 100644
--- a/src/plugins/imageformats/tiff/tiff.pro
+++ b/src/plugins/imageformats/tiff/tiff.pro
@@ -3,77 +3,8 @@ include(../../qpluginbase.pri)
 
 QTDIR_build:REQUIRES = "!contains(QT_CONFIG, no-tiff)"
 
-HEADERS += qtiffhandler.h
-SOURCES += main.cpp \
-           qtiffhandler.cpp
-
-contains(QT_CONFIG, system-tiff) {
-        unix|win32-g++*:LIBS += -ltiff
-        win32:!win32-g++*:LIBS += libtiff.lib
-
-        contains(QT_CONFIG, system-jpeg) {
-                unix|win32-g++*:LIBS += -ljpeg
-                win32:!win32-g++*:LIBS += libjpeg.lib
-        }
-} else {
-    INCLUDEPATH += ../../../3rdparty/libtiff/libtiff
-    SOURCES  += \
-        ../../../3rdparty/libtiff/libtiff/tif_aux.c \
-        ../../../3rdparty/libtiff/libtiff/tif_close.c \
-        ../../../3rdparty/libtiff/libtiff/tif_codec.c \
-        ../../../3rdparty/libtiff/libtiff/tif_color.c \
-        ../../../3rdparty/libtiff/libtiff/tif_compress.c \
-        ../../../3rdparty/libtiff/libtiff/tif_dir.c \
-        ../../../3rdparty/libtiff/libtiff/tif_dirinfo.c \
-        ../../../3rdparty/libtiff/libtiff/tif_dirread.c \
-        ../../../3rdparty/libtiff/libtiff/tif_dirwrite.c \
-        ../../../3rdparty/libtiff/libtiff/tif_dumpmode.c \
-        ../../../3rdparty/libtiff/libtiff/tif_error.c \
-        ../../../3rdparty/libtiff/libtiff/tif_extension.c \
-        ../../../3rdparty/libtiff/libtiff/tif_fax3.c \
-        ../../../3rdparty/libtiff/libtiff/tif_fax3sm.c \
-        ../../../3rdparty/libtiff/libtiff/tif_flush.c \
-        ../../../3rdparty/libtiff/libtiff/tif_getimage.c \
-        ../../../3rdparty/libtiff/libtiff/tif_luv.c \
-        ../../../3rdparty/libtiff/libtiff/tif_lzw.c \
-        ../../../3rdparty/libtiff/libtiff/tif_next.c \
-        ../../../3rdparty/libtiff/libtiff/tif_open.c \
-        ../../../3rdparty/libtiff/libtiff/tif_packbits.c \
-        ../../../3rdparty/libtiff/libtiff/tif_pixarlog.c \
-        ../../../3rdparty/libtiff/libtiff/tif_predict.c \
-        ../../../3rdparty/libtiff/libtiff/tif_print.c \
-        ../../../3rdparty/libtiff/libtiff/tif_read.c \
-        ../../../3rdparty/libtiff/libtiff/tif_strip.c \
-        ../../../3rdparty/libtiff/libtiff/tif_swab.c \
-        ../../../3rdparty/libtiff/libtiff/tif_thunder.c \
-        ../../../3rdparty/libtiff/libtiff/tif_tile.c \
-        ../../../3rdparty/libtiff/libtiff/tif_version.c \
-        ../../../3rdparty/libtiff/libtiff/tif_warning.c \
-        ../../../3rdparty/libtiff/libtiff/tif_write.c \
-        ../../../3rdparty/libtiff/libtiff/tif_zip.c
-        win32:!wince*: {
-            SOURCES += ../../../3rdparty/libtiff/libtiff/tif_win32.c
-        }
-        unix: {
-          SOURCES += ../../../3rdparty/libtiff/libtiff/tif_unix.c
-        }
-        wince*: {
-            SOURCES += ../../../corelib/kernel/qfunctions_wince.cpp \
-                       ../../../3rdparty/libtiff/libtiff/tif_wince.c \
-                       ../../../3rdparty/libtiff/libtiff/tif_win32.c
-        }
-        symbian: {
-            SOURCES += ../../../3rdparty/libtiff/port/lfind.c
-        }
-}
-
-contains(QT_CONFIG, system-zlib) {
-    symbian:LIBS_PRIVATE += -llibz
-    else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
-    else:LIBS += zdll.lib
-} else {
-    INCLUDEPATH +=  ../../../3rdparty/zlib
-}
+include(../../../gui/image/qtiffhandler.pri)
+SOURCES += main.cpp
 
 QTDIR_build:DESTDIR = $$QT_BUILD_TREE/plugins/imageformats
 target.path += $$[QT_INSTALL_PLUGINS]/imageformats
diff --git a/src/svg/svg.pro b/src/svg/svg.pro
index de4bba6..7b5251a 100644
--- a/src/svg/svg.pro
+++ b/src/svg/svg.pro
@@ -42,11 +42,4 @@ INCLUDEPATH += ../3rdparty/harfbuzz/src
 
 symbian:TARGET.UID3=0x2001B2E2
 
-#zlib support
-contains(QT_CONFIG, zlib) {
-    INCLUDEPATH += ../3rdparty/zlib
-} else:!contains(QT_CONFIG, no-zlib) {
-    symbian:LIBS_PRIVATE += -llibz
-    else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
-    else:LIBS += zdll.lib
-}
+include(../3rdparty/zlib_dependency.pri)
diff --git a/src/tools/bootstrap/bootstrap.pro b/src/tools/bootstrap/bootstrap.pro
index 149291a..a74c9c1 100644
--- a/src/tools/bootstrap/bootstrap.pro
+++ b/src/tools/bootstrap/bootstrap.pro
@@ -95,25 +95,8 @@ macx: {
    LIBS += -framework CoreServices
 }
 
-contains(QT_CONFIG, zlib)|cross_compile {
-   INCLUDEPATH += ../../3rdparty/zlib
-   SOURCES+= \
-        ../3rdparty/zlib/adler32.c \
-        ../3rdparty/zlib/compress.c \
-        ../3rdparty/zlib/crc32.c \
-        ../3rdparty/zlib/deflate.c \
-        ../3rdparty/zlib/gzio.c \
-        ../3rdparty/zlib/inffast.c \
-        ../3rdparty/zlib/inflate.c \
-        ../3rdparty/zlib/inftrees.c \
-        ../3rdparty/zlib/trees.c \
-        ../3rdparty/zlib/uncompr.c \
-        ../3rdparty/zlib/zutil.c
-} else:!contains(QT_CONFIG, no-zlib) {
-    symbian:LIBS_PRIVATE += -llibz
-    else:if(unix|win32-g++*):LIBS_PRIVATE += -lz
-    else:LIBS += zdll.lib
-}
+if(contains(QT_CONFIG, zlib)|cross_compile):include(../../3rdparty/zlib.pri)
+else:include(../../3rdparty/zlib_dependency.pri)
 
 lib.CONFIG = dummy_install
 INSTALLS += lib
diff --git a/src/winmain/winmain.pro b/src/winmain/winmain.pro
index 0c9b214..8c2710c 100644
--- a/src/winmain/winmain.pro
+++ b/src/winmain/winmain.pro
@@ -12,7 +12,6 @@ win32 {
 	win32-borland:DEFINES += QT_NEEDS_QMAIN
 	SOURCES		= qtmain_win.cpp
 	CONFIG		+= png
-	CONFIG		-= jpeg
 	INCLUDEPATH	+= tmp $$QMAKE_INCDIR_QT/QtCore
 }