diff --git a/mkspecs/common/clang-mac.conf b/mkspecs/common/clang-mac.conf
new file mode 100644
index 00000000000..f7fe50a50bc
--- /dev/null
+++ b/mkspecs/common/clang-mac.conf
@@ -0,0 +1,5 @@
+
+QMAKE_OBJCFLAGS_PRECOMPILE = -x objective-c-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
+QMAKE_OBJCFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+QMAKE_OBJCXXFLAGS_PRECOMPILE = -x objective-c++-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
+QMAKE_OBJCXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
diff --git a/mkspecs/macx-clang-32/Info.plist.app b/mkspecs/macx-clang-32/Info.plist.app
new file mode 100644
index 00000000000..393b615475e
--- /dev/null
+++ b/mkspecs/macx-clang-32/Info.plist.app
@@ -0,0 +1,20 @@
+
+
+
+
+ CFBundleIconFile
+ @ICON@
+ CFBundlePackageType
+ APPL
+ CFBundleGetInfoString
+ Created by Qt/QMake
+ CFBundleSignature
+ @TYPEINFO@
+ CFBundleExecutable
+ @EXECUTABLE@
+ CFBundleIdentifier
+ com.yourcompany.@EXECUTABLE@
+ NOTE
+ This file was generated by Qt/QMake.
+
+
diff --git a/mkspecs/macx-clang-32/Info.plist.lib b/mkspecs/macx-clang-32/Info.plist.lib
new file mode 100644
index 00000000000..97609ed0ce6
--- /dev/null
+++ b/mkspecs/macx-clang-32/Info.plist.lib
@@ -0,0 +1,18 @@
+
+
+
+
+ CFBundlePackageType
+ FMWK
+ CFBundleShortVersionString
+ @SHORT_VERSION@
+ CFBundleGetInfoString
+ Created by Qt/QMake
+ CFBundleSignature
+ @TYPEINFO@
+ CFBundleExecutable
+ @LIBRARY@
+ NOTE
+ Please, do NOT change this file -- It was generated by Qt/QMake.
+
+
diff --git a/mkspecs/macx-clang-32/qmake.conf b/mkspecs/macx-clang-32/qmake.conf
new file mode 100644
index 00000000000..ad0c5662cdf
--- /dev/null
+++ b/mkspecs/macx-clang-32/qmake.conf
@@ -0,0 +1,22 @@
+#
+# qmake configuration for 32-bit Clang on OS X
+#
+
+MAKEFILE_GENERATOR = UNIX
+TARGET_PLATFORM = macx
+TEMPLATE = app
+CONFIG += qt warn_on release app_bundle incremental global_init_link_order lib_version_first plugin_no_soname link_prl
+QT += core gui
+QMAKE_INCREMENTAL_STYLE = sublib
+
+include(../common/mac.conf)
+include(../common/gcc-base-macx.conf)
+include(../common/clang.conf)
+include(../common/clang-mac.conf)
+
+QMAKE_CFLAGS += -arch i386
+QMAKE_OBJECTIVE_CFLAGS += -arch i386
+QMAKE_CXXFLAGS += -arch i386
+QMAKE_LFLAGS += -arch i386
+
+load(qt_config)
diff --git a/mkspecs/macx-clang-32/qplatformdefs.h b/mkspecs/macx-clang-32/qplatformdefs.h
new file mode 100644
index 00000000000..a3612d31e1f
--- /dev/null
+++ b/mkspecs/macx-clang-32/qplatformdefs.h
@@ -0,0 +1,43 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the qmake spec of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 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 the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "../common/mac/qplatformdefs.h"
+
diff --git a/mkspecs/macx-clang/qmake.conf b/mkspecs/macx-clang/qmake.conf
index 2d9b9bc6d97..5077392b80b 100644
--- a/mkspecs/macx-clang/qmake.conf
+++ b/mkspecs/macx-clang/qmake.conf
@@ -12,10 +12,6 @@ QMAKE_INCREMENTAL_STYLE = sublib
include(../common/mac.conf)
include(../common/gcc-base-macx.conf)
include(../common/clang.conf)
-
-QMAKE_OBJCFLAGS_PRECOMPILE = -x objective-c-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
-QMAKE_OBJCFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
-QMAKE_OBJCXXFLAGS_PRECOMPILE = -x objective-c++-header -c ${QMAKE_PCH_INPUT} -o ${QMAKE_PCH_OUTPUT}
-QMAKE_OBJCXXFLAGS_USE_PRECOMPILE = $$QMAKE_CFLAGS_USE_PRECOMPILE
+include(../common/clang-mac.conf)
load(qt_config)
diff --git a/mkspecs/macx-g++-32/Info.plist.app b/mkspecs/macx-g++-32/Info.plist.app
new file mode 100644
index 00000000000..393b615475e
--- /dev/null
+++ b/mkspecs/macx-g++-32/Info.plist.app
@@ -0,0 +1,20 @@
+
+
+
+
+ CFBundleIconFile
+ @ICON@
+ CFBundlePackageType
+ APPL
+ CFBundleGetInfoString
+ Created by Qt/QMake
+ CFBundleSignature
+ @TYPEINFO@
+ CFBundleExecutable
+ @EXECUTABLE@
+ CFBundleIdentifier
+ com.yourcompany.@EXECUTABLE@
+ NOTE
+ This file was generated by Qt/QMake.
+
+
diff --git a/mkspecs/macx-g++-32/Info.plist.lib b/mkspecs/macx-g++-32/Info.plist.lib
new file mode 100644
index 00000000000..97609ed0ce6
--- /dev/null
+++ b/mkspecs/macx-g++-32/Info.plist.lib
@@ -0,0 +1,18 @@
+
+
+
+
+ CFBundlePackageType
+ FMWK
+ CFBundleShortVersionString
+ @SHORT_VERSION@
+ CFBundleGetInfoString
+ Created by Qt/QMake
+ CFBundleSignature
+ @TYPEINFO@
+ CFBundleExecutable
+ @LIBRARY@
+ NOTE
+ Please, do NOT change this file -- It was generated by Qt/QMake.
+
+
diff --git a/mkspecs/macx-g++-32/qmake.conf b/mkspecs/macx-g++-32/qmake.conf
new file mode 100644
index 00000000000..30e36d55ebf
--- /dev/null
+++ b/mkspecs/macx-g++-32/qmake.conf
@@ -0,0 +1,25 @@
+#macx-g++ (different from g++.conf)
+
+#
+# qmake configuration for macx-g++
+#
+# Mac OS X + command-line compiler
+#
+
+MAKEFILE_GENERATOR = UNIX
+TARGET_PLATFORM = macx
+TEMPLATE = app
+CONFIG += qt warn_on release app_bundle incremental global_init_link_order lib_version_first plugin_no_soname link_prl
+QT += core gui
+QMAKE_INCREMENTAL_STYLE = sublib
+
+include(../common/mac.conf)
+include(../common/gcc-base-macx.conf)
+include(../common/g++-macx.conf)
+
+QMAKE_CFLAGS += -arch i386
+QMAKE_OBJECTIVE_CFLAGS += -arch i386
+QMAKE_CXXFLAGS += -arch i386
+QMAKE_LFLAGS += -arch i386
+
+load(qt_config)
diff --git a/mkspecs/macx-g++-32/qplatformdefs.h b/mkspecs/macx-g++-32/qplatformdefs.h
new file mode 100644
index 00000000000..a3612d31e1f
--- /dev/null
+++ b/mkspecs/macx-g++-32/qplatformdefs.h
@@ -0,0 +1,43 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/
+**
+** This file is part of the qmake spec of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** This file may be used under the terms of the GNU Lesser General Public
+** License version 2.1 as published by the Free Software Foundation and
+** appearing in the file LICENSE.LGPL included in the packaging of this
+** file. Please review the following information to ensure the GNU Lesser
+** General Public License version 2.1 requirements will be met:
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU General
+** Public License version 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 the GNU General
+** Public License version 3.0 requirements will be met:
+** http://www.gnu.org/copyleft/gpl.html.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "../common/mac/qplatformdefs.h"
+