diff --git a/bin/bin.pro b/bin/bin.pro
index 523cc50bd17a55152aa49b578467c4a58afe3f50..d546b053cb744f557d3b0ea951fcab2344b11b06 100644
--- a/bin/bin.pro
+++ b/bin/bin.pro
@@ -9,7 +9,7 @@ QMAKE_STRIP =
 
 QMAKE_CLEAN = qtcreator.sh
 
-target.path  = /bin
+target.path  = $$QTC_PREFIX/bin
 INSTALLS    += target
 
 OTHER_FILES = $$PWD/qtcreator.sh
diff --git a/doc/doc.pri b/doc/doc.pri
index 285951f22c939d7cf75202665c7afa4357d89149..c163bce40c89ebd528c9d3c1cf0b1d0b07cb0f3b 100644
--- a/doc/doc.pri
+++ b/doc/doc.pri
@@ -78,12 +78,12 @@ dev_qch_docs.depends += dev_html_docs
 
 !macx {
     inst_qch_docs.files = $$QCH_FILE
-    inst_qch_docs.path = /share/doc/qtcreator
+    inst_qch_docs.path = $$QTC_PREFIX/share/doc/qtcreator
     inst_qch_docs.CONFIG += no_check_exist no_default_install
     INSTALLS += inst_qch_docs
 
     inst_dev_qch_docs.files = $$DEV_QCH_FILE
-    inst_dev_qch_docs.path = /share/doc/qtcreator
+    inst_dev_qch_docs.path = $$QTC_PREFIX/share/doc/qtcreator
     inst_dev_qch_docs.CONFIG += no_check_exist no_default_install
     INSTALLS += inst_dev_qch_docs
 
diff --git a/lib/qtcreator/qtcomponents/qtcomponents.pro b/lib/qtcreator/qtcomponents/qtcomponents.pro
index 5cf2d9adb9cf03e1ecde95cbd3adfd6759cde3b4..33268cf3cbd7a786ccd17751f846b7a8bf21ddde 100644
--- a/lib/qtcreator/qtcomponents/qtcomponents.pro
+++ b/lib/qtcreator/qtcomponents/qtcomponents.pro
@@ -52,6 +52,6 @@ DATA_FILE_PATTERNS = \
 
 !macx {
     qmlfiles.files = $$PWD/*.qml $$PWD/qmldir $$PWD/images $$PWD/custom
-    qmlfiles.path = /$${IDE_LIBRARY_BASENAME}/qtcreator/qtcomponents
+    qmlfiles.path = $$QTC_PREFIX/$${IDE_LIBRARY_BASENAME}/qtcreator/qtcomponents
     INSTALLS += qmlfiles
 }
diff --git a/qtcreator.pri b/qtcreator.pri
index 9c8dbd592140794c35ef15819f31916d1f5f16c5..1fdd9e4e16403a50d7486d504d307b09950a9e96 100644
--- a/qtcreator.pri
+++ b/qtcreator.pri
@@ -3,6 +3,11 @@ QTCREATOR_PRI_INCLUDED = 1
 
 QTCREATOR_VERSION = 2.5.81
 
+isEmpty(QTC_PREFIX) {
+  unix: QTC_PREFIX = /usr/local
+  else: QTC_PREFIX = QtCreator
+}
+
 defineReplace(cleanPath) {
     win32:1 ~= s|\\\\|/|g
     contains(1, ^/.*):pfx = /
diff --git a/qtcreator.pro b/qtcreator.pro
index c9b2be0268c3545872a43d80b2d56dcc20ca0470..c980185386467c754a08d888efda99ff2d18f3ac 100644
--- a/qtcreator.pro
+++ b/qtcreator.pro
@@ -26,19 +26,30 @@ macx {
     dmg.depends = deployqt
     QMAKE_EXTRA_TARGETS += codesign dmg
 } else {
-    deployqt.commands = $$PWD/scripts/deployqt.py -i $(INSTALL_ROOT)
+    deployqt.commands = $$PWD/scripts/deployqt.py -i \"$(INSTALL_ROOT)$$QTC_PREFIX\"
     deployqt.depends = install
     win32 {
         bindist.commands ~= s,/,\\\\,g
         deployqt.commands ~= s,/,\\\\,g
         deployartifacts.depends = install
         PLATFORM="windows"
-        deployartifacts.commands = git clone "git://gitorious.org/qt-creator/binary-artifacts.git"&& xcopy /s /q /y /i "binary-artifacts\\win32" $(INSTALL_ROOT)&& rmdir /s /q binary-artifacts
+        deployartifacts.commands = git clone "git://gitorious.org/qt-creator/binary-artifacts.git"&& xcopy /s /q /y /i "binary-artifacts\\win32" \"$(INSTALL_ROOT)$$QTC_PREFIX\"&& rmdir /s /q binary-artifacts
         QMAKE_EXTRA_TARGETS += deployartifacts
     }
-    else:linux-*:PLATFORM="linux-$${QT_ARCH}"
-    else:PLATFORM="unknown"
-    bindist.commands = $$PWD/scripts/bindistHelper.py "$(INSTALL_ROOT)" "$${PLATFORM}$(INSTALL_EDITION)-$${QTCREATOR_VERSION}$(INSTALL_POSTFIX)"
+    else:linux-*:PLATFORM = "linux-$${QT_ARCH}"
+    else:PLATFORM = "unknown"
+    PATTERN = $${PLATFORM}$(INSTALL_EDITION)-$${QTCREATOR_VERSION}$(INSTALL_POSTFIX)
+    bindist.commands = $$PWD/scripts/bindistHelper.py -i -p $${PATTERN} \"$(INSTALL_ROOT)$$QTC_PREFIX\"
+    bindist_inst.commands = $$PWD/scripts/bindistHelper.py -p $${PATTERN} \"$(INSTALL_ROOT)$$QTC_PREFIX\"
+    win32 {
+        bindist.commands ~= s,/,\\\\,g
+        bindist_inst.commands ~= s,/,\\\\,g
+    }
+
 }
 bindist.depends = deployqt
-QMAKE_EXTRA_TARGETS += deployqt bindist
+bindist_inst.depends = deployqt
+installer.depends = bindist_inst
+installer.commands = $$PWD/scripts/packageIfw.py --ifw $(IFW_DIR) -s $${QTCREATOR_VERSION} "qt-creator-$${PATTERN}-installer"
+win32:installer.commands ~= s,/,\\\\,g
+QMAKE_EXTRA_TARGETS += deployqt bindist bindist_inst installer
diff --git a/share/qtcreator/qml/qmlpuppet/qml2puppet/qml2puppet.pro b/share/qtcreator/qml/qmlpuppet/qml2puppet/qml2puppet.pro
index 77351d8a9e6d13a78b031811450f94d6f499d1b3..6b2b7097ae8aee13ca32c6231d7d83a3dc683758 100644
--- a/share/qtcreator/qml/qmlpuppet/qml2puppet/qml2puppet.pro
+++ b/share/qtcreator/qml/qmlpuppet/qml2puppet/qml2puppet.pro
@@ -36,6 +36,6 @@ macx {
     info.output = $$DESTDIR/$${TARGET}.app/Contents/Info.plist
     QMAKE_SUBSTITUTES += info
 } else {
-    target.path  = /bin
+    target.path  = $$QTC_PREFIX/bin
     INSTALLS    += target
 }
diff --git a/share/qtcreator/qml/qmlpuppet/qmlpuppet/qmlpuppet.pri b/share/qtcreator/qml/qmlpuppet/qmlpuppet/qmlpuppet.pri
index 66aa92e47be74fa444327c858b4d51af3058b337..e2d6645077ab464de812af88b20f197ced71b7b0 100644
--- a/share/qtcreator/qml/qmlpuppet/qmlpuppet/qmlpuppet.pri
+++ b/share/qtcreator/qml/qmlpuppet/qmlpuppet/qmlpuppet.pri
@@ -21,6 +21,6 @@ macx {
     info.output = $$DESTDIR/$${TARGET}.app/Contents/Info.plist
     QMAKE_SUBSTITUTES += info
 } else {
-    target.path  = /bin
+    target.path  = $$QTC_PREFIX/bin
     INSTALLS    += target
 }
diff --git a/share/qtcreator/static.pro b/share/qtcreator/static.pro
index 7d8363dd5c90f022f02d906ceb391a45e78b62ae..b707606bb12f7bb434986b2db6874e7652ae3217 100644
--- a/share/qtcreator/static.pro
+++ b/share/qtcreator/static.pro
@@ -63,7 +63,7 @@ OTHER_FILES += $$FILES
 !macx {
     for(data_dir, DATA_DIRS) {
         eval($${data_dir}.files = $$quote($$PWD/$$data_dir))
-        eval($${data_dir}.path = /share/qtcreator)
+        eval($${data_dir}.path = $$QTC_PREFIX/share/qtcreator)
         INSTALLS += $$data_dir
     }
 } else {
@@ -116,7 +116,7 @@ QMAKE_EXTRA_COMPILERS += unconditionalCopy2build
 !macx {
     for(data_dir, DATA_DIRS) {
         eval($${data_dir}.files = $$IDE_DATA_PATH/$$data_dir)
-        eval($${data_dir}.path = /share/qtcreator)
+        eval($${data_dir}.path = $$QTC_PREFIX/share/qtcreator)
         eval($${data_dir}.CONFIG += no_check_exist)
         INSTALLS += $$data_dir
     }
diff --git a/share/qtcreator/translations/translations.pro b/share/qtcreator/translations/translations.pro
index c791dadb9d19a75442363d4e36a481d8a5be6a8c..dfaf7c471bc105e73992c3918bf037783f00d4b0 100644
--- a/share/qtcreator/translations/translations.pro
+++ b/share/qtcreator/translations/translations.pro
@@ -120,6 +120,6 @@ isEmpty(vcproj) {
 }
 
 qmfiles.files = $$prependAll(LANGUAGES, $$OUT_PWD/qtcreator_,.qm)
-qmfiles.path = /share/qtcreator/translations
+qmfiles.path = $$QTC_PREFIX/share/qtcreator/translations
 qmfiles.CONFIG += no_check_exist
 INSTALLS += qmfiles
diff --git a/src/app/app.pro b/src/app/app.pro
index 896b2cc884ebe8c56d6496d9502ed01927c1ab55..a2a666dd1d53be235e7fd89fcaad20a8321ba55f 100644
--- a/src/app/app.pro
+++ b/src/app/app.pro
@@ -17,7 +17,7 @@ QT_BREAKPAD_ROOT_PATH = $$(QT_BREAKPAD_ROOT_PATH)
 }
 win32 {
     RC_FILE = qtcreator.rc
-    target.path = /bin
+    target.path = $$QTC_PREFIX/bin
     INSTALLS += target
 } else:macx {
     LIBS += -framework CoreFoundation
@@ -29,7 +29,7 @@ win32 {
     info.output = $$IDE_BIN_PATH/../Info.plist
     QMAKE_SUBSTITUTES = info
 } else {
-    target.path  = /bin
+    target.path  = $$QTC_PREFIX/bin
     INSTALLS    += target
 }
 
diff --git a/src/libs/qtcomponents/styleitem/styleitem.pro b/src/libs/qtcomponents/styleitem/styleitem.pro
index 59f892d6490612fded3de3551c0de0057fb6173e..d94e7dfa456c59773a9ddf1de5c6faa4848480f9 100644
--- a/src/libs/qtcomponents/styleitem/styleitem.pro
+++ b/src/libs/qtcomponents/styleitem/styleitem.pro
@@ -33,6 +33,6 @@ SOURCES += qtmenu.cpp \
            qwheelarea.cpp
 
 !macx {
-    target.path = /$${IDE_LIBRARY_BASENAME}/qtcreator/qtcomponents/plugin
+    target.path = $$QTC_PREFIX/$${IDE_LIBRARY_BASENAME}/qtcreator/qtcomponents/plugin
     INSTALLS += target
 }
diff --git a/src/libs/qtcreatorcdbext/qtcreatorcdbext.pro b/src/libs/qtcreatorcdbext/qtcreatorcdbext.pro
index fa02ca409543b6f97e2ec28721b2821bc2ecc4c8..20bdfb23fc20c25aabda9ff92678880b56cbe97d 100644
--- a/src/libs/qtcreatorcdbext/qtcreatorcdbext.pro
+++ b/src/libs/qtcreatorcdbext/qtcreatorcdbext.pro
@@ -82,6 +82,6 @@ HEADERS += extensioncontext.h \
     knowntype.h \
     symbolgroupnode.h
 
-target.path = /lib/$${DIRNAME}
+target.path = $$QTC_PREFIX/lib/$${DIRNAME}
 
 INSTALLS += target
diff --git a/src/libs/utils/process_ctrlc_stub.pro b/src/libs/utils/process_ctrlc_stub.pro
index 4b99fe33ed15c9ce4b3da0696968d941b2c3b2fd..4fef59a40182bbee7382e099a362f58eb812e269 100644
--- a/src/libs/utils/process_ctrlc_stub.pro
+++ b/src/libs/utils/process_ctrlc_stub.pro
@@ -17,5 +17,5 @@ build_all:!build_pass {
     CONFIG += release
 }
 
-target.path  = /bin # FIXME: libexec, more or less
+target.path  = $$QTC_PREFIX/bin # FIXME: libexec, more or less
 INSTALLS    += target
diff --git a/src/libs/utils/process_stub.pro b/src/libs/utils/process_stub.pro
index 7e498a7781860dacc6159ec519d24eb5c60fdc13..a3eea0f13188ded4728ed284ea1d4fc1a27e99ef 100644
--- a/src/libs/utils/process_stub.pro
+++ b/src/libs/utils/process_stub.pro
@@ -20,5 +20,5 @@ unix {
     LIBS += -lshell32
 }
 
-target.path  = /bin # FIXME: libexec, more or less
+target.path  = $$QTC_PREFIX/bin # FIXME: libexec, more or less
 INSTALLS    += target
diff --git a/src/plugins/coreplugin/coreplugin.pro b/src/plugins/coreplugin/coreplugin.pro
index 14a7450b3c99caabbdc42e6bc3c0641f4417deeb..1d4dfe998ce07cab6eee799cdf2a4e03740da0d1 100644
--- a/src/plugins/coreplugin/coreplugin.pro
+++ b/src/plugins/coreplugin/coreplugin.pro
@@ -237,7 +237,7 @@ else:unix {
 
     for(imagesize, IMAGE_SIZE_LIST) {
         eval(image$${imagesize}.files = images/logo/$${imagesize}/qtcreator.png)
-        eval(image$${imagesize}.path = /share/icons/hicolor/$${imagesize}x$${imagesize}/apps)
+        eval(image$${imagesize}.path = $$QTC_PREFIX/share/icons/hicolor/$${imagesize}x$${imagesize}/apps)
         INSTALLS += image$${imagesize}
     }
 }
diff --git a/src/plugins/qmldesigner/plugindestdir.pri b/src/plugins/qmldesigner/plugindestdir.pri
index d4987e240939564cfb9b6430c53fbcdad375baff..2de740f852f9161cff8b1bcc1e601bf5c519417a 100644
--- a/src/plugins/qmldesigner/plugindestdir.pri
+++ b/src/plugins/qmldesigner/plugindestdir.pri
@@ -2,6 +2,6 @@ macx {
   DESTDIR = $$IDE_LIBRARY_PATH/QmlDesigner
 } else {
   DESTDIR = $$IDE_LIBRARY_PATH/qmldesigner
-  target.path  = /$$IDE_LIBRARY_BASENAME/qtcreator/qmldesigner
+  target.path  = $$QTC_PREFIX/$$IDE_LIBRARY_BASENAME/qtcreator/qmldesigner
   INSTALLS    += target
 }
diff --git a/src/qtcreatorlibrary.pri b/src/qtcreatorlibrary.pri
index e46e3a2d28dad9f3f2ef3dc7942cbb9bf6188966..0dc1a179b23654e040b7090d8e5f9da775f37586 100644
--- a/src/qtcreatorlibrary.pri
+++ b/src/qtcreatorlibrary.pri
@@ -19,9 +19,9 @@ contains(QT_CONFIG, reduce_exports):CONFIG += hide_symbols
 
 !macx {
     win32 {
-        target.path = /bin
+        target.path = $$QTC_PREFIX/bin
     } else {
-        target.path = /$$IDE_LIBRARY_BASENAME/qtcreator
+        target.path = $$QTC_PREFIX/$$IDE_LIBRARY_BASENAME/qtcreator
     }
     INSTALLS += target
 }
diff --git a/src/qtcreatorplugin.pri b/src/qtcreatorplugin.pri
index ea0360753be46886110bcb09ce4c0742ddd221f2..292b10ad7438e8b1aacd4847c0fa0628a637b51c 100644
--- a/src/qtcreatorplugin.pri
+++ b/src/qtcreatorplugin.pri
@@ -99,9 +99,9 @@ CONFIG += plugin plugin_with_soname
 linux*:QMAKE_LFLAGS += $$QMAKE_LFLAGS_NOUNDEF
 
 !macx {
-    target.path = /$$IDE_LIBRARY_BASENAME/qtcreator/plugins/$$PROVIDER
+    target.path = $$QTC_PREFIX/$$IDE_LIBRARY_BASENAME/qtcreator/plugins/$$PROVIDER
     pluginspec.files += $${TARGET}.pluginspec
-    pluginspec.path = /$$IDE_LIBRARY_BASENAME/qtcreator/plugins/$$PROVIDER
+    pluginspec.path = $$QTC_PREFIX/$$IDE_LIBRARY_BASENAME/qtcreator/plugins/$$PROVIDER
     INSTALLS += target pluginspec
 }
 
diff --git a/src/tools/qtcdebugger/qtcdebugger.pro b/src/tools/qtcdebugger/qtcdebugger.pro
index ece3eb772ff62496a419d7e543e1a77cb585e7e0..9c3220aba0b141acf9c5708099f8c8a8b8a24ac7 100644
--- a/src/tools/qtcdebugger/qtcdebugger.pro
+++ b/src/tools/qtcdebugger/qtcdebugger.pro
@@ -6,7 +6,7 @@ SOURCES += main.cpp
 
 DESTDIR=../../../bin
 
-target.path=/bin
+target.path=$$QTC_PREFIX/bin
 INSTALLS+=target
 
 include(../../../qtcreator.pri)
diff --git a/src/tools/qtpromaker/qtpromaker.pro b/src/tools/qtpromaker/qtpromaker.pro
index 8dacfd5eede0408a52168c37d34576fb9377c2be..b61d1cee33b4e9700dd22a244d5eeb46e2d9c165 100644
--- a/src/tools/qtpromaker/qtpromaker.pro
+++ b/src/tools/qtpromaker/qtpromaker.pro
@@ -11,5 +11,5 @@ CONFIG    -= app_bundle
 
 SOURCES   += main.cpp
 
-target.path  = /bin # FIXME: libexec, more or less
+target.path  = $$QTC_PREFIX/bin # FIXME: libexec, more or less
 INSTALLS    += target
diff --git a/src/tools/win64interrupt/win64interrupt.pro b/src/tools/win64interrupt/win64interrupt.pro
index b8b26bcfd4f32019183cf9fd90e31aa0b1d91b3a..282514c54cdd84ad0cf7e5503ba356643bb82c27 100644
--- a/src/tools/win64interrupt/win64interrupt.pro
+++ b/src/tools/win64interrupt/win64interrupt.pro
@@ -26,5 +26,5 @@ build_all:!build_pass {
     CONFIG += release
 }
 
-target.path  = /bin # FIXME: libexec, more or less
+target.path  = $$QTC_PREFIX/bin # FIXME: libexec, more or less
 INSTALLS    += target