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Type: Bug
Resolution: Done
Priority: P2: Important
Fix Version/s: Qt Creator 4.0.1
Affects Version/s: Qt Creator 4.0.0
Component/s: Project & Build Management
Labels:
None
Environment:
Ubuntu 15.10

Commits:
47d5100c99e77fa5c7cc24070ae18525a93e84b9

Description

I'm trying to set QT_SCALE_FACTOR to 2 via Projects > Run > Run Environment, but it doesn't get propagated to the application. I have to call qputenv("QT_SCALE_FACTOR", "2") in C++ instead.

Some info in the Qt Versions tab of the Options dialog:

Name:
Qt 5.7.0 (qt5.7-n6-debug)
ABI:
arm-linux-generic-elf-32bit
Source:
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local
mkspec:
devices/linux-imx6-g++-b2qt
qmake:
/home/mitch/dev/qt5.7-n6-debug/hostbin/bin/qmake
Default:
debug
Version:
5.7.0
QMAKE_SPEC
linux-g++
QMAKE_VERSION
3.0
QMAKE_XSPEC
devices/linux-imx6-g++-b2qt
QT_HOST_BINS
/home/mitch/dev/qt5.7-n6-debug/hostbin/bin
QT_HOST_DATA
/home/mitch/dev/qt5.7-n6-debug/hostbin
QT_HOST_LIBS
/home/mitch/dev/qt5.7-n6-debug/hostbin/lib
QT_HOST_PREFIX
/home/mitch/dev/qt5.7-n6-debug/hostbin
QT_INSTALL_ARCHDATA
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local
QT_INSTALL_BINS
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/bin
QT_INSTALL_CONFIGURATION
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/etc/xdg
QT_INSTALL_DATA
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local
QT_INSTALL_DEMOS
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/examples
QT_INSTALL_DOCS
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/doc
QT_INSTALL_EXAMPLES
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/examples
QT_INSTALL_HEADERS
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/include
QT_INSTALL_IMPORTS
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/imports
QT_INSTALL_LIBEXECS
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/libexec
QT_INSTALL_LIBS
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/lib
QT_INSTALL_PLUGINS
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/plugins
QT_INSTALL_PREFIX
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local
QT_INSTALL_QML
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/qml
QT_INSTALL_TESTS
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/tests
QT_INSTALL_TRANSLATIONS
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi/usr/local/translations
QT_SYSROOT
/home/mitch/dev/qt-enterprise/5.5/Boot2Qt/nitrogen6x-eLinux/toolchain/sysroots/cortexa9hf-vfp-neon-poky-linux-gnueabi
QT_VERSION
5.7.0

Application output:

Starting remote application."FB_MULTI_BUFFER" "2"
"QML2_IMPORT_PATH" "/data/user/qt/qmlplugins"
"QT_GSTREAMER_CAMERABIN_VIDEOSRC" "mxc_v4l2=mfw_v4lsrc,v4l2src"
"QT_IM_MODULE" "qtvirtualkeyboard"
"QT_QUICK_CONTROLS_STYLE" "Flat"
"/opt/untitled/bin/untitled" ()
QML debugging is enabled. Only use this in a safe environment.
Unable to query physical screen size, defaulting to 100 dpi.
To override, set QT_QPA_EGLFS_PHYSICAL_WIDTH and QT_QPA_EGLFS_PHYSICAL_HEIGHT (in millimeters).

I've attached a screenshot of the Boot to Qt kit configuration in Creator.