diff options
Diffstat (limited to 'doc/src/platforms/platform-notes-rtos.qdoc')
| -rw-r--r-- | doc/src/platforms/platform-notes-rtos.qdoc | 41 |
1 files changed, 23 insertions, 18 deletions
diff --git a/doc/src/platforms/platform-notes-rtos.qdoc b/doc/src/platforms/platform-notes-rtos.qdoc index 62d5add..0b1265b 100644 --- a/doc/src/platforms/platform-notes-rtos.qdoc +++ b/doc/src/platforms/platform-notes-rtos.qdoc @@ -160,7 +160,7 @@ X11 embedded server is not recommended due to missing support for X11 extensions, resulting in poor rendering quality. - Qt for QNX contains experimental screen and input drivers based on QNX's + Qt for QNX contains screen and input drivers based on QNX's \c devi-hid and \c io-display. For more information, check the class documentation for QQnxScreen, QWSQnxKeyboardHandler and QQnxMouseHandler. See the \l{Porting Qt for Embedded Linux to a New Architecture} document for information @@ -170,7 +170,7 @@ \section1 Supported Versions - Qt has been tested on QNX 6.4 on i386 and PowerPC targets with QNX's default + Qt has been tested on QNX 6.5 on i386, ARM/ARM-v7 and PowerPC targets with QNX's default gcc compiler. \section1 Limitations @@ -179,16 +179,12 @@ \table \header \o Function \o Notes - \row \o QProcess - \o Not available - QNX doesn't support mixing threads and processes. - \row \o QSharedMemory - \o Not available - QNX doesn't support SYSV style shared memory. - \row \o QSystemSemaphore - \o Not available - QNX doesn't support SYSV style system semaphores. - \row \o QWS Multi Process - \o QT_NO_QWS_MULTIPROCESS is always on due to missing shared memory support. \row \o Phonon \o There is no standard audio backend, which could be integrated into Phonon. + \row \o QtMultimedia + \o There is no standard backend, which could be integrated into QtMultimedia. + \row \o QtDBus + \o The the QtDBus library is not available on QNX. \row \o Qt3Support \o The Qt3Support library is not available on QNX. \endtable @@ -203,24 +199,25 @@ i386 QNX target: \code - configure -xplatform unsupported/qws/qnx-i386-g++ -embedded i386 -no-gfx-linuxfb -no-mouse-linuxtp -no-kbd-tty -no-qt3support -qt-gfx-qnx -qt-mouse-qnx -qt-kbd-qnx -no-exceptions + configure -xplatform unsupported/qws/qnx-i386-g++ -embedded x86 -no-gfx-linuxfb -no-mouse-linuxtp -no-kbd-tty -no-qt3support -qt-mouse-qnx -qt-kbd-qnx -qt-gfx-qnx -depths 16,24,32,generic -no-exceptions \endcode \list \o \c{-xplatform unsupported/qws/qnx-i386-g++} - selects the i386-g++ mkspec for QNX - \o \c{-embedded i386} - builds the embedded version of Qt and sets the architecture to i386 + \o \c{-embedded x86} - builds the embedded version of Qt and sets the architecture to i386 \o \c{-no-gfx-linuxfb}, \c{-no-mouse-linuxtp} and \c{-no-kbd-tty} are Linux specific and won't work on QNX \o \c{-no-qt3support} - required since the Qt3 support classes are not supported on QNX \o \c{-no-exceptions} - reduces the size of the library by disabling exception support - \o \c{-qt-gfx-qnx} - enables the experimental \c{io-graphics} based display driver - \o \c{-qt-mouse-qnx} - enables the experimental \c{devi-hig} based mouse driver - \o \c{-qt-kbd-qnx} - enables the experimental \c{devi-hig} based keyboard driver + \o \c{-qt-mouse-qnx} - enables the \c{devi-hid} based mouse driver + \o \c{-qt-kbd-qnx} - enables the \c{devi-hid} based keyboard driver + \o \c{-qt-gfx-qnx} - enables the \c{io-graphics} based screen driver + \o \c{-depths 16,24,32,generic} - enables all modes supported by the QNX screen driver \endlist \section1 General Notes \list - \o To enable the experimental QNX display and input drivers, \c{io-display} needs to be + \o To enable the QNX screen and input drivers, \c{io-display} needs to be up and running. The \c devi-hid based Qt input drivers require \c devi-hid to run in resource mode without Photon support. To enable a standard mouse and keyboard combination, run \c devi-hid as follows: \c{/usr/photon/bin/devi-hid -Pr kbd mouse}. @@ -235,8 +232,8 @@ with a newer version, or disable the TIFF plugin entierly by appending \c{QT_CONFIG += no-tiff} to \c{.qmake.cache} after configuring Qt. - \o Some of the tools, examples and demos do not compile due to dependencies on QProcess - or other classes that are not available on QNX. + \o Some of the tools, examples and demos do not compile due to dependencies on classes + that are not available on QNX. \endlist \section1 Platform Regressions @@ -244,6 +241,14 @@ Qt for QNX's behavior is mostly identical with \l{Qt for Embedded Linux}. However, some regressions were spotted in QDateTime computation around year 0 and year 1970, which have been tracked back to faulty time zone data on some QNX versions. + + QString::localeAwareCompare() only works for C locale. + + QTranslator's default locale-based fallback mechanism doesn't work. + + QSystemSemaphore: Due to POSIX semaphores limitations, the semaphore operations aren't + automatically undone when the process terminates. This potentially may lead to unexpected + lock-ups in applications which does use the SysV semaphores behavior. */ /*! |