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| author | Laszlo Agocs <laszlo.agocs@digia.com> | 2014-03-14 17:31:56 +0100 |
|---|---|---|
| committer | Laszlo Agocs <laszlo.agocs@digia.com> | 2014-03-17 14:50:13 +0200 |
| commit | af296297e1d91228e8f63846c388fa1796b59e8a (patch) | |
| tree | ce1c464c2271c5442c75ab116cd8116a81853810 /src/doc/src | |
| parent | f5adb6e04035adcfa2d31b5328d01436b2a7ce65 (diff) | |
Document C++11 usage
The Android toolchain contains gcc 4.6 which does not pass Qt's own C++11 test.
Therefore, even though the standard library is there with the headers, one has
to manually add -std=c++11 to the compiler flags (CONFIG+=c++11 has no effect).
Document this.
Task-number: QTEE-67
Change-Id: I6ce33135450e73f097e812d03bb881069de896aa
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@digia.com>
Diffstat (limited to 'src/doc/src')
| -rw-r--r-- | src/doc/src/b2qt.qdoc | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/doc/src/b2qt.qdoc b/src/doc/src/b2qt.qdoc index ca23881..53cb4e7 100644 --- a/src/doc/src/b2qt.qdoc +++ b/src/doc/src/b2qt.qdoc @@ -1238,6 +1238,16 @@ See \l{Customization}. + \section2 C++11 features do not work on Android + + To enable C++11 features in the compiler, add \e{CONFIG += c++11} to the .pro file. + On Embedded Linux this will be enough because there the toolchain contains a more + recent version of gcc (4.8.x). On Embedded Android however the toolchain is based on + gcc 4.6. This offers limited support for C++11 and Qt's own C++11 support is disabled, + meaning that adding \e{c++11} to \e{CONFIG} will have no effect. There is still a + possibility however to manually enable some level of C++11 support just for the + application, by adding \e{QMAKE_CXXFLAGS += -std=c++11} to the .pro file. + \section1 Connectivity Issues \section2 I cannot connect to my hardware device via USB |