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最新文章列表
dbus/Qt移植arm:No such signal ::DeviceAdded(QString) 和 system_bus_socket不存在 解决
qt利用dbus检测U盘程序交叉编译无误后,拷贝到板子里,运行报错:
"?????????QDBusInterface?" "Failed to connect to socket /usr/local/arm/dbus-1.0. 2/var/run/dbus/system_bus_socket: No such file or directory" Ob ...
dbus/Qt移植arm:No such signal ::DeviceAdded(QString) 和 system_bus_socket不存在 解决
qt的程序交叉编译无误后,运行报错:
"?????????QDBusInterface?" "Failed to connect to socket /usr/local/arm/dbus-1.0.
2/var/run/dbus/system_bus_socket: No such file or directory"
Object::connect: ...
dbus移植Qt : error while loading shared libraries: libdbus-1.so.3 解决
Qt用个dbus模块可真是不容易。按照前文,已经编译好了带dbus的qt的lib。为了编译这个qt我们先安了dbus-1.0.2.
在pc上交叉编译我们的Qt程序,生成.pro文件后,记得一定要加QT +=dbus。因为dbus是个可选模块,不加的话Qt会找不到。但是其他模块,如QT += core gui QT += network ,这些 ...
交叉编译dbus模块到Qt 遇到的错误及解决
由于用qt来检测U盘插拔,要用dbus。pc调试通过后,发现到板子里没有dbus。原来默认情况下,编译arm版本qt时是不带dbus的,因此要重新交叉编译qt。
我的配置:
./configure -prefix /usr/local/arm/arm2-qt-4.8.1 -opensource -embedded arm -xplatform qws/linux-arm-g++ ...
dbus_get_version was not declared in this scope 移植dbus,Qt4.8.1源码中的bug:---- 续上
接上篇,开始make,原以为不会有啥问题,因为以前不带dbus用qt4.8.1交叉编译过好多次,出现的问题都一一解决了。谁知make的时候出现错误:
In file included from qdbusconnection_p.h:70:0, from qdbusconnection.cpp:52: qdbus_symbols_p.h: In fu ...