QT:make: Nothing to be done for `first'和error:QtSql:No such file or directory
2013-03-21 16:00
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http://blog.csdn.net/heqiuya/article/details/7774208
这是QT编程中常见的两个编译错误.可能你的代码在window下编译能正常通过,可是到到linux下编译就出现这个问题.解决方案如下:
在你编译QT代码之前最好先make clean一下, 因为*.o之类的文件可能影响到编译.
在qt目录下make后出现以下错误:
make: Nothing to be done for `first'
解决:将你当前目录下的,删除你程序主要的 *.cpp 和 *.h文件以外的所有文件。
接着执行:
#qmake -project
#qmake
#make
运行正常。
最近学习Qt,在Qt4.3.2版本编译包含如下头文件时
#include <QtNetWork>
程序在nmake时出现
server.h:7:21: error: QtNetwork: No such file or directory
终于找到了解决办法
在当前目录下找到 .pro文件
在其中手工添加一行:
QT += network
具体操作步骤如下
1: qmake -project
2: 手工添加 Qt += network
3: qmake
4: nmake
OK,一切正常(假如代码中没有错误)
这是QT编程中常见的两个编译错误.可能你的代码在window下编译能正常通过,可是到到linux下编译就出现这个问题.解决方案如下:
在你编译QT代码之前最好先make clean一下, 因为*.o之类的文件可能影响到编译.
在qt目录下make后出现以下错误:
make: Nothing to be done for `first'
解决:将你当前目录下的,删除你程序主要的 *.cpp 和 *.h文件以外的所有文件。
接着执行:
#qmake -project
#qmake
#make
运行正常。
QtNetwork: No such file or directory 问题的解决
最近学习Qt,在Qt4.3.2版本编译包含如下头文件时#include <QtNetWork>
程序在nmake时出现
server.h:7:21: error: QtNetwork: No such file or directory
终于找到了解决办法
在当前目录下找到 .pro文件
在其中手工添加一行:
QT += network
具体操作步骤如下
1: qmake -project
2: 手工添加 Qt += network
3: qmake
4: nmake
OK,一切正常(假如代码中没有错误)
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