Ubuntu installation configuration QT 4.86 Environment

Installing the QT4.8.6 library +QT Creator 2.4.1

Announced

QT4.8.6 Library http://mirrors.hustunique.com/qt/official_releases/qt/4.8/4.8.6/qt-everywhere-opensource-src-4.8.6.tar.gz

QT Creator 2.4.1 Http://get.qt.nokia.com/qtcreator/qt-creator-linux-x86-opensource-2.4.1.bin

After the download is complete, follow the steps below to install the configuration

.1. Unzip the file

TAR-XVF qt-everywhere-opensource-src-4.8.0.tar.gz

2. Execute the sudo apt-get install build-essential. If you are prompted to find a package, you can update the source. method to edit the source list for sudo gedit/etc/apt/sources.list. Then execute sudo apt-get update

3. Go to the folder to execute the./configure, then select O (Open source), then select Yes (agree). After running, prompt just run ' make ' to indicate that this step is successful.

4.make. To perform make, this step takes a long time.

Recommended: Ubuntu qt ffmpeg installation configuration

[FFmpeg QT Development Error: 1. Add #ifndef Uint64_c (val) to Common.h #define Uint64_c (val) val# #ULL #endif但是出现/usr/local/inclu DE/LIBAVUTIL/COMMON.H:30:

You can add the following options:

-K When an error occurs, continue compiling as far as possible;

-j N compiles at the same time, it is recommended that the value of n is your CPU core number X1.5. such as: Make–k–j 4.

5. Install QT. Execute sudo make install, file installed in/usr/local/trolltech/qt-4.8.6

6. Set environment variables. Execute gedit ~/.BASHRC Add the following:
qtdir=/usr/local/trolltech/qt-4.8.6/
Path= $QTDIR/bin: $PATH
Manpath= $QTDIR/doc/man: $MANPATH
Ld_library_path= $QTDIR/lib: $LD _library_path
Export Qtdir PATH MANPATH Ld_library_path
Restart later.

9. Next, you can follow
Qmake-project
Qmake
Make
Steps to perform the QT program, but may encounter qmake can not find the situation, this time input sudo apt-get indtall qt4-dev-tools on it, this step is to install designer/assistant.

10. Install QT Creator.

Find the download directory, first modify the permissions sudo chmod +x qt-creator-linux-x86-opensource-2.4.1.bin Where Qt-creator-linux-x86-opensource-2.4.1.bin is the file name of the newly downloaded QT creator 2.4.1 for linux/x11 32-bit (65MB). Then execute the command./Qt Creator 2.4.1 for linux/x11 32-bit (65MB) The graphical installation interface appears.

Http://www.itboth.com/d/YVZjq2mqYJJz/trolltech-opensource-ubuntu-linux-qtcreator

Ubuntu installation configuration QT 4.86 Environment