View source for Documentation/Nightly/Developers/Build Instructions/Prerequisites/Qt/Instal QtSDK1.2 Offline Linux 64

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{{mbox
| text = This page aims at describing the different steps required to install QtSDK 1.2 on Linux 64-bit so that Qt 4.7.4 libraries are also installed.
}}
==Installation Instructions==
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[[File:QtSDK12-linux-64bit-offline-custom-install-step0.png|800px|thumb|center|Set permission to be user executable]]
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[[File:QtSDK12-linux-64bit-offline-custom-install-step1.png|800px|thumb|center|Do the custom installation to ensure Qt 4.7.4 is installed ('''not by default''')]]
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[[File:QtSDK12-linux-64bit-offline-custom-install-step2.png|800px|thumb|center|'''Check Qt 4.7.4''' and uncheck useless components]]
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[[File:QtSDK12-linux-64bit-offline-custom-install-step3.png|800px|thumb|center|Important checks]]
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[[File:QtSDK12-linux-64bit-offline-custom-install-step4.png|800px|thumb|center|Accept licence]]
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[[File:QtSDK12-linux-64bit-offline-custom-install-step5.png|800px|thumb|center|Install 1/2]]
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[[File:QtSDK12-linux-64bit-offline-custom-install-step6.png|800px|thumb|center|Install 2/2]]
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[[File:QtSDK12-linux-64bit-offline-custom-install-step7.png|800px|thumb|center|Finish]]<br>
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[[File:QtSDK12-linux-64bit-offline-custom-install-step8.png|800px|thumb|center|Check installation is successful]]<br>
|}
==Potential Errors==
===Ubuntu 12.04===
On Ubuntu 12.04 the QtSDK installer may hang with xorg server process consuming 100% CPU. To avoid this issue, please add the following command line option: '''-style cleanlooks'''. See this forum page for more information: http://qt-project.org/forums/viewthread/17040