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Necessity of a 64bit Windows version? #5

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jsbackus opened this Issue May 28, 2016 · 3 comments

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jsbackus commented May 28, 2016

I wasn't part of the original conversation, so please forgive my ignorance, but are there any situations where a 64bit Windows version is required? I understand the need on Linux, since multilib isn't free. But, to my knowledge, there isn't a big difference between 32bit applications and 64bit applications, as long as you don't need the extra resources. I'm willing to support a 64bit version if there is a legitimate requirement for it. If not, then I'd like to reduce the number of build permutations.... Thoughts?

@jsbackus jsbackus added the question label May 29, 2016

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jsbackus Jun 5, 2016

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Looks like the qtx64 project at SourceForge has been abandoned and files removed. There is a qt64-NG project that has been abandoned, but at least there is still an installer for Qt 5.5.0.

There is a wiki page on the official Qt wiki for building with MinGW-64. It seems to contain a mix of outdated and updated information, but at least is a good starting point for anyone wanting to build Qt for Win64.

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jsbackus commented Jun 5, 2016

Looks like the qtx64 project at SourceForge has been abandoned and files removed. There is a qt64-NG project that has been abandoned, but at least there is still an installer for Qt 5.5.0.

There is a wiki page on the official Qt wiki for building with MinGW-64. It seems to contain a mix of outdated and updated information, but at least is a good starting point for anyone wanting to build Qt for Win64.

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Nucleoprotein Jun 19, 2016

You can download Qt from official site https://www.qt.io/download-open-source but x64 build are available only for Visual Studio compilers.

Nucleoprotein commented Jun 19, 2016

You can download Qt from official site https://www.qt.io/download-open-source but x64 build are available only for Visual Studio compilers.

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jsbackus Jun 21, 2016

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@Nucleoprotein Thanks! That is what I was afraid of. For the time being, I'd like to stick with the MinGW build. If there is a compelling reason to build a 64bit version for Windows, we may revisit this.

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jsbackus commented Jun 21, 2016

@Nucleoprotein Thanks! That is what I was afraid of. For the time being, I'd like to stick with the MinGW build. If there is a compelling reason to build a 64bit version for Windows, we may revisit this.

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