Compile Qt 5.3 for Windows XP with VS2012/2013 [SOLUTION!]
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I've struggled with this ever since we moved to VS2012 ( and now VS2013 ). Getting binaries that work for Windows XP with qmake was a pain and required editing sources left and right. But a commit that dropped about a month ago has finally taken the pain away!
I ended up finding this commit because the mkspec for vs2013 has a new variable: QMAKE_SUBSYSTEM_SUFFIX, a quick search led me to the commit:
https://qt.gitorious.org/qt/qtbase/commit/10a0ac759e26e27751ae96d02eb1e260ab371194
Basically all that you need to do when compiling Qt is add -target xp to the configure command line.
Thanks to Joerg for adding this feature!
Edit: parameter -target xp
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So -platform xp will work in the upcoming Qt 5.3? If so, excellent news, I have to support Windows XP.
Note: even with this, you still cannot use VS2012 RTM for XP deployment, you have to update it, best one is "Update 4":http://www.microsoft.com/en-us/download/details.aspx?id=39305 But VS2013 works out of the box :-)
(Also I have to change my "blog post about Qt and XP":http://www.tripleboot.org/?p=423 )
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Good point on VS2012 update.
I confirmed this with 5.3.0 RC. Qt built with -target xp will work on XP, and so will all executables built with said qmake.
edit: fixed parameter.
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Nice! When using Qt 5.3, I see no reason not to include -platform xp in all projects (well maybe not if you're 100% positive it will not run on XP).
After all, the MinGW compiler uses /SUBSYSTEM:WINDOWS,4 (not 5.0x, i.e. compatible for Windows NT4) for all projects.
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I agree, at least for 32 bit builds. My 64 bit builds I am building without the xp parameter. I believe that might only exclude XP 64, which is not very common at all. I've been doing that for a while and have not heard any complains from my users. ( so far :D )
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Just noticed that I still need to define set CL=/D_USING_V110_SDK71_ for applications built with qmake.
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I belive it's "-target xp" as an option to target Windows XP, not "-platform xp".
ICU libraries should be recompiled too.
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ab_it, you are right. Fixed in first post.
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I just started testing Qt and installed the precompiled Qt 5.3.0 for Windows 32-bit (VS 2013, OpenGL, 616 MB) installer. Seems to work very nice so I decided to get deeper into it but I couldn't deploy my app for XP.
Did I get this right? I need to build Qt myself instead of using the prebuild one if I want to support WindowsXP?
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Hi, no it's not that bad, while it's correct that if (when using VS2012 and VS2013) you want to support XP "out of the box", you have to rebuild Qt; you can still, by a simple setting in Projects/Build Environment, deploy any Qt app to Windows XP.
Wrote a "blog post":http://www.tripleboot.org/?p=423 how to set it.
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[quote author="hskoglund" date="1401950279"]you can still, by a simple setting in Projects/Build Environment, deploy any Qt app to Windows XP.
Wrote a "blog post":http://www.tripleboot.org/?p=423 how to set it.
[/quote]Thanks a lot, works like a charm. Stupid me already looked at that blog of yours - just didn't realized it's good for 2013 aswell.
