[CMake] CMake can't find the correct Qt installation paths

[Michael Jackson]

Don't rename the Qt installation path after you install Qt. This is a well known way to have problems. If you want Qt in C:/Qt/QtSDL then INSTALL it in that path or build it in that path.
  There are various ways to mess around with a qt.conf file that may help out but the path to the Qt installation is hard coded in ALL the qt libraries and executables.

  Just a piece of advice from the trenches.
--
Mike Jackson <www.bluequartz.net>

On Sep 7, 2012, at 7:37 AM, NoRulez wrote:

> Hello,
> 
> when I install Qt to the location C:\Qt\QtSDK and then I run cmake, everything is working fine.
> But if I rename the directory to C:\Qt\QtSDL then cmake have problems to find Qt because qmake.exe isn't patched.
> 
> In qmake.exe the path to the libraries are set to "C:\Qt\QtSDK\..." which is also used for the query command.
> 
> So, if i patch qmake.exe (Rename the directory in the qmake.exe file => works only if the length of the directory name is the same),
> cmake works fine but the problem is, that cmake tries to find out the location of libraries and so on from the query, which is wrong in my oppinion,
> because if I want to move the custom build Qt library to another location then cmake doesn't find Qt.
> 
> For example when I rename the directory to C:\Qt\QtSDL and run qmake -query:
> QT_INSTALL_PREFIX:C:\Qt\QtSDK\Desktop\Qt\4.8.1\mingw
> QT_INSTALL_DATA:C:\Qt\QtSDK\Desktop\Qt\4.8.1\mingw\
> QT_INSTALL_DOCS:C:\Qt\QtSDK\Desktop\Qt\4.8.1\mingw\doc
> QT_INSTALL_HEADERS:C:\Qt\QtSDK\Desktop\Qt\4.8.1\mingw\include
> QT_INSTALL_LIBS:C:\Qt\QtSDK\Desktop\Qt\4.8.1\mingw\lib
> QT_INSTALL_BINS:C:\Qt\QtSDK\Desktop\Qt\4.8.1\mingw\bin
> QT_INSTALL_PLUGINS:C:\Qt\QtSDK\Desktop\Qt\4.8.1\mingw\plugins
> QT_INSTALL_IMPORTS:C:\Qt\QtSDK\Desktop\Qt\4.8.1\mingw\imports
> QT_INSTALL_TRANSLATIONS:C:\Qt\QtSDK\Desktop\Qt\4.8.1\mingw\translations
> QT_INSTALL_CONFIGURATION:C:/Qt/QtSDK/Desktop/Qt/4.8.1/mingw
> QT_INSTALL_EXAMPLES:C:\Qt\QtSDK\Examples\4.7
> QT_INSTALL_DEMOS:C:\Qt\QtSDK\Demos\4.7
> QMAKE_MKSPECS:C:\Qt\QtSDK\Desktop\Qt\4.8.1\mingw\\mkspecs
> QMAKE_VERSION:2.01a
> QT_VERSION:4.8.1
> 
> When I run it from the drive letter D:, E:, F:, ..., then the result is the same.
> 
> Best Regards
> NoRulez
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