MantisBT - CMake
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IDProjectCategoryView StatusDate SubmittedLast Update
0014046CMakeCMakepublic2013-03-28 05:252016-06-10 14:31
ReporterHeiko Nardmann 
Assigned ToKitware Robot 
PrioritynormalSeverityminorReproducibilityalways
StatusclosedResolutionmoved 
PlatformWindows 7 64BitOSWindowsOS Version7
Product VersionCMake 2.8.10.2 
Target VersionFixed in Version 
Summary0014046: no support for build directory being a symbolic link
DescriptionWhen setting up a symbolic link (no shortcut!!!) to the build directory and running CMake I get the following error:

CMake Error: The source directory "D:/test_SqlTreeModel_BasedOnRecursiveGroupAndEntityWithEntityInstances-build" is a file, not a directory.
Specify --help for usage, or press the help button on the CMake GUI.

I have setup a symbolic link to the real build directory to circumvent to problem with the 260 character path limit with Windows.
Steps To Reproduce1) Setup a project folder (e.g. within QtCreator).
2) Choose 'Run CMake' (from menu) and specify the real build folder parallel to the project folder.
3) Create a symbolic link to this real build folder (e.g. by using 'HardLinkShellExt'; see http://schinagl.priv.at/nt/hardlinkshellext/hardlinkshellext.html [^]).
4) Choose 'Run CMake' again and specify the symbolic link.
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Issue History
Date ModifiedUsernameFieldChange
2013-03-28 05:25Heiko NardmannNew Issue
2013-03-28 05:34Heiko NardmannNote Added: 0032716
2013-03-28 06:34Heiko NardmannNote Added: 0032717
2013-03-28 08:15Brad KingStatusnew => backlog
2016-06-10 14:28Kitware RobotNote Added: 0042256
2016-06-10 14:28Kitware RobotStatusbacklog => resolved
2016-06-10 14:28Kitware RobotResolutionopen => moved
2016-06-10 14:28Kitware RobotAssigned To => Kitware Robot
2016-06-10 14:31Kitware RobotStatusresolved => closed

Notes
(0032716)
Heiko Nardmann   
2013-03-28 05:34   
Using a junction instead of a symbolic link works. So this can be seen as a workaround. At the end support for Makefiles with UNC paths inside would be nice.
(0032717)
Heiko Nardmann   
2013-03-28 06:34   
Maybe 'http://homepage1.nifty.com/emk/symlink-1.06-src.zip' [^] helps when checking how to add support for this.

FILE_ATTRIBUTE_REPARSE_POINT is the flag to check for.

CMake needs a stat() wrapper.

The boost implementation on that part might be a good start point.
(0042256)
Kitware Robot   
2016-06-10 14:28   
Resolving issue as `moved`.

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