MantisBT - CMake
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IDProjectCategoryView StatusDate SubmittedLast Update
0016015CMakeCMakepublic2016-03-12 16:522016-06-10 14:21
ReporterJulian Schmidt 
Assigned ToBrad King 
PrioritylowSeveritytrivialReproducibilityalways
StatusclosedResolutionfixed 
Platformx64OSCentOSOS Version6.7
Product VersionCMake 3.5 
Target VersionCMake 3.6Fixed in VersionCMake 3.6 
Summary0016015: 'cmake -U*' causes SIGABRT in cmGlobalGenerator::EnableLanguage()
DescriptionDoing 'cmake -U*' leads to a SIGABRT in cmGlobalGenerator::EnableLanguage() with the following message: "what(): basic_string::_S_construct NULL not valid".
Steps To ReproduceAt git tag "v3.5.0-rc3" do the following:

$ touch CMakeLists.txt
$ cmake .
[...]
$ cmake -U"*"
[...]
terminate called after throwing an instance of 'std::logic_error'
  what(): basic_string::_S_construct NULL not valid
Aborted (core dumped)
Additional InformationThe reason for the SIGABRT is that in EnableLanguage() an std::string is constructed from a char null-pointer.

This can be reproduced also at git tag "v2.6.0".

Note that the general issue of construction of std::strings from null pointers in CMake has already been reported in 0014005. But the concrete example given (and fixed) there is different from the one here.
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Issue History
Date ModifiedUsernameFieldChange
2016-03-12 16:52Julian SchmidtNew Issue
2016-03-14 10:51Brad KingNote Added: 0040674
2016-03-14 10:51Brad KingAssigned To => Brad King
2016-03-14 10:51Brad KingStatusnew => resolved
2016-03-14 10:51Brad KingResolutionopen => fixed
2016-03-14 10:51Brad KingFixed in Version => CMake 3.6
2016-03-14 10:51Brad KingTarget Version => CMake 3.6
2016-03-16 09:04Brad KingNote Edited: 0040674bug_revision_view_page.php?bugnote_id=40674#r2060
2016-06-10 14:21Kitware RobotNote Added: 0041226
2016-06-10 14:21Kitware RobotStatusresolved => closed

Notes
(0040674)
Brad King   
2016-03-14 10:51   
(edited on: 2016-03-16 09:04)
Thanks. This should fix it:

 Avoid depending on CMAKE_ROOT cache entry internally
 https://cmake.org/gitweb?p=cmake.git;a=commitdiff;h=3144857e [^]
(0041226)
Kitware Robot   
2016-06-10 14:21   
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