MantisBT - VTK
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IDProjectCategoryView StatusDate SubmittedLast Update
0011952VTK(No Category)public2011-03-09 12:232016-08-12 09:55
ReporterSean McBride 
Assigned ToDave DeMarle 
PrioritynormalSeverityminorReproducibilityalways
StatusclosedResolutionmoved 
PlatformOSOS Version
Product Version6.0.0 
Target VersionFixed in Version 
ProjectTBD
Typeincorrect functionality
Summary0011952: Regression: new compiler warning due to blind usage of gcc-only "-std=c99" compiler flag
DescriptionSince ParaView's HDF5 was merged into VTK in Dec 2010, a new compiler warning appeared when building VTK with clang:

clang: warning: argument unused during compilation: '-std=c99'

This comes from Utilities/vtkhdf5/CMakeLists.txt

#-----------------------------------------------------------------------------
# Compiler specific flags : Shouldn't there be compiler tests for these
#-----------------------------------------------------------------------------
IF (NOT WIN32)
  SET (CMAKE_C_FLAGS "${CMAKE_ANSI_CFLAGS} ${CMAKE_C_FLAGS} -std=c99 -
fomit-frame-pointer -finline-functions -fno-common")
ENDIF (NOT WIN32)

The comment is correct. "-std=c99" should not be blindly passed to any compiler, only to gcc.
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Issue History
Date ModifiedUsernameFieldChange
2011-03-09 12:23Sean McBrideNew Issue
2011-03-09 12:23Sean McBrideStatusbacklog => tabled
2011-03-09 12:23Sean McBrideAssigned To => David Partyka
2011-04-19 11:00Sean McBrideNote Added: 0026227
2011-04-21 14:44David PartykaNote Added: 0026238
2011-05-04 10:37Sean McBrideNote Added: 0026432
2013-07-22 20:33Dave DeMarleStatusbacklog => expired
2013-07-22 20:33Dave DeMarleNote Added: 0031286
2013-07-24 18:03Sean McBrideProject => TBD
2013-07-24 18:03Sean McBrideType => incorrect functionality
2013-07-24 18:03Sean McBrideNote Added: 0031331
2013-07-24 18:03Sean McBrideAssigned ToDavid Partyka => Dave DeMarle
2013-07-24 18:03Sean McBrideProduct Version => 6.0.0
2016-08-12 09:55Kitware RobotNote Added: 0037223
2016-08-12 09:55Kitware RobotStatusexpired => closed
2016-08-12 09:55Kitware RobotResolutionopen => moved

Notes
(0026227)
Sean McBride   
2011-04-19 11:00   
Note, when building with clang, if *no* warning flags are specified, this is the only warning nonetheless generated.
(0026238)
David Partyka   
2011-04-21 14:44   
Hi Sean, I just checked in a potential fix to vtk master. Can you please give it a try and let me know. Thanks!
(0026432)
Sean McBride   
2011-05-04 10:37   
hmmm, the warning still appears on my dashboard:

http://www.cdash.org/CDash/viewBuildError.php?type=1&buildid=1087878 [^]
(0031286)
Dave DeMarle   
2013-07-22 20:33   
Dave P no longer works on the project. If these old issues still exist in 6.0.0, reopen them and assign to Dave DeMarle
(0031331)
Sean McBride   
2013-07-24 18:03   
Issue still exists, but has workaround.
(0037223)
Kitware Robot   
2016-08-12 09:55   
Resolving issue as `moved`.

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