[Cmake] Conditional CMakeLists.txt on CMake version?

[Ken Martin]

Something like the following will work, 

  IF (CMAKE_MAJOR_VERSION MATCHES [1-9][0-9]*)
    IF (CMAKE_MINOR_VERSION MATCHES [2-9][0-9]*)
      SET(TIFF_RIGHT_VERSION 1)
    ENDIF (CMAKE_MINOR_VERSION MATCHES [2-9][0-9]*)
  ENDIF (CMAKE_MAJOR_VERSION MATCHES [1-9][0-9]*)

but... it would be really nice to have LESS GREATER. We would need to
agree on if the comparison would always be numeric or strcmp based.  I'd
say maybe have four keywords

LESS
GREATER
STRLESS
STRGREATER 

The only mods would be to cmIfCommand and cmElseCommand 

Ken



-----Original Message-----
From: cmake-admin at public.kitware.com
[mailto:cmake-admin at public.kitware.com] On Behalf Of Amitha Perera
Sent: Wednesday, May 22, 2002 6:37 PM
To: cmake at public.kitware.com
Subject: [Cmake] Conditional CMakeLists.txt on CMake version?

Is there a way to condition CMakeLists.txt on the CMake version? I'd
like to implement some changes to the vxl CMakeLists.txt files to use
some of the 1.3 functionality, without breaking the builds for 1.2
users. Something like
  IF( CMAKE<1.3 )
     do old stuff
  ELSE
     do new stuff
  ENDIF

Thanks,
Amitha.
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