[CMake] CMake 2.7.8 cannot find boost installation While building PCL files.

[Joeri Friederich]

Hi Andreas.
This totally fixed my problem.
Cmake was using the wrong version of Mingw and the boost version document was also wrong. So it was looking for the wrong files in both version and compiler.Aka:libboost_thread-mgw44-mt-1_47.dll
Instead of:libboost_thread-mgw46-mt-1_49.dll 


SET (Boost_COMPILER  "-mgw46")  and changing the version document to the correct version fixed it.
Thanks alot!
Joeri.
Date: Thu, 12 Apr 2012 11:43:55 +0200
From: Andreas-Naumann at gmx.net
To: cmake at cmake.org
Subject: Re: [CMake] CMake 2.7.8 cannot find boost installation While building PCL files.






  
  


Hi,



you could set Boost_DEBUG and Boost_DETAILED_FAILURE_MSG to true and
have a look at the messages. 



I hope, this helps you.



Andreas



Am 12.04.2012 11:06, schrieb Joeri Friederich:

  
  
  Hi
  

  
  Im
trying to build PCL (Point cloud library) files using Cmake.
  It
needs a bunch if dependencies one of which is boost.
  It
finds all other dependencies without a hitch but it gives this error
for boost:
  

  
  The following Boost
libraries could not be found:
  boost_system
  boost_filesystem
  boost_thread
  boost_date_time
  boost_iostreams
  I
have been trying to fix  this for 2 days now.
  

  
  

  
  What
I did:
  I
build my own libraries with boost.build using the following commands:
  >b2
  >toolset=gcc
  >--build-dir=C:\boost
  >--build-type=complete
  This
build the library successfully.
  

  
  Adding
the files (libboost_thread-mgw46-mt-1_49.dll)  etc to the lib folder in
my boost installation doesn't allow cmake to find them though.
  It
does however find the include directory without a hitch.
  Even
manually linking Cmake  to the (correct) libraries doesn't allow it to
find them.
  

  
  How
do I get cmake to find these lib's? 
  

  
  Also:
  boost_thread doesnt exist on my computer but "libboost_thread-mgw46-mt-1_49.dll"
and 20 different versions of it with different letters at mt do.
  is
there a way that I can see what file Cmake is looking for exactly?
  
  

  
  

  
  Version
etc:
  Cmake:2.8.7
  Cmake
generator: Mingw makefiles
  Compiler:
GCC.
  Boost
v:1.49.0
  Windows
7
  

  
  Thanks
for any help,
  

  
  Joeri.
  
  
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