CGAL users discussion list

[Adam Getchell <>]

> On Dec 10, 2014, at 12:03 AM, Sebastien Loriot (GeometryFactory) 
> <>
>  wrote:
> 
> On 12/10/2014 09:01 AM, Sebastien Loriot (GeometryFactory) wrote:
>> On 12/09/2014 09:28 PM, Adam Getchell wrote:
>>> Hello all,
>>> 
>>> I see that ~/CGAL-4.5/cmake/modules has FindTBB.cmake and UseTBB.cmake.
>>> 
>>> I apologize if this is a basic question, but how do I compile CGAL
>>> and/or my program to make use of it?
>>> 
>> 
>> In your cmake script you should have something like:
>> 
>>   find_package( TBB QUIET )
>> 
>>   if( TBB_FOUND )
>>     include(${TBB_USE_FILE})
>>     list(APPEND CGAL_3RD_PARTY_LIBRARIES ${TBB_LIBRARIES})
>>   endif()
>> 
>> Sebastien.
>> 
> 
> Note that only the Triangulation_3 and Mesh_3 packages have some 
> experimental parallelism support.
> 
> Sebastien.

Thanks again Sebastien!

It looks like TBB 4.3 is incompatible with <iostream> and <CGAL/Timer.h> on 
my platform.

┌─[adam][Hapkido][±][master ✗][~/CDT-plusplus]
└─▪ brew info tbb
tbb: stable 4.3-20141023 (bottled)
http://www.threadingbuildingblocks.org/
/usr/local/Cellar/tbb/4.3-20141023 (104 files, 1.9M) *
  Built from source with: --c++11
From: https://github.com/Homebrew/homebrew/blob/master/Library/Formula/tbb.rb
==> Options
--c++11
        Build using C++11 mode

For the code here:

https://github.com/acgetchell/CDT-plusplus

Here’s the output if I comment out all instances of CGAL/Timer.h:

https://gist.github.com/acgetchell/385be42d249e20a9b78c

Here’s the output with CGAL/Timer.h:

https://gist.github.com/acgetchell/a097d232859c318ecf69

When I uninstall tbb everything compiles:

┌─[adam][Hapkido][±][master ✗][~/CDT-plusplus]
└─▪ brew uninstall tbb
Uninstalling /usr/local/Cellar/tbb/4.3-20141023...
┌─[adam][Hapkido][±][master ✗][~/CDT-plusplus]
└─▪ ./build.sh 
-- The C compiler identification is AppleClang 6.0.0.6000054
-- The CXX compiler identification is AppleClang 6.0.0.6000054
-- Check for working C compiler using: Ninja
-- Check for working C compiler using: Ninja -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler using: Ninja
-- Check for working CXX compiler using: Ninja -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Build type: Release
-- USING CXXFLAGS = ' -O3 -DNDEBUG'
-- USING EXEFLAGS = '  
-Wl,-dylib_file,/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib:/System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGL.dylib
 '
-- Targetting Ninja
-- Using /usr/bin/c++ compiler.
-- DARWIN_VERSION=14
-- Mac Leopard detected
-- Requested component: Core
-- Requested component: MPFR
-- Requested component: GMP
-- Found Eigen3: /usr/local/include/eigen3 (found suitable version "3.2.2", 
minimum required is "3.1.0") 
-- Configuring done
-- Generating done
-- Build files have been written to: /Users/adam/CDT-plusplus/build
[11/11] Linking CXX executable unittests

Travis-CI agrees (I have not configured it to use TBB):

https://travis-ci.org/acgetchell/CDT-plusplus/builds/43806162

Regards,

Adam



> 
>>> 
>>> Adam Getchell
>>> about.me/adamgetchell
>>> 
>>> 
>> 
> 
> 
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