Re: [Seqan-dev] FYI: CMake - Seqan - OpenMP support

[Fabian Buske <f.buske@uq.edu.au>]

Awesome!

Cheers,
Fabian

On 10/05/11 4:45 PM, Manuel Holtgrewe wrote:
> Using the new structure, you have to do this yourself. Currently,
> OpenMP is already searched for on the top level structure, so the
> OPENMP_FOUND flags are available. However, you have to add the define
> yourself in your CMakeLists.txt. With the new structure, you are
> mostly responsible for adding dependencies yourself.
>
> For example:
>
> cmake_minimum_required (VERSION 2.6)
> project (sandbox_weese_apps_razers3)
>
> if (OPENMP_FOUND)
>     # We need a configuration header file.  First, configure this file,
> then
>     # add the target directory to the inclue path.
>     configure_file (${CMAKE_CURRENT_SOURCE_DIR}/config.h.in
>                     ${CMAKE_CURRENT_BINARY_DIR}/config.h)
>     include_directories(${CMAKE_CURRENT_BINARY_DIR})
>
>     # Enable OpenMP.
>     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${OpenMP_CXX_FLAGS}")
>
>     # Add executable for RazerS 3.
>     seqan_add_executable (razers3 razers.cpp)
> elseif (OPENMP_FOUND)
>     message(STATUS "Not building RazerS3, since OpenMP could not be
> found.")
> endif (OPENMP_FOUND)
>
> Am 10.05.2011 um 08:42 schrieb Fabian Buske:
>
> > Hi,
> >
> > After porting my project to the new structure I noticed that the
> > OpenMP
> > support didn't work properly anymore.
> >
> > In Xcode you always have to tick the "Enable OpenMP Support"
> > checkbox in
> > "Project Info/Build" after running the cmake command (which isn't too
> > much of a hassle).
> >
> > For the Makefile version one, however, seems to have to add some flags
> > to tell the compiler to do as it is told, i.e. for gcc:
> >
> > cmake ../.. -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="-fopenmp"
> >
> > seems to work. I assumed cmake would take care of this.
> >
> > Cheers,
> > Fabian
> >
> > --
> > Fabian Buske
> > Institute for Molecular Bioscience
> > The University of Queensland
> > Brisbane, Qld. 4072 Australia
> > Phone: (61)-(7)-334-62641
> >
> >
> > _______________________________________________
> > seqan-dev mailing list
> > seqan-dev@lists.fu-berlin.de
> > https://lists.fu-berlin.de/listinfo/seqan-dev


--
Fabian Buske
Institute for Molecular Bioscience
The University of Queensland
Brisbane, Qld. 4072 Australia
Phone: (61)-(7)-334-62641