[CMake] cmake needs 2 runs to find boost

[Peter Steinbach]

I guess, nobody has a hint on what to look at or what to try?
Best,
Peter

On Tuesday, November 03, 2015 02:10:54 PM Peter Steinbach wrote:
> Hi to all,
> 
> I tested this with cmake 3.2.2 and 3.3.2 and still get the same problem.
> I'd like to use boost with gcc on windows 7 64bit. I installed boost and gcc
> with msys2 as I cannot use MSVC for the actual project I am looking into
> for this.
> 
> the funny thing, if I use the attached CMakeLists.txt on the machine and
> call: ```
> $ cmake -G "MSYS Makefiles" -DBOOST_ROOT=C:/msys64/mingw64 -
> DBOOST_LIBRARYDIR==C:/msys64/mingw64/lib ..
> -- The CXX compiler identification is GNU 4.9.2
> -- Check for working CXX compiler: C:/msys64/usr/bin/g++.exe
> -- Check for working CXX compiler: C:/msys64/usr/bin/g++.exe -- works
> -- Detecting CXX compiler ABI info
> -- Detecting CXX compiler ABI info - done
> -- Detecting CXX compile features
> -- Detecting CXX compile features - done
> setting win specific stuff
> CMake Error at C:/Program Files
> (x86)/CMake/share/cmake-3.2/Modules/FindBoost.cmake:1182 (message):
>   Unable to find the requested Boost libraries.
> 
>   Boost version: 1.57.0
> 
>   Boost include path: C:/msys64/mingw64/include
> 
>   Could not find the following static Boost libraries:
> 
>           boost_filesystem
>           boost_system
> 
>   No Boost libraries were found.  You may need to set BOOST_LIBRARYDIR to
> the directory containing Boost libraries or BOOST_ROOT to the location of
> Boost.
> Call Stack (most recent call first):
>   CMakeLists.txt:17 (FIND_PACKAGE)
> 
> 
> CMake Error at CMakeLists.txt:24 (MESSAGE):
>   Boost not found (C:/msys64/mingw64)
> 
> 
> -- Configuring incomplete, errors occurred!
> See also
> "C:/msys64/home/steinbac/development/cmake_sandbox/find_boost/build/CMakeFil
> es/CMakeOutput.log". $ cmake -G "MSYS Makefiles"
> -DBOOST_ROOT=C:/msys64/mingw64 -
> DBOOST_LIBRARYDIR==C:/msys64/mingw64/lib ..
> setting win specific stuff
> Boost 1.57 found __
> -- Configuring done
> -- Generating done
> -- Build files have been written to:
> C:/msys64/home/steinbac/development/cmake_sandbox/find_boost/build
> ```
> 
> I'd like to link statically to multithreaded libboost_*-mt.a from my app.
> But it proofes really hard to find Boost in the first place.
> Any ideas?
> 
> Peter

-- 
Peter Steinbach, Dr. rer. nat.
HPC Developer

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