>>>> here it stops, when i try to compile Gem from git:
>>> which compiler (gcc-version) is this?
>> gcc --version
>> gcc (GCC) 4.7.0 20120324 (prerelease)
>>> i pushed a change to Files.cpp that would include<unistd.h>, maybe this
>>> fixes the problem.
>>> please check (and tell us of success/failure)
>> Files.cpp problem dissapeared,
>> but it seems that the same problem is in plugins/recordV4L2/recordV4L2.cpp
>> i tried to include unistd.h and then it was ok
> any more such problems or are those the only 2 occurences?
>
there is one more in src/Base/CPPExtern.cpp
and maybe in some disabled features, like plugins(as it was in recordV4L2)
or assimp ./configure --without-assimp
plugins i compiled without this problem are
gem_filmAVIPLAY.so
gem_filmGMERLIN.so
gem_filmMPEG3.so
gem_filmQT4L.so
gem_imageJPEG.so
gem_imageMAGICK.so
gem_imageSGI.so
gem_imageTIFF.so
gem_modelOBJ.so
gem_recordQT4L.so
gem_recordV4L.so
gem_recordV4L2.so
gem_videoDC1394.so
gem_videoDV4L.so
gem_videoUNICAP.so
gem_videoV4L.so
gem_videoV4L2.so
gem_videoVLC.so