i'm tryibg to install ffmpeg, and i have all dependencies instaled except x265, but when i have this error:

2016-05-18 15:20:40,963 runpy ERROR build failed (first 300 chars): cmd " cmake . -DCMAKE_INSTALL_PREFIX=/opt/librarieshpc/easybuild/software/x265/1.9-goolf-1.7.20 -DCMAKE_C_COMPILER='gcc' -DCMAKE_Fortran_FLAGS='-O2 -march=native' -DCMAKE_CXX_FLAGS='-O2 -march=native' -DCMAKE_CXX_COMPILER='g++' -DCMAKE_Fortran_COMPILER='gfortran' -DCMAKE_C_FLAGS='-O2 -march=native' (at easybuild/software/EasyBuild/2.6.0/lib/python2.7/site-packages/easybuild_framework-2.6.0-py2.7.egg/easybuild/main.py:116 in build_and_install_software)
== 2016-05-18 15:20:40,968 runpy ERROR Build of /opt/librarieshpc/easybuild/software/EasyBuild/2.6.0/lib/python2.7/site-packages/easybuild_easyconfigs-2.6.0-py2.7.egg/easybuild/easyconfigs/x/x265/x265-1.9-goolf-1.7.20.eb failed (err: 'build failed (first 300 chars): cmd " cmake . -DCMAKE_INSTALL_PREFIX=/opt/librarieshpc/easybuild/software/x265/1.9-goolf-1.7.20 -DCMAKE_C_COMPILER='gcc' -DCMAKE_Fortran_FLAGS='-O2 -march=native' -DCMAKE_CXX_FLAGS='-O2 -march=native' -DCMAKE_CXX_COMPILER='g++' -DCMAKE_Fortran_COMPILER='gfortran' -DCMAKE_C_FLAGS='-O2 -march=native' ') (at easybuild/software/EasyBuild/2.6.0/lib/python2.7/site-packages/easybuild_framework-2.6.0-py2.7.egg/easybuild/main.py:148 in build_and_install_software)
ERROR: Build of /opt/librarieshpc/easybuild/software/EasyBuild/2.6.0/lib/python2.7/site-packages/easybuild_easyconfigs-2.6.0-py2.7.egg/easybuild/easyconfigs/x/x265/x265-1.9-goolf-1.7.20.eb failed (err: 'build failed (first 300 chars): cmd " cmake . -DCMAKE_INSTALL_PREFIX=/opt/librarieshpc/easybuild/software/x265/1.9-goolf-1.7.20 -DCMAKE_C_COMPILER='gcc' -DCMAKE_Fortran_FLAGS='-O2 -march=native' -DCMAKE_CXX_FLAGS='-O2 -march=native' -DCMAKE_CXX_COMPILER='g++' -DCMAKE_Fortran_COMPILER='gfortran' -DCMAKE_C_FLAGS='-O2 -march=native' ')

here i atach the log