When executing cmake ../OpenSceneGraph -DCMAKE_BUILD_TYPE=Release i get the following output.
-- The C compiler identification is GNU
-- The CXX compiler identification is GNU
-- Check for working C compiler: /usr/bin/gcc
-- Check for working C compiler: /usr/bin/gcc -- works
-- Detecting C compiler ABI info
-- Detecting C compiler ABI info - done
-- Check for working CXX compiler: /usr/bin/c++
-- Check for working CXX compiler: /usr/bin/c++ -- works
-- Detecting CXX compiler ABI info
-- Detecting CXX compiler ABI info - done
-- Looking for include files CMAKE_HAVE_PTHREAD_H
-- Looking for include files CMAKE_HAVE_PTHREAD_H - found
-- Looking for pthread_create in pthreads
-- Looking for pthread_create in pthreads - not found
-- Looking for pthread_create in pthread
-- Looking for pthread_create in pthread - found
-- Found Threads: TRUE
-- Looking for XOpenDisplay in /usr/lib/x86_64-linux-gnu/libX11.so;/usr/lib/x86_64-linux-gnu/libXext.so
-- Looking for XOpenDisplay in /usr/lib/x86_64-linux-gnu/libX11.so;/usr/lib/x86_64-linux-gnu/libXext.so - found
-- Looking for gethostbyname
-- Looking for gethostbyname - found
-- Looking for connect
-- Looking for connect - found
-- Looking for remove
-- Looking for remove - found
-- Looking for shmat
-- Looking for shmat - found
-- Looking for IceConnectionNumber in ICE
-- Looking for IceConnectionNumber in ICE - found
-- Found X11: /usr/lib/x86_64-linux-gnu/libX11.so
-- Found OpenGL: /usr/lib/x86_64-linux-gnu/libGL.so
-- Found LibXml2: /usr/lib/x86_64-linux-gnu/libxml2.so
-- checking for module 'gta'
-- package 'gta' not found
-- Found CURL: /usr/lib/x86_64-linux-gnu/libcurl.so
-- Found OpenAL: /usr/lib/x86_64-linux-gnu/libopenal.so
-- checking for module 'cairo'
-- found cairo, version 1.10.2
-- checking for module 'poppler-glib'
-- found poppler-glib, version 0.18.4
-- Performing Test POPPLER_HAS_CAIRO
-- Performing Test POPPLER_HAS_CAIRO - Success
-- checking for module 'librsvg-2.0'
-- found librsvg-2.0, version 2.36.1
-- checking for module 'gtk+-2.0'
-- found gtk+-2.0, version 2.24.10
-- checking for module 'gtkglext-x11-1.0'
-- found gtkglext-x11-1.0, version 1.2.0
-- Looking for Q_WS_X11
-- Looking for Q_WS_X11 - found
-- Looking for Q_WS_WIN
-- Looking for Q_WS_WIN - not found.
-- Looking for Q_WS_QWS
-- Looking for Q_WS_QWS - not found.
-- Looking for Q_WS_MAC
-- Looking for Q_WS_MAC - not found.
-- Found Qt4: /usr/bin/qmake (found version "4.8.1")
-- Found JPEG: /usr/lib/x86_64-linux-gnu/libjpeg.so
-- Found ZLIB: /usr/lib/x86_64-linux-gnu/libz.so (found version "1.2.3.4")
-- Found PNG: /usr/lib/x86_64-linux-gnu/libpng.so
-- Found TIFF: /usr/lib/x86_64-linux-gnu/libtiff.so
-- Performing Test _OPENTHREADS_ATOMIC_USE_GCC_BUILTINS
-- Performing Test _OPENTHREADS_ATOMIC_USE_GCC_BUILTINS - Success
-- Performing Test _OPENTHREADS_ATOMIC_USE_MIPOSPRO_BUILTINS
-- Performing Test _OPENTHREADS_ATOMIC_USE_MIPOSPRO_BUILTINS - Failed
-- Performing Test _OPENTHREADS_ATOMIC_USE_SUN
-- Performing Test _OPENTHREADS_ATOMIC_USE_SUN - Failed
-- Performing Test _OPENTHREADS_ATOMIC_USE_WIN32_INTERLOCKED
-- Performing Test _OPENTHREADS_ATOMIC_USE_WIN32_INTERLOCKED - Failed
-- Performing Test _OPENTHREADS_ATOMIC_USE_BSD_ATOMIC
-- Performing Test _OPENTHREADS_ATOMIC_USE_BSD_ATOMIC - Failed
-- Looking for pthread_yield
-- Looking for pthread_yield - not found
-- Looking for sched_yield
-- Looking for sched_yield - found
-- Looking for pthread_setconcurrency
-- Looking for pthread_setconcurrency - not found
-- Looking for pthread_getconcurrency
-- Looking for pthread_getconcurrency - not found
-- Looking for pthread_setaffinity_np
-- Looking for pthread_setaffinity_np - not found
-- Performing Test HAVE_THREE_PARAM_SCHED_SETAFFINITY
-- Performing Test HAVE_THREE_PARAM_SCHED_SETAFFINITY - Success
-- checking for module 'xrandr'
-- found xrandr, version 1.3.2
-- Looking for gethostbyname in nsl
-- Looking for gethostbyname in nsl - found
-- Looking for socket in socket
-- Looking for socket in socket - not found
My concern is that things regarding pthread(s) is not found.