Comment 3 for bug 749249

tried building with pdebuild. This is still failing to build. here is where build failed for me.

g++ -Wl,-Bsymbolic-functions -L/usr/local/lib -o propmerge propmerge.o -lsgprops -lsgxml -lsgio -lsgmisc -lsgdebug -lsgstructure -losgParticle -losgSim -losgViewer -losgGA -losgText -losgDB -losgUtil -losg -lOpenThreads -ljpeg -losgFX -lglut -lGLU -lGL -lXmu -lXt -lSM -lICE -lXi -lXext -lX11 -lrt -ldl -lm
/usr/lib/libsgtiming.so.2.0.0: undefined reference to `clock_gettime'
/usr/lib/libsgtiming.so.2.0.0: undefined reference to `SGPath::set(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
/usr/lib/libsgstructure.so: undefined reference to `OpenThreads::Mutex::lock()'
/usr/lib/libsgstructure.so: undefined reference to `OpenThreads::Mutex::Mutex()'
/usr/lib/libsgprops.so: undefined reference to `SGPath::dir() const'
/usr/lib/libsgstructure.so: undefined reference to `OpenThreads::Mutex::unlock()'
/usr/lib/libsgprops.so: undefined reference to `SGPath::~SGPath()'
/usr/lib/libsgprops.so: undefined reference to `SGPath::create_dir(unsigned int)'
/usr/lib/libsgprops.so: undefined reference to `SGPath::append(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
/usr/lib/libsgprops.so: undefined reference to `SGPath::SGPath(std::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)'
/usr/lib/libsgstructure.so: undefined reference to `OpenThreads::Mutex::~Mutex()'
collect2: ld returned 1 exit status
make[3]: *** [propmerge] Error 1
make[3]: Leaving directory `/tmp/buildd/flightgear-2.0.0/utils/propmerge'
make[2]: *** [all-recursive] Error 1
make[2]: Leaving directory `/tmp/buildd/flightgear-2.0.0/utils'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory `/tmp/buildd/flightgear-2.0.0'
make: *** [build-stamp] Error 2
dpkg-buildpackage: error: debian/rules build gave error exit status 2
E: Failed autobuilding of package
I: unmounting /var/cache/pbuilder/ccache filesystem
I: unmounting dev/pts filesystem
I: unmounting proc filesystem
I: cleaning the build env
I: removing directory /var/cache/pbuilder/build//6403 and its subdirectories