Mmaps linking error(libpthread.s​o.0 need to be link)

[Megabat]

Hello,
i am trying to compile SkyFireEMU but when i hit 81% and start to link mmaps_generator i have this error:

Linking CXX executable mmaps_generator

/usr/bin/ld: /usr/local/lib/l​ibACE.so: undefined reference to symbol 'pthread_getspec​ific@@GLIBC_2.0'​

/lib/i386-linux-​gnu/libpthread.s​o.0: error adding symbols: DSO missing from command line

How i can fix this error? Thanks for any help

[testingwalker]

update the liberary and recompile again