Building Synergy on Raspberry Pi

I'd like to use Synergy on my Raspberry (running RaspBMC), so I tried to compile it from the source code. After

./hm.sh conf -g1
./hm.sh build

I went to ./build/release to do

make

I've the following error :

[ 18%] Built target base
[ 18%] Building CXX object tools/CMakeFiles/cryptopp.dir/cryptopp562/3way.o
Assembler messages:
Error: unknown architecture `native'

Error: unrecognized option -march=native
cc1plus: error: bad value (native) for -march switch
make[2]: *** [tools/CMakeFiles/cryptopp.dir/cryptopp562/3way.o] Error 1
make[1]: *** [tools/CMakeFiles/cryptopp.dir/all] Error 2
make: *** [all] Error 2