[手游新项目历程]-35-linux-升级gcc

./configure --prefix=/opt/gmp-4.3.2  
./configure --prefix=/opt/mpfr-2.4.2  --with-gmp=/opt/gmp-4.3.2  
./configure --prefix=/opt/mpc-0.8.1  --with-gmp=/opt/gmp-4.3.2 -with-mpfr=/opt/mpfr-2.4.2  
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/opt/mpc-0.8.1/lib:/opt/gmp-4.3.2/lib:/opt/mpfr-2.4.2/lib
./configure --prefix=/opt/gcc-4.9.1/ --enable-threads=posix --disable-checking --disable-multilib --with-gmp=/opt/gmp-4.3.2/ --with-mpfr=/opt/mpfr-2.4.2/ --with-mpc=/opt/mpc-0.8.1/ 

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