下载新版本
https://gcc.gnu.org/mirrors.html
解压
#tar -xvzf gcc-4.9.3.tar.gz
#cd gcc-4.9.3
下载依赖包
./contrib/download_prerequisites
安装依赖包
cd contrib
drwxr-xr-x 16 digoal users 4096 Jan 12 17:11 gmp-4.3.2
drwxr-xr-x 7 digoal users 20480 Jan 12 17:14 mpfr-2.4.2
drwxr-xr-x 5 digoal users 4096 Jan 12 17:15 mpc-0.8.1
drwxr-xr-x 9 digoal users 20480 Jan 12 17:18 isl-0.12.2
drwxr-xr-x 15 digoal users 4096 Jan 12 17:20 cloog-0.18.1
cd
tar -jxvf gmp-4.3.2.tar.bz2
cd gmp-4.3.2
./configure --prefix=/home/digoal/gmp
make -j 32 && make install
cd ..
tar -jxvf mpfr-2.4.2.tar.bz2
cd mpfr-2.4.2
./configure --prefix=/home/digoal/mpfr --with-gmp-include=/home/digoal/gmp/include --with-gmp-lib=/home/digoal/gmp/lib
make -j 32 && make install
cd ..
tar -zxvf mpc-0.8.1.tar.gz
cd mpc-0.8.1
./configure --prefix=/home/digoal/mpc --with-gmp=/home/digoal/gmp --with-mpfr=/home/digoal/mpfr
make -j 32 && make install
cd ..
tar -jxvf isl-0.12.2.tar.bz2
cd isl-0.12.2
./configure --prefix=/home/digoal/isl --with-gmp-prefix=/home/digoal/gmp
make -j 32 && make install -j 32
cd ..
tar -zxvf cloog-0.18.1.tar.gz
cd cloog-0.18.1
./configure --prefix=/home/digoal/cloog --with-isl-prefix=/home/digoal/isl --with-gmp-prefix=/home/digoal/gmp
make && make install
cd ..
tar -jxvf gcc-4.9.3.tar.bz2
cd gcc-4.9.3.tar
./configure --prefix=/home/digoal/gcc4.9.3 --with-mpc=/home/digoal/mpc --with-mpfr=/home/digoal/mpfr --with-gmp=/home/digoal/gmp --with-cloog=/home/digoal/cloog --with-isl=/home/digoal/isl --disable-multilib
--disable-isl-version-check
make -j 32 && make install -j 32
cd ..
编译gcc
#export LD_LIBRARY_PATH=/u02/digoal/cloog/lib:/u02/digoal/gmp/lib:/u02/digoal/isl/lib:/u02/digoal/mpc/lib:/u02/digoal/mpfr/lib:$LD_LIBRARY_PATH
#./configure --prefix=/u02/digoal/gcc4.9.3 --with-mpc=/u02/digoal/mpc --with-mpfr=/u02/digoal/mpfr --with-gmp=/u02/digoal/gmp --with-cloog=/u02/digoal/cloog --with-isl=/u02/digoal/isl --disable-isl-version-check --disable-multilib --disable-libatomic
make -j 32
make install -j 32
将环境变量加入/etc/profile
export LD_LIBRARY_PATH=
/u02/digoal/gcc4.9.3/lib:
/u02/digoal/cloog/lib:/u02/digoal/gmp/lib:/u02/digoal/isl/lib:/u02/digoal/mpc/lib:/u02/digoal/mpfr/lib:$LD_LIBRARY_PATH
export PATH=
/u02/digoal/gcc4.9.3/bin:$PATH
修改ld.so.conf
# vi /etc/ld.so.conf
/u02/digoal/gcc4.9.3/lib
/u02/digoal/cloog/lib
/u02/digoal/gmp/lib
/u02/digoal/isl/lib
/u02/digoal/mpc/lib
u02/digoal/mpfr/lib
# ldconfig
[参考]
1. https://gcc.gnu.org/install/prerequisites.html
