gcc 更新

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

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

[参考]

1. https://gcc.gnu.org/install/prerequisites.html