安装gcc

先安装m4

先安装：gmp-6.1.0

在按照mpfr-3.1.4

:./configure --prefix=/local_data1/GUEST/med_train/software/gcc-7.2.0/mpfr-3.1.4 --with-gmp-include=/local_data1/GUEST/med_train/software/gcc-7.2.0/gmp-6.1.0/include --with-gmp-lib=/local_data1/GUEST/med_train/software/gcc-7.2.0/gmp-6.1.0/lib

make && make check && make install

再安装:mpc

./configure --prefix=/local_data1/GUEST/med_train/software/gcc-7.2.0/mpc-1.0.3 --with-mpfr=/local_data1/GUEST/med_train/software/gcc-7.2.0/mpfr-3.1.4 --with-gmp=/local_data1/GUEST/med_train/software/gcc-7.2.0/gmp-6.1.0

make && make check && make install

再安装：isl

不能直接在源目录下编译：

./configure --prefix=/local_data1/GUEST/med_train/software/gcc-7.2.0/isl016/ --with-gmp-prefix=/local_data1/GUEST/med_train/software/gcc-7.2.0/gmp-6.1.0

最后安装：gcc

./configure --prefix=/local_data1/GUEST/med_train/software/gcc --with-mpc=/local_data1/GUEST/med_train/software/gcc-7.2.0/mpc-1.0.3 --with-mpfr=/local_data1/GUEST/med_train/software/gcc-7.2.0/mpfr-3.1.4 --with-gmp=/local_data1/GUEST/med_train/software/gcc-7.2.0/gmp-6.1.0 --with-isl=/local_data1/GUEST/med_train/software/gcc-7.2.0/isl016 --disable-multilib

https://gcc.gnu.org/wiki/InstallingGCC