zz-jason/build-gcc-from-source.md

## build-gcc-from-source.md

      
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              build-gcc-from-source.md
            
          
    Build GCC from source

Download:
wget https://ftp.tsukuba.wide.ad.jp/software/gcc/releases/gcc-12.3.0/gcc-12.3.0.tar.gz
tar zxf gcc-12.3.0.tar.gz
cd gcc-12.3
./contrib/download_prerequisites

Config && build:
mkdir build install
cd build

../configure --prefix=/home/jian.z/code/gcc-12.3.0/install --disable-multilib
make -j `nproc`
make install

Environment variables:
CC=/home/jian.z/code/gcc-12.3.0/install/bin/gcc
CXX=/home/jian.z/code/gcc-12.3.0/install/bin/g++
LD_LIBARARY_PATH=/home/jian.z/code/gcc-12.3.0/install/lib64:$LD_LIBARARY_PATH

References


Installing GCC: https://gcc.gnu.org/install/index.html
GCC mirror sites: https://gcc.gnu.org/mirrors.html