GCC 10.2 Ubuntu

sudo apt install build-essential wget m4 flex bison libgmp-dev libmpfr-dev libmpc-dev

mkdir src && cd src

tar -xvf ../gcc-10.2.0.tar.xz

cd gcc-10.2.0/

mkdir build && cd build

../gcc-10.2.0/configure -v --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu --prefix=/opt/gcc-10.2.0 --enable-checking=release --enable-languages=c,c++,d,fortran,go --disable-multilib --program-suffix=-10.2

make -j 12

make install-strip

export PATH="$PATH":/opt/gcc-10.2.0/bin

export LD_LIBRARY_PATH="$LD_LIBRARY_PATH":/opt/gcc-10.2.0/lib64


export CC=/opt/gcc-10.2.0/bin/gcc-10.2

export CXX=/opt/gcc-10.2.0/bin/g++-10.2


https://solarianprogrammer.com/2016/10/07/building-gcc-ubuntu-linux/

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