prepare: git clone git://gcc.gnu.org/git/gcc.git cd gcc gcc: sed -i '/m64=/s/lib64/lib/' gcc/gcc/config/i386/t-linux64 sed -i 's/lib64/lib/' gcc/gcc/config/i386/linux64.h mkdir build cd build ./configure --prefix=${PREFIX}/usr --enable-languages=c,c++,d,fortran,go,objc,obj-c++ make install: make install DESTDIR="${PREFIX}" ln -s gcc "$1/usr/bin/cc" install -Dm755 ../c99 "$1/usr/bin/c99" uninstall: rm -rf /usr/bin/gcc