https://golang.org/doc/install/gccgo
[gcc infrastructure packages]
ftp://gcc.gnu.org/pub/gcc/infrastructure
[bintuils compile: gold 옵션]
wget http://ftp.gnu.org/gnu/binutils/binutils-2.24.tar.gz
tar -zxf binutils-2.24.tar.gz
cd bintuils-2.24
mkdir build
cd build
../configure --enable-gold=default --prefix=/opt/gold --with-plugins
[gcc compile + gccgo]
wget ftp://gcc.gnu.org/pub/gcc/releases/gcc-4.9.2/gcc-4.9.2.tar.gz
tar -zxf gcc-4.9.2.tar.gz
cd gcc-4.9.2
mkdir build
cd build
../configure --prefix=/opt --mandir=/usr/share/man --infodir=/usr/share/info --enable-bootstrap --enable-threads=posix --enable-checking=release --with-system-zlib --enable-__cxa_atexit --disable-libunwind-exceptions --enable-gnu-unique-object --enable-languages=c,c++,objc,obj-c++,fortran,go --enable-java-awt=gtk --disable-dssi --with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre --enable-libgcj-multifile --enable-java-maintainer-mode --with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib --with-ppl --with-cloog --with-tune=generic --with-arch_32=i686 --with-ld=/opt/gold/bin/ld --enable-static --disable-multilib
make
make install