linux install gcc 4.8

本身升級gcc 的時候大概參考別人的一份簡記 能夠大概看看做參考 

查看別人安裝成功的系統和版本，對應着本身的系統進行安裝

https://gcc.gnu.org/gcc-4.8/buildstat.html

下載解壓：

$ cd localbuild-gcc-4-8-3
localbuild-gcc-4-8-3$ tar -jxf gcc-4.8.3.tar.bz2
localbuild-gcc-4-8-3$ tar -jxf binutils-2.24.tar.bz2
localbuild-gcc-4-8-3$ tar -jxf gmp-5.1.3.tar.bz2
localbuild-gcc-4-8-3$ tar -jxf mpfr-3.1.2.tar.bz2
localbuild-gcc-4-8-3$ tar -jxf mpc-1.0.1.tar.bz2
localbuild-gcc-4-8-3$ tar -jxf isl-0.12.2.tar.bz2
localbuild-gcc-4-8-3$ tar -xzf cloog-0.18.1.tar.gz

創建軟鏈接

localbuild-gcc-4-8-3$ mkdir combined && cd combined

#Create symlinks to the gcc source tree - Files in the gcc tree are master copy.
#So, maintain the following order without fail.  
localbuild-gcc-4-8-3/combined$ ln -s ../gcc-4.8.3/* .

#Create symlinks to the binutils source tree. Ignore several complaints from ln about existing links
localbuild-gcc-4-8-3/combined$ ln -s ../binutils-2.24/* .

#Create symlinks to GMP,MPFR,MPC,ISL,CLOOG source trees without version numbers in links
localbuild-gcc-4-8-3/combined$ ln -s ../gmp-5.1.3 gmp 
localbuild-gcc-4-8-3/combined$ ln -s ../mpfr-3.1.2 mpfr 
localbuild-gcc-4-8-3/combined$ ln -s ../mpc-1.0.1 mpc 
localbuild-gcc-4-8-3/combined$ ln -s ../isl-0.12.2 isl 
localbuild-gcc-4-8-3/combined$ ln -s ../cloog-0.18.1 cloog

congifure編譯

localbuild-gcc-4-8-3/combined$ cd .. 
localbuild-gcc-4-8-3$ mkdir build && cd build  

#Export build environment variables. For native build, host=build=target

#To know host info, use config.guess script 
localbuild-gcc-4-8-3/build$ ../combined/config.guess
i686-pc-linux-gnu

localbuild-gcc-4-8-3/build$ export host=i686-pc-linux-gnu
localbuild-gcc-4-8-3/build$ export build=$host
localbuild-gcc-4-8-3/build$ export target=$host
localbuild-gcc-4-8-3/build$ export prefix=/usr/local/gcc-4-8-3 

#Configure - Enabling 'C','C++' languages
#Configuring combined-tree - Since it includes binutils, --enable-shared NOT to be used. Build fails in stage2 if this option is used. You have been warned.
localbuild-gcc-4-8-3/build$ ../combined/configure --host=$host --build=$build --target=$target --prefix=/usr/local/gcc-4-8-3 --disable-nls --disable-werror --disable-multilib --enable-__cxa_atexit --enable-c99 --enable-long-long --enable-threads=posix --enable-checking=release --enable-libstdcxx-time --enable-languages=c,c++

#Parallel Build
localbuild-gcc-4-8-3/build$ make -j4

安裝

#Install the toolchain
localbuild-gcc-4-8-3/build$ make install

參考文章：

http://www.linuxidc.com/Linux/2014-04/99583p2.htm  很是好的國內文章

https://raghunathlolur.wordpress.com/2014/06/30/combined-tree-build-of-gcc-binutils-and-libraries/ 很是好的一篇文章

http://my.oschina.net/vaero/blog?disp=2&p=1&catalog=375415 不錯