重新编译安装gcc-4.1.2(gcc版本降级)之TFS安装

wget http://gcc.parentingamerica.com/releases/gcc-4.1.2/gcc-4.1.2.tar.gz

tar -zxfv gcc-4.1.2.tar.gz

cd /usr/local/gcc-4.1.2

./configure  --prefix=/usr/local/gcc  --disable-multilib  --enable-languages=c,c++  --disable-checking

make

make install

mv /usr/bin/gcc  /usr/local/gcc

ln -s /usr/local/gcc/bin/gcc  /usr/bin/gcc

gcc -v

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[root@localhost gcc]# for i in `ls usr_bak/bin/`;do
> /usr/bin/$i -v
> done
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ./configure --prefix=/usr/local/gcc --disable-multilib --enable-languages=c,c++ --disable-checking
Thread model: posix
gcc version 4.1.2
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ./configure --prefix=/usr/local/gcc --disable-multilib --enable-languages=c,c++ --disable-checking
Thread model: posix
gcc version 4.1.2
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ./configure --prefix=/usr/local/gcc --disable-multilib --enable-languages=c,c++ --disable-checking
Thread model: posix
gcc version 4.1.2
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ./configure --prefix=/usr/local/gcc --disable-multilib --enable-languages=c,c++ --disable-checking
Thread model: posix
gcc version 4.1.2
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ./configure --prefix=/usr/local/gcc --disable-multilib --enable-languages=c,c++ --disable-checking
Thread model: posix
gcc version 4.1.2
Using built-in specs.
Target: x86_64-unknown-linux-gnu
Configured with: ./configure --prefix=/usr/local/gcc --disable-multilib --enable-languages=c,c++ --disable-checking
Thread model: posix
gcc version 4.1.2