lftpget ftp.gnu.org:/gnu/gcc/gcc-3.4.1/gcc-core-3.4.1.tar.gz
tar xvfz gcc-core-3.4.1.tar.gz
cd gcc-core-3.4.1
./configure --prefix=/usr/local/gcc-3.4.1
make
make install
then
export CC=/usr/local/gcc-3.5.1/bin/gcc
might need to mess with CPPFLAGS or CXXFLAGS env variables too.
-- netmask
Horvath Andras (andras.horvath@xxxxxxxxxxxxx) composed today:
Hi,
I am working on developing scientific flow simulation codes in C (number crunching). I would like to try whether gcc-3.4.1 generates significantly better code than gcc-3.3.3 in FC2. (In release notes of gcc-3.4.1 a lot of improvement in optimization is issued.)
How can I install gcc-3.4.1 on FC2 so that original gcc remain untouched? (As I know, replacing gcc with a newer version can arise problems. Or is it false?) I want to use gcc-3.4.1 for compiling my own C codes only.
Thank you in advance,
András
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