Re: compile gcc and library

[Andrew Haley <aph@xxxxxxxxxx>]

On 05/25/2012 04:22 PM, Ángel González wrote:
> On 25/05/12 10:30, Andrew Haley wrote:
>> On 05/24/2012 06:40 PM, Xin Tong wrote:
>>> I am looking for an older version of gcc ( gcc version 3.4.X). I can
>>> not find it in my os software repository. therefore i decide to
>>> download the source and compile it myself.  I am looking at this
>>> download link and have a few questions.
>> This is going to be tricky.  Older versions of gc generally don't
>> compile with newer versions, and you'll have to do some fixing
>> up.

> I thought the minimum compiler requirements for the bootstrap compiler
> where very limited.
> Isn't it even backwards compatible for one version? (ie. you can use
> version X
> to build X-1, then X-1 to build X-2...)

Not usually. Very old versions of gcc were often written in semi-broken
nonstandard C.

Andrew.