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Re: GCC 4.7 compiles with llvm-gcc-4.2 but not with GCC 4.6.2
On 16 January 2012 14:49, Hans Aberg wrote:
> On 16 Jan 2012, at 15:31, Jonathan Wakely wrote:
>
>>> The config.log of this directory just indicates a program doing the check that will fail (now overwritten by new ./configure && make).
>>
>> Do not run ./configure, see http://gcc.gnu.org/wiki/InstallingGCC and
>> http://gcc.gnu.org/wiki/FAQ#configure and
>> http://gcc.gnu.org/install/configure.html - you have to try pretty
>> hard to avoid that tip if you read any installation docs at all.
>
> Too late! Actually, I ended up on
> ?http://gcc.gnu.org/svn.html
> which does not say anything about install. Perhaps add a note.
The installation docs are already linked from the front page. Anyone
wanting to install GCC should probably read them.
> It is a good idea to do it from outside the directory - 'make clean' does not work.
Yes, that's one of many reasons not to run ./configure. Building
outside the source tree means you can just delete the entire build
directory and start again.