GCCMain not found & test suite errors fatal?

[Andrew Haley]

On 01/05/2010 02:43 AM, John Poole wrote:
> On 1/4/2010 3:28 AM, Bryce McKinlay wrote:
>> On Sun, Jan 3, 2010 at 6:59 PM, Andrew Haley <aph@redhat.com 
>> <mailto:aph@redhat.com>> wrote:
>>
>>
>>     > It was created by configure, which was
>>     > generated by GNU Autoconf 2.64.  Invocation command line was
>>     >
>>     >    $ ../trunk/configure --enable-languages=java
>>
>>     Oh right, that's the problem then.  You need to set the prefix with
>>     --prefix=/usr/local/gcj and then do "make install" to install gcj in
>>     the correct place.
>>
>>     I'm sure that's in the instructions.
>>
>>
>> As part of GCC, gcj "should" from in any location, however, even if 
>> you move it after installation. If this path is hardcoded then I'd say 
>> that's a bug.

> Here's what caused me to do what I did:
> 
> http://gcc.gnu.org/install/finalinstall.html  has:
> vvvvv
> ...
> We strongly recommend to install into a target directory where there is no
> previous version of GCC present.
> ...
> Installation into a temporary staging area or into a chroot jail can be
> achieved with the command
> 
>       make DESTDIR=path-to-rootdir install
> 
> where path-to-rootdir is the absolute path of a directory relative to which all
> installation paths will be interpreted. Note that the directory specified by
> DESTDIR need not exist yet; it will be created if necessary.
> ^^^^^
> 
> I've recompiled (21 hours) using the --prefix parameter and compilation 
> has completed; I've run the test suite - same result as before: 6 errors.
> 
> I'm waiting for a blessing to proceed with just  "make install" in Bug 
> 42409 as I read the above strong recommendation with great deference and 
> really do not want to affect my existing GCC.

All becomes clear.

I've never come across anyone using DESTDIR=path-to-rootdir before, which
is why I've never seen this bug.  The usual way is to configure with
--prefix=path-to-rootdir followed by "make install".

I'll have a look at fixing this.

Andrew.