Irix support

Tue Jul 8 06:56:00 GMT 2003

Rainer Orth wrote:
>Tom Tromey <tromey@redhat.com> writes:
>>>>>>>>>>"Simon" == Simon <gcj@gornall.net> writes:
>>>>>>>>>>>>>>>>Simon> I was wondering what the status of gcj (or gcc) was on Irix 6.5
>>Simon> at the moment ?
>>>>I don't know, but...
>>>>>>Some of it works, but there are two problems:
>>* The long standing gcc structure passing bug on IRIX 6 (n32 and n64 ABIs)
> breaks some of libffi.
>>* There's no implementation of the libffi closures interface for MIPS.
>>See the thread starting at
>>	http://gcc.gnu.org/ml/gcc-patches/2003-05/msg01120.html
>>for details.
>>Cheers, I'll have a look :-)
>>Simon> I downloaded and attempted to compile gcc-3.3 with java (just
>>Simon> in case the gcc-docs were out of date :-) but it fails to
>>Simon> compile even the C++ compiler, triggering the error ...
>>Simon> #error BUFF_SIZE_UPPER_BOUND must be at least as large as MIN_BUFF_SIZE!
>>>>This is not a gcj problem. You'd probably get better results
>>reporting this to the main list or via bugzilla.
>>>>>>Indeed: I've never seen anything like this, and I bootstrap GCC (both
>mainline and 3.3 branch) on IRIX 6.5 regularly, most of the time with
>libgcj included.
>>Hmm. I'm not the only one to have had this happen. (see 
http://gcc.gnu.org/ml/gcc-help/2003-05/msg00134.html). I was running 
6.5.5f (I've just changed the OS to 6.5.17m, the most recent one I have 
on CD. I'm investigating the supposed free maintenance updates for 
online-developers from SGI...) I'll see if the OS change makes a difference.
Do you have the branch-name of the one that works for you ? I was using 
the 3.3 release tar file on the website, not a CVS tree.
>>In 3.1, Irix 6.5 was reported as working, but the port was disabled by
>>default due to "tricks required to get it to build". I don't remember
>>what these were, but they were posted to this list; you should be able
>>to find more information in the archives. If it worked once, it
>>shouldn't be too hard to make it work again.
>>>>>>Even simpler: this is documented in
>>	http://gcc.gnu.org/install/specific.html#mips-sgi-irix6
>> The --enable-libgcj option is disabled by default: IRIX 6 uses a very low
> default limit (20480) for the command line length. Although libtool
> contains a workaround for this problem, at least the N64 libgcj is known
> not to build despite this, running into an internal error of the native
> ld. A sure fix is to increase this limit (ncargs) to its maximum of 262144
> bytes. If you have root access, you can use the systune command to do this.
>>Yup. I'd already found this and applied the systune.
Thanks,
Simon.